Leading Associates

International tax in United States

Cleary Gottlieb Steen & Hamilton

Cleary Gottlieb Steen & Hamilton LLP’s New York office advises a diverse array of clients comprised of multinationals, financial institutions, and investment funds, on a range of transactions requiring tax structuring and planning in areas such as cryptocurrency, acquisitions, and fund formations. Handling multijurisdictional mandates, the team collaborates with non-tax departments across the firm’s international offices, as showcased in the firm’s representation of Synopsys in its $35bn acquisition of Anysys, and the securing of the $16bn financing for the transaction. The team is recognized for their uncanny ability to navigate and harmonize joint ventures across jurisdictions with vastly different regulatory and practical tax conceptions, with tax department head Meyer Fedida , leading a robust practice concerned with the tax aspects of large multijurisdictional M&A matters across private equity, media, and technology. Leslie Samuels advises on a vast array of transactions, most notably, mergers and acquisitions and foreign direct investment. On the other hand, Jason Factor  handles complex tax planning, particularly within the energy space while Susanna Parker provides advice on cross-border planning to key private equity players.

Practice head(s):

Meyer Fedida


Other key lawyers:

Leslie Samuels; Jason Factor; Susanna Parker; Kylie Barza


Testimonials

‘ The team is extraordinary, both technically and in terms of customer relations. The customer is truly put at the centre and the advice is informed and strategic.’

‘Kylie Barza and Meyer Fedida are the two partners we worked with on a cross-border M&A deal and we were very happy with their availability and their input.’

‘Well integrated top-notch practice. High technical expertise.’

Key clients

Synopsys, Inc.


Genesis


OCI N.V.


American Express


Samarco Mineração S.A.


The Walt Disney Company


Tempur Sealy International Inc.


TPG


KKR


Mexico Infrastructure Partners


T-Mobile US, Inc.


Langan Engineering, Environmental, et al.


Roquette


Ad Hoc Committee of ILAP Bondholders


Goldman Sachs


Amundi


Mubadala


Work highlights


  • Advised Synopsys, Inc. in its $35 billion acquisition of Ansys, related $16 billion financing, and business sales.
  • Advised Genesis Global Capital LLC and its affiliates on tax issues related to securing a decision from the U.S. Bankruptcy Court for the Southern District of New York.
  • Advised The Walt Disney Company in the pending $8.5 billion merger of Star India with Viacom18 to form a new joint venture with Reliance.

Cravath, Swaine & Moore LLP

Frequently sought out by multinationals across a range of industries such as energy, education, and insurance, Cravath, Swaine & Moore LLP’s New York-based tax team provides advice on cross-border transactions such as mergers, joint ventures, and acquisitions. The firm displays a high level of attunement to client needs in this practice area, as shown through its ability to navigate matters spanning multiple jurisdictions and entailing complex structuring across both tax and stock. Leading the team is Lauren Angelilli , known for her breadth of advisory offerings, but with a particular focus on designing solutions for M&A transactions, while Ronald Creamer advises multinationals and financial institutions on the cross-border tax implications of large-scale sales and acquisitions. Christopher Fargo navigates the challenge of working across differing regulatory tax landscapes, while Arvind Ravichandran handles investment and reinvestment projects with global implications in their given industries.

Practice head(s):

Lauren Angelilli


Other key lawyers:

Ronald Creamer; Christopher Fargo; Arvind Ravichandran


Key clients

Aon


Brookfield Renewable


Brookfield Reinsurance


Consolidated Communications (Special Committee)


Newcrest


Neuberger Berman


Thermo Fisher Scientific


Viatris


Vista Outdoor


WestRock


Work highlights


  • Provided tax advice to WestRockin its $20 billion combination with Smurfit Kappa, creating Smurfit WestRock.
  • Provided tax advice to Neuberger Berman in the pending $14.5 billion acquisition of Nord Anglia by a consortium comprising Neuberger Berman, EQT, CPP Investments and global institutional investors.
  • Provided tax advice to Aon in its $13 billion acquisition of NFP.

Davis Polk & Wardwell LLP

Davis Polk & Wardwell LLP’s New York team displays large-scale cross-border capabilities, providing bespoke tax advice to a diverse client base across Europe, Asia, and Latin America. The team provides a comprehensive advisory service, assisting clients at various crucial stages of a transaction, from structuring to acquisitions to investments, however, it especially stands out within the M&A space, devising inversions, spin-offs, and dual-listed corporate structures. Leading the team is David Schnabel who is recognized for his handling of a wide variety of transactions such as financings, PIPEs, and joint ventures while Michael Mollerus advises clients with industries such as life sciences, retail, and technology on tax aspects of initial public offerings, acquisitions, and financings. Kara Mungovan advises on complex transactions such as capital markets transactions and bank financings while Corey Goodman specializes in M&A, notably within the industrial sector.

Practice head(s):

David Schnabel


Other key lawyers:

Michael Mollerus; Kara Mungovan;  Corey Goodman


Key clients

Alcoa


Bain Capital


Cleveland-Cliffs


Corelle Brands


Comcast


Crestview Advisors


Digicel


Emerson


ExxonMobil


Grayscale Investments, LLC


Harvest Partners, LP


Livent (n/k/a Arcadium Lithium)


MSCI


Novo Nordisk


Roche


TPG


UBS


Uniti Group


VF


Weber


Work highlights


  • Advised Livent on the tax and corporate aspects of its $10.6 billion all-stock merger of equals with Allkem.
  • Advised Digicel in connection with the tax and corporate aspects of a $3.8 billion cross-border restructuring.
  • Advised the representatives of the underwriters in connection with the tax and corporate aspects of the $4.87 billion initial public offering of Arm Holdings plc.

DLA Piper LLP (US)

The team at DLA Piper LLP (US) is formed of tax advisors and economists who lend their expertise to assist a broad client roster consisting of key players in industries such as media, technology, and finance. The team advises on cross-border integrations, mergers, and acquisitions for start-ups and multinationals alike, and facilitates the international aspects of such restructurings including transfer pricing issues and foreign tax credits, providing comprehensive support across both transactions and planning-based tax matters. The practice is jointly led by Seattle-based tax practice head Alison Maxwell, who handles international integrations and acquisition transactions, and international tax and transfer pricing sub-practice lead Maruti Narayan  in New York, who led the team on the Warner Brothers Discovery $43bn restructuring following AT&T’s spinoff of WarnerMedia and Warner Brothers Discovery. Tuan Ngo is well-regarded for his comprehensive advisory service encompassing corporate international tax and operational structuring, as well as tax treaty issues.

Practice head(s):

Alison L. Maxwell; Maruti R. Narayan


Other key lawyers:

Tuan Ngo


Testimonials

‘The geographic reach of the DLA tax practice is rare and valuable. DLA Piper is uniquely situated to provide critical advice regarding far-flung jurisdictions, with an experienced team in the US.’

‘Both highly technical and commercial. Tremendous depth of knowledge of financial services industry and they are highly creative in developing solutions to complex issues.’

‘Diverse practice and collaborative. Their international network is also broad.’

‘The team is comprised of a strong group of individuals who have deep technical knowledge but bring practical experience as well to provide solutions that work.’

‘They are deeply technical, but also strategic and user friendly.’

‘DLA Piper has a global presence, so wherever in the world we have issues, the firm can bring on a specialist in that area of international tax to advise.’

‘Strong technical capabilities married with practical industry knowledge and approach.’

‘Always available with global capability to deliver high quality cross-country tax advice.’

Key clients

Renesas Electronics Corporation


Open Text Corporation


Veralto (Danaher Spinoff)


Genpact


FactSet Research Systems Inc.


NBC Universal LLC


Warner Bros. Discovery, Inc.


International Flavors & Fragrances, Inc. [IFF]


MKS Instruments, Inc.


Herbalife Nutrition Ltd.


Juniper Networks, Inc.


Danaher Corporation


NVIDIA Corporation


Ford Motor Company


Conair LLC


Yamaha Corporation


Coupa Software, Inc.


Yahoo!, Inc.


iTeos Therapeutics


Snowflake Inc.


Moody’s Corporation


FibroGen, Inc.


Crocs, Inc.


Sony


Xilinx, Inc.


Insmed, Inc.


Pfizer Inc.


Macquarie Holdings (USA)


Centroid Investment Partners LC / Taylor Made Golf


Zscaler, Inc.


Work highlights


  • Advising Warner Brothers Discovery, Inc. on a internal restructuring engagement following AT&T’s spinoff of Warner Media and Warner Brothers Discovery’s US $43 billion business combination created a multinational mass media and entertainment conglomerate.
  • Advising Renesas Japan on cross-border integration matters involving Japan, US and Australia.
  • Engaged to assist International Flavors & Fragrances orchestrate a carve-out transaction related to the divestiture of its pharmaceutical division, valued at around US $750 million.

Kirkland & Ellis LLP

Kirkland & Ellis LLP’s international tax practice is hallmarked with cross-border M&A, buyouts, fund formations, and restructurings. The firm’s client base consists of industry leaders across energy, private equity, and asset management. Sara Zablotney leads the New York tax office, advising on a broad range of complex transactions, focusing on tax issues arising from mergers and spin-offs. In Chicago, Mike Carew and Christine Lehman handle tax aspects of sales and acquisitions. In New York, Mark Schwed  supports asset managers with strategic investments while in Chicago, Anthony Sexton assists clients with restructuring and reorganization, particularly in the current context of cryptocurrency emergence. Also based in Chicago, Polina Liberman also handles the firm’s extensive M&A portfolio while Lee Morlock handles a range of structuring activities for Fortune 500 companies. In 2024, the team welcomed David Levy from Skadden, Arps, Slate, Meagher & Flom LLP and Elie Zolty from Schulte Roth & Zabel LLP.

Practice head(s):

Sara Zablotney


Other key lawyers:

Mike Carew; Christine Lehman; Mark Schwed; Anthony Sexton; Polina Liberman; Lee Morlock; David Levy; Elie Zolty


Key clients

Advent International


Arctos Partners


Ares Management Corporation


Bain Capital


Blackstone


Blue Owl Capital


The Carlyle Group


Castlelake L.P.


Celsius Network LLC


Civitas Resources


EQT Corporation


Global Infrastructure Partners


GTCR


Kellanova


KKR


Madison Dearborn Partners


Silver Lake


Six Flags Entertainment Corporation


Vista Equity Partners


WeWork Inc.


Work highlights


Mayer Brown

Showcasing high-end capabilities, the team at Mayer Brown provides advice concerning transfer pricing, with extensive experience handling transfer pricing structuring, and negotiating advance pricing agreements, whether those are unilateral, bilateral, or multilateral. With a client roster consisting of multinational companies and private equity clients, the team handles a range of sophisticated transactions, including cross-border mergers, capital market transactions, and fund formation. The team is led across multiple offices consisting of New York-based Jason Bazar , Brian Kittle , Lucas Giardelli , Chicago-based Thomas Kittle-Kamp, and Washington DC-based Jason Osborn . Bazar’s practice covers tax structuring related to cross-border investments within specialized areas such as technology and art, while Kittle and Kittle-Kamp handle a plethora of complex tax disputes. Giardelli has a longstanding reputation for handling tax issues concerning investment, sales, and acquisitions, while Osborn handles advance pricing agreements and is regarded as an authority in matters concerning transfer pricing. Based in the Washington DC office, Kenneth Klein continues to support multinational corporations across a variety of industries.

Practice head(s):

Jason Bazar; Brian Kittle; Thomas Kittle-Kamp; Lucas Giardelli; Jason Osborn


Other key lawyers:

Kenneth Klein


Testimonials

‘The team demonstrates a profound commitment to their clients, consistently delivering results in an efficient manner.’

‘Service and customer minded: good combination of tax technical skill and practical solutions.’

‘Lucas Giardelli recommended for overall international tax structuring.’

‘A great spread of experts across international tax – always got just the right person to help us no matter the issue. Responsiveness is “off the charts” – whenever we need someone to help us quickly with an issue, Mayer Brown is the place we turn.’

‘Their advice is always practical and risk-adjusted – they don’t just tell us what the law says but how it is applied and what the practical considerations are. Jason Bazar has incredible transactional experience and can always find his way through tricky issues.’

‘Generally very passionate and responsive. This includes being willing to take calls or answer questions at all hours, and coming back with quick answers.’

Key clients

American Express Company


Sotheby’s


Altice


ENGIE


Canadian Imperial Bank of Commerce


Abbott Labs


American Axle & Manufacturing


Keysight Technologies


Eaton Corporation


HSBC


Nestlé S.A.


Bank of Montreal


Société Générale


National Bank of Canada


Work highlights


  • Advised Sotheby’s on the tax and structuring aspects in connection with a $1 billion investment by ADQ.
  • Advised broadband company Altice on the tax and structuring aspects in the sale of its video advertising platform Teads SA, to US ad company Outbrain Inc. in an approximately $1 billion transaction.
  • Representing Abbott Labs in a U.S. Tax Court litigation case of first impression that involves a challenge to regulations issued under the global intangible low-taxed income provision of the TCJA.

Sidley Austin LLP

Sidley Austin LLP’s international tax practice advises a diverse range of clients on the tax aspects of complex, cross-border corporate transactions, including mergers and acquisitions, joint ventures, spin-offs, restructurings, and capital market offerings. The firm is supported through its two European offices, adding to the team’s experience in dealing with the tax authorities of various jurisdictions. The team is jointly led by Palo Alto-based Rachel Kleinberg, New York based Robert Kreitman and Chicago based Bridget O’Neill. Kleinberg’s practice covers the federal tax aspects of transactional matters, such as domestic and cross-border M&A and private equity transactions, spinoffs and reorganizations, as well as credit facilities. Christian Brause sits in the New York office and handles the tax aspects of M&A, REITs, private equity, and fund formation. Chicago’s Suresh Advani focuses his practice focuses on federal income tax matters, representing domestic and foreign corporations involved in mergers and acquisitions, restructurings, and securities offerings. Based in Pal Alto Idan Netser handles international corporate and partnership taxation issues, including cross border international investments, transfer pricing, foreign tax credits, and tax controversy.

Practice head(s):

Rachel D. Kleinberg; Robert M. Kreitman; Bridget R. O’Neill


Other key lawyers:

Christian Brause; Suresh Advani; Idan Netser


Key clients

AIP, LLC


Allkem Limited


Clearlake Capital Group L.P.


Coupang Corp.


Exiger Holdings, Inc.


Ryan Speciality Group, LLC


Telephone and Data Systems, Inc.


TowerBrook Capital Partners L.P.


Wafra Inc.


ZMC Management, L.L.C.


Work highlights


  • Represented Allkem Limited, headquartered in Buenos Aires, in its all-stock merger of equals with Livent Corporation.
  • Representing Telephone and Data Systems, Inc. in the US$4.4 billion sale of United States Cellular Corporation’s wireless operations and select spectrum assets to T-Mobile US, Inc.
  • Represented Clearlake in its US$4.4 billion definitive agreement, in partnership with Insight Partners, to acquire Alteryx, Inc.

Simpson Thacher & Bartlett LLP

The team at Simpson Thacher & Bartlett LLP handles tax aspects of transactions in M&A, capital markets and private funds across a diverse range of sectors including energy, video gaming, and telecommunications for a client base consisting of banks, multinational corporations, and investment funds. Co-headed by Nancy Mehlman, whose capabilities span across mergers and acquisitions, real estate transactions as well as fund formations, while Marcy Geller advises clients on tax aspects of private investment fund formation, mergers and acquisitions, and joint ventures and corporate restructurings and bankruptcies. Jonathan Goldstein provides assistance on tax matters regarding financial institutions, renewable energy transactions, and bankruptcies while Russell Light has extensive experience with debt restructurings, credit investments, and real estate transactions, and is well-regarded for representing high-profile private investment funds. Sophie Staples continues to impress across a number of offerings including mergers, acquisitions, dispositions, and securities offerings.

Practice head(s):

Marcy Geller; Nancy Mehlman


Other key lawyers:

Jonathan Goldstein; Russell Light; Sophie Staples


Key clients

Advent International Corporation


Alight


Baring Private Equity Asia


Blackstone


Braskem S.A.


Advent International Corporation


Bridgepoint Group plc


Businesssolver


The Carlyle Group


CBRE


Centerbridge Partners


CIM Group


Dorman Products


Drawbridge Realty Partners


EQT


Ferro Corporation


Garda World Security Corporation


Genstar Capital Partners


JPMorgan Chase Bank


KKR


KSL Capital Partners


Moleaer


Neuberger Berman


OneTeam Partners


Rubicon Technology Partners


Stone Point Capital


Stonepeak Infrastructure Partners


Sudamericana, Agencias Aéreas y Marítimas S.A.


TD Bank Group


Wells Fargo Bank


Advent International Corporation


Alight


Work highlights


  • Represented Blackstone and the buyer consortium formed with the Canada Pension Plan Investment Board in connection with the acquisition of AirTrunk for an implied enterprise value of US$16.1 billion.
  • Represented Johnson Controls International plc in connection with its announced agreement to sell its Residential and Light Commercial HVAC business to the Bosch Group in an all-cash transaction valued at $8.1 billion. The transaction includes the North America Ducted business and global Residential joint venture with Hitachi, Ltd, of which Johnson Controls owns 60% and Hitachi owns 40%.
  • Represented Stonepeak in connection with its acquisition of Textainer Group Holdings Limited for $50.00 per common share, representing an enterprise value of approximately $7.4 billion.

Skadden, Arps, Slate, Meagher & Flom LLP

The international tax group at Skadden, Arps, Slate, Meagher & Flom LLP advises clients on matters ranging from tax planning and tax implementation to complex transfer pricing and competent authority issues. Outside of its advisory service, the firm also represents clients in high-profile tax controversies arising from a range of complex transactions. The practice is jointly led by New York-based Victor Hollender, who advises on a wide range of international tax matters including public and private mergers and acquisitions and cross-border financings, and Palo Alto-based Emily M. Lam. Christopher Bowers is based out of Washington D.C. and assists domestic and international financial institutions on issues arising in cross-border financings and foreign tax credit planning. Washington DC-based Eric Sensenbrenner, has longstanding experience in international tax planning and is capable of assisting clients with structuring cross-border investments and capital markets transactions. Nathan Giesselman, who sits in the Palo Alto office, continues to advise private equity and entertainment industry clients on restructuring transactions and tax planning. In Boston, Moshe Spinowitz advises multinational companies in connection with cross-border mergers and acquisitions and has assisted pharmaceutical companies in relation to structuring matters. Jonathan Welbel joined the Chicago office in 2024, bringing with him extensive experience in advance pricing agreements and mutual agreement procedures between the US and foreign taxation authorities. Loren Ponds joined the team in DC in February 2025.

Practice head(s):

Victor Hollender; Emily M. Lam.


Other key lawyers:

Christopher Bowers; Eric Sensenbrenner; Nathan Giesselman; Moshe Spinowitz; Jonathan Webel; Loren Ponds


Work highlights


Weil, Gotshal & Manges LLP

Weil, Gotshal & Manges LLP assists a diverse range of clients within the asset management and private equity space, with a comprehensive range of cross-border transactions, including, M&A, securitizations, and REITs, amongst others. The U.S. team frequently collaborates with the firm’s global offices in order to create an integrated process for handling international transactions. The taxation team also continues to collaborate with the private funds group to assist on tax aspects of market entrants to the funds and private equity space. Devon Bodoh leads the team, based out of Washington D.C. and Miami, and advises on cross-border mergers, acquisitions, and spin-offs as well as foreign tax credits. New-York based Greg Featherman handles a vast array of matters in this area including bankruptcy and non-bankruptcy workouts, and the use of net operating losses.


Practice head(s):

Devon Bodoh


Other key lawyers:

Greg Featherman


Key clients

Bell Canada


British Columbia Investment Management Corporation


Brookfield Asset Management


Brookfield Business Partners


Canada Pension Plan Investment Board


Clarience Technologies, LLC


General Atlantic LLC


Genstar Capital, LLC


Glencore PLC


Howden Group Holdings Limited


ICG Strategic Equity


Iron Mountain Incorporated


The Kenan Advantage Group, Inc.


Kenan Canada


Lithium Americas Corporation


OMERS Private Equity Inc.


Ontario Teachers’ Pension Plan


Sanofi S.A.


Work highlights


  • Advising Brookfield Asset Management on the tax aspects of the final closing of its latest flagship global infrastructure fund, Brookfield Infrastructure Fund V.
  • Advising Glencore PLC, Canada Pension Plan Investment Board and British Columbia Investment Management Corporation, as the shareholders of Viterra Ltd. on the tax aspects of its approximately $18 billion pending business combination with Bunge Ltd.
  • Advising General Atlantic, on the tax aspects of its investment in the Permira and Blackstone-led take-private of Adevinta ASA, for an equity value of NOK 141 billion.

Baker McKenzie LLP

The team at Baker McKenzie LLP advises multinational companies on a wide range of international tax matters including tax planning, M&A, and post-acquisition integration, as well as other structuring matters. Based out of Washington D.C. Salim Rahim advises clients on transfer pricing matters, while New York-based Reza Nader assists with international tax planning and M&A, and Chicago-based Julia Skubis Weber advises on a variety of cross-border tax issues including foreign tax credits, and together the three aforementioned individuals lead the team. Matthew Jenner sits in the Chicago office, advising multinational companies on international reorganizations and acquisitions while Los-Angeles based Ethan Kroll provides advice on multijurisdictional restructurings, expansions, and collaborations to a client base operating across a wide range of sectors, including life sciences, consumer products, and software. John Barlow is based in Washington DC and works alongside corporate tax departments on cross-border transactions and restructurings.

Practice head(s):

Salim Rahim; Reza Nader; Julia Skubis Weber


Other key lawyers:

Matthew Jenner; Ethan Kroll; John Barlow


Key clients

Cummins Inc.


Aurelius


Olink Holding AB (publ)


Vandemoortele


Haier Smart Home


Work highlights


  • Represented Cummins Inc. in connection with the restructuring, realignment, and eventual IPO of its filtration business unit, now held by Atmus Filtration Technology Inc which was a majority-owned subsidiary of Cummins following the IPO.
  • Advised private equity investor AURELIUS on the acquisition of Dayco Propulsion Solutions.
  • Advised Olink Holding AB in its sale to Thermo Fisher Scientific in an all-cash transaction valued at approximately USD 3.1 billion.

Cadwalader, Wickersham & Taft LLP

The New York based team at Cadwalader, Wickersham & Taft LLP is prominent for its transactional work, focused on tax-free and tax-efficient M&A structures, which the firm has employed to international mergers and acquisitions, spin-offs, inversions, and Reverse Morris Trusts. The team is also well-regarded for its restructuring practice which assists debtors and creditors, as well as investors, committees, and other creditor groups, in cross-border restructurings, bankruptcy proceedings, workouts, and other distressed situations. The team is capable in handling the restructuring of foreign debt or new money investments by foreign entities, as well as ERISA issues and REMIC tax issues. Linda Swartz leads the practice and focuses her practice on structuring global mergers and acquisitions, spin-offs, joint ventures, and restructurings. Jon Brose assists managers, underwriters, issuers, and placement agents on tax issues relating to CLOs, CRTs, SRTs, and other structured finance and securitization vehicles. William Walsh is also a key contact.

Practice head(s):

Linda Swartz


Other key lawyers:

Jon Brose; William Walsh


Key clients

BNP Paribas


AlTi Tiedemann Global (“AlTi”)


A number of regional banks and Global Systemically Important Banks (GSIBs)


A leading global alternative investment manager


Integrated Whale Media Investments (“IWM”)


Multinational drink and brewing company


Barings


ATLAS SP Partners


Assured Guaranty Corp. and Assured Guaranty Municipal Corp.


AXA Investment Managers


Nearwater Capital


Work highlights


  • Represented AlTi Tiedemann Global, a publicly traded international wealth management and alternative investments corporation with approximately $68 billion in assets, in securing a strategic investment of up to $450 million in growth capital from Allianz X and Constellation Wealth Capital.
  • Assisted BNP Paribas in its $5 billion strategic financing and capital markets collaboration with ATLAS SP Partners.
  • Integrated Whale Media Investments on both the proposed $800 million sale of majority ownership in Forbes Global Media Holdings to an investor group led by Austin Russell.

Debevoise & Plimpton LLP

The New York based team at Debevoise & Plimpton LLP assists clients across a vast range of industries including private equity, banking, and media, with a diverse range of matters including complex mergers and acquisitions, spin-offs, and international transactions. Peter Schuur leads the team, focusing his practice on corporate transactions in the insurance industry, and holds significant experience advising clients on cross-border M&A transactions, joint ventures, and spin-offs. Handling a variety of corporate transactions, Peter Furci advises clients on domestic and cross-border M&A, joint ventures, and debt and equity securities offerings. Michael Bolotin advises both domestic and foreign investors on real estate joint ventures, the formation of real estate investment trusts, and other matters concerning private investment funds, while Erin Cleary assists private equity and corporate clients with M&A transactions. Lena Smith advises on cross-border transactions, particularly in the insurance industry.


Practice head(s):

Peter Schuur


Other key lawyers:

Peter Furci; Michael Bolotin; Erin Cleary; Lena Smith


Key clients

Ambac


CEO of Endeavor


Blackstone


Brookfield


Clayton, Dubilier & Rice


The Carlyle Group


Global Atlantic


Global Infrastructure Partners


International Paper


Kelso & Co.


KKR


Sawai Group Holdings


Sixth Street


StanCorp Financial Group


Sumitomo Corporation of Americas


TPG


Verizon Communications


Windstream Holdings


Work highlights


Eversheds Sutherland

The team at Eversheds Sutherland assists clients with a broad array of matters concerning the international tax aspects of complex transactions. The US team frequently collaborates with its teams across Africa, Asia, Europe, and the Middle East, providing an integrated service for clients requiring experience in cross-border tax matters such as transfer pricing and financing. Both leading the team and based out of Washington DC, Robert Chase, handles M&A and internal restructurings to achieve tax efficiency for international companies and represents clients before the IRS in administrative proceedings as well as competent authority proceedings, while Mary Monahan focuses her practice on tax accounting and income recognition issues in connection to corporate acquisitions and restructurings. Also based in Washington DC, Randy Buchanan holds significant expertise in international tax matters with global implications such as operational and supply chain planning, transfer pricing, and treaty considerations. Saren Goldner sits in the New York office and lends her expertise to insurance based tax matters including investor tax issues in US and non-US insurance companies, insurance characterization, and other insurance-specific tax issues.

Practice head(s):

Robert Chase; Mary E. Monahan


Other key lawyers:

Randy Buchanan; Saren Goldner


Key clients

Intel Corporation


Philip Morris International


Splitit Payments


Element Solutions Inc.


Kodak Alaris Holdings


Work highlights


  • Advised Intel on a definitive agreement under which funds managed by Apollo and its affiliates will invest US$11 billion to acquire from Intel a 49% equity interest in a joint venture entity related to Intel’s Fab 34.
  • Advised to Splitit in conjunction with the US tax consequences of delisting of Splitit from the Australian stock exchange, redomiciliation of Splitit to the Cayman Islands and a US$50 million fresh investment by private equity firm Motive Partners in Splitit.
  • Represented Element Solutions Inc., in the sale of its flexographic printing plate business, MacDermid Graphics Solutions, to XSYS for an enterprise value of approximately US$325 million

Freshfields

The team at Freshfields assists high-profile multinationals across a range of industries including life sciences and technology with a vast array of matters, but particularly M&A deals with critical tax elements. Based out of New York, Steven Matays leads the practice, with significant experience representing clients on a wide range of international tax matters, with a particular emphasis on mergers and acquisitions, spin-offs, and other divestitures. Based in Washington DC, Claude Stansbury advises a client roster formed of multinational companies, private equity funds, and financial advisors on cross-border acquisitions, financings, restructurings, and disposals. Stansbury also holds significant experience in advising financial institutions and large multinational clients on financial products and derivatives. Joe Soltis, based in New York, is a key contact handling both private and public M&A tax advice. Sarah Katz joined the team in 2024 from Paul, Weiss, Rifkind, Wharton & Garrison LLP.

Practice head(s):

Steven Matays


Other key lawyers:

Claude Stansbury; Joe Soltis; Sarah Katz


Key clients

Sanofi


Johnson & Johnson


Executive Chairman of Endeavor


Roivant Sciences


AstraZeneca


Special Committee of PowerSchool Holdings


Cinven


Cencora


Sonoco Products Company


Zeus Company


Japan Tobacco


Zuora


Uber Technologies


JD Sports


Special Committee of the Board of Directors of PropertyGuru


Novartis


CVC Capital Partners


Yokohama Rubber Company


TriNet


General Atlantic


Work highlights


  • Advised Sanofi on its exclusive negotiations with CD&R for the potential purchase and sale of a 50% controlling stake in Opella.
  • Advised Johnson & Johnson on the tax aspects of its $13.1bn acquisition of Shockwave Medical.
  • Advised the Executive Chairman of Endeavor, in connection with the company’s pending sale to Silver Lake. Silver Lake will acquire Endeavor at an equity value of $13 billion.

McDermott Will & Emery LLP

The team at McDermott Will & Emery LLP is well regarded for its ‘mastery and strategic planning’ in supporting clients with complex cross-border transactions and multinational tax issues requiring coordination of different tax regimes. The firm is well regarded for prioritizing the tax aspects of M&A matters and private equity transactions. Practice head Timothy Shuman, who sits in the Washington DC office, has significant expertise handling corporate and international matters across a vast range of tax advisory projects. Also in Washington DC, Michael Wilder specializes in corporate and international tax issues, including mergers and restructurings. Based in Chicago, Lowell Yoder specializes in international corporate tax planning, advising on a range of complex transactions and restructurings. Florida-based Caroline Ngo  advises multinational companies and entrepreneurs on US and international tax matters. New York-based John Lutz advises clients on tax aspects of investment funds, structured finance, and corporate mergers. In 2024, Susan Ryba, Mohsen Ghazi and Hudson Todd joined the firm.

Practice head(s):

Timothy Shuman


Other key lawyers:

Michael Wilder; Caroline Ngo; John Lutz; Lowell Yoder; Susan Ryba; Mohsen Ghazi; Hudson Todd; Michael Bruno; Greg Weigang; Frank Jackson


Testimonials

‘Working with MWE has been a game-changer for our business, combining deep expertise, proactive insights, and seamless handling of complex cross-border matters. Their use of advanced technology, commitment to collaboration made the process efficient and transparent. With a skilled and client-focused team, they’ve become a trusted partner we highly recommend.’

‘Greg Weigand, and his team stand out for their exceptional expertise, unwavering dedication, and genuine client focus. Unlike others in the field, they combine strategic insight with a deep understanding of the practical challenges we face, consistently delivering tailored solutions. Greg in particular has been invaluable, balancing technical precision with a collaborative and approachable style that inspires trust. What sets them apart is their ability to anticipate needs and navigate complexities with confidence, making them trusted partners who truly go above and beyond.’

‘A practice comprised of mastery and strategic planning.’

‘Michael Bruno is at the top of his field. His ability to understand our needs and provide actionable insights and advice is extremely valuable. ’

‘Frank Jackson is one of the best tax controversy lawyers in the country. He is thoughtful, focused, and creative. He is masterful at bringing matters to a favorable resolution without trial.’

Key clients

3M


Cordis


Credit Suisse


Ermenegildo Zegna N.V.


H.I.G. Capital


Illinois Tool Works Inc. (ITW)


JAB Holding Company


Keurig Dr Pepper Inc. (KDP)


Main Capital Partners


PepsiCo


PGA TOUR


Robert Bosch GmbH


Work highlights


  • Advise Ermenegildo Zegna N.V. on post-acquisition integration and restructuring following its purchase of Tom Ford International LLC.
  • Advised PGA TOUR on international tax issues in negotiations with Saudi Arabia’s Public Investment Fund for a potential multibillion-dollar cross-border investment.
  • Advised Aon Plc on tax and regulatory matters in significant cross-border insurance transactions, including its $13.4 billion acquisition of NFP across the US and UK.

Paul Hastings LLP

Paul Hastings LLP handles complex tax matters focusing on transactions surrounding capital markets, M&A, and securitization and are capable of providing advice on treaty and investment related matters. In New York, practice head Joseph Opich covers a wide range tax issues, across securitization and structured finance, capital markets, and real estate funds, while Gary Silber represents clients in a wide range of tax matters in relation to corporate transactions, partnerships, and joint ventures, as well as focussing his practice on global tax matters related to bankruptcies and taxable and tax-free mergers and acquisitions. Ziemowit Smulkowski, who is located in Chicago, is adept at handling tax aspects of transactions including acquisitions and dispositions of businesses for both financial and strategic investors and cross-border investments. In the San Francisco office, Lucas Rachuba focuses his active practice on private equity, credit, and venture capital transaction practice towards his impressive client roster of private equity firms, portfolio companies, and boards of directors. Joining the team in 2024 are Alex Farr from McDermott Will & Emery LLP and Daniel Nicholas from Weil, Gotshal & Manges LLP.

 

Practice head(s):

Joseph Opich


Other key lawyers:

Gary Silber; Ziemowit Smulkowski; Lucas Rachuba


Key clients

Francisco Partners and TPG


Goldman Sachs Group, Inc.


An ad hoc group of secured lenders and secured noteholders


STG


Official Committee of Unsecured Creditors of FTX


Carlyle and Goldman Sachs


Pemberton Asset Management


Related Funds Management


BLU Logistics


Hanwha Systems and Hanwha Ocean


Prudential Financial, Inc.


Ad Hoc Group of Output Services Group (“OSG”) First Lien Lenders


Barclays Capital Inc., RBC Capital Markets, LLC, Wells Fargo Securities, LLC


Marubeni Corporation


Madison Industries


H.I.G. Capital


OpenGate Capital


Work highlights


  • Advised Francisco Partners and TPG in the take-private of New Relic. The all-cash transaction values New Relic at an equity valuation of approximately US$6.5 billion.
  • Advised Goldman Sachs Group, Inc. in Thoma Bravo LP’s US$5.3 billion all-cash acquisition of UK-based AI cybersecurity company Darktrace plc. With the completion of the transaction, Darktrace will become a privately held company.
  • Advised an ad hoc group of secured lenders and secured noteholders holding more than US$1 billion of debt of Digicel International Finance Limited in connection with the comprehensive restructuring of the Digicel Group’s US$4.4 billion capital structure.

Paul, Weiss, Rifkind, Wharton & Garrison LLP

The international tax team at Paul, Weiss, Rifkind, Wharton & Garrison LLP handles a vast array of transactions concerning securitization, IPOs, and restructuring, for a client roster consisting of Fortune 100 companies, investment firms and financial institutions. The New York-based practice is co-led by Jeffrey Samuels, Brad Okun, Scott Sontag , and Lindsay Parks. Samuels covers a complex range of international transactions including public and private M&As, spin-offs, and joint ventures while Okun has significant experience with cross-border investing and handling tax aspects of restructurings for a variety of company models. With a strong breadth of practice, Sontag’s practice ranges across structuring merger and acquisition and restructuring transactions for public companies and advising clients on transactions involving the formation and acquisition of real estate investment trusts while Parks counsels investment funds as on the structuring of international transactions, including mergers and acquisitions, carve-outs, and complex debt and equity offerings. Alongside his offering of advice concerning M&A and financing arrangements, Reuven Garrett also lends his expertise to cross-border transactions, spin-offs, and tax-free reorganizations. Brian Krause is well-regarded for his work on cross-border transactions, focusing his practice on post-acquisition integration transactions, internal restructurings, and the establishment of private equity fund and hedge fund structures. Robert Killip handles public and private company M&A as well as debt and equity offerings.


Practice head(s):

Jeffrey Samuels; Brad Okun; Scott Sontag; Lindsay Parks


Other key lawyers:

Reuven Garrett; Brian Krause; Robert Killip


Testimonials

‘Deep legal and industry experience in private equity and alternative investment management. Creative and practical thinkers and very responsive as a team. ’

‘Quality of work in delivering on structuring a range of complex transactions and funds. Communication related tax regulations and impacts in a way internal team can understand more easily. Lindsay Parks, in particular, is terrific.’

Work highlights


Proskauer Rose LLP

Proskauer Rose LLP advises on complex cross-border structuring issues such as withholding tax, permanent establishment risks, and transfer pricing. The firm has a robust mergers and acquisitions offering in which it regularly advises on multiple jurisdictional and pricing issues. Team lead Amanda Nussbaum, sits in the New York office and assists international clients with both taxable and tax-free mergers and acquisitions, real estate transactions, and capital markets offerings. New York-based David Miller focuses his broad practice on the taxation of financial instruments and derivatives, cross-border lending, and international mergers and acquisitions while Martin Hamilton handles international mergers and acquisitions, cross-border investments, and structured financing arrangements for a client roster consisting of private equity funds, commercial and investment banks, and insurance companies. In Los Angeles, Robert Friedman’s practice covers public and private mergers, acquisitions, joint ventures, and electric and gas utility tax issues. In Boston, Stephen Severo represents corporate, private equity and investment fund clients in connection with all tax-related aspects of investments, debt restructurings, and securities issuances.

Practice head(s):

Amanda Nussbaum


Other key lawyers:

David Miller; Martin Hamilton; Robert Friedman; Stephen Severo


Testimonials

‘Amanda Nussbaum is by far the top tax lawyer we have ever worked with, across sectors. Her knowledge and ability to communicate and educate tax matters, complex and conventional, is unparalleled. Select your favorite superlative, and that would be the word we would best use to describe the Proskauer tax team.’

‘The entire team is exceptionally talented. However, Amanda Nussbaum differentiates Proskauer from all other tax groups we have ever worked with.’

 

Key clients

Adams Street Funds


Atomico


Ridgemont Equity Partners


Lumina Capital Management


Vantage Data Centers


Lexington Partners


StepStone Group Inc.


Hollyport Capital


PineBridge Investments


Sports Content Creation LLC dba X Games


DARAG Group


Grifols S.A.


Arkema


Continuation Fund Advisory – Apollo S3, Palladium Equity Partners, RockPort Capital Partners, Neuberger Berman


Blackstone Strategic Partners


OpSec


Stellex Capital Management


Work highlights


  • Advised Atomico, a European venture capital firm, on the closing of funds Atomico Growth VI and Atomico Venture VI. Atomico’s dual-fund strategy closed with $1.24 billion in commitments.
  • Advised Arkema in its agreement to acquire Dow’s flexible packaging laminating adhesives business.
  • Advised Vantage Data Centers, in the closing of its $9.2 billion equity investment led by investment vehicles managed by DigitalBridge Group, Inc. and Silver Lake.

Wachtell, Lipton, Rosen & Katz

Based in New York, the team at Wachtell, Lipton, Rosen & Katz is well-regarded for advising clients across a vast range of sectors including technology, energy and finance, on the tax aspects of corporate transactions. The firm’s international taxation portfolio includes mergers and acquisitions, spin-offs and other divestitures, joint ventures, financings and financial instruments, and restructurings. Jodi Schwartz focuses her practice on cross-border transactions including mergers and acquisitions, joint ventures, spin-offs and financial instruments, in a wide range of sectors, particularly technology. Deborah Paul advises on tax aspects of cross-border transactions, including strategic acquisitions and private equity buyouts in a wide array of industries. Eiko Stange  routinely advises on cross-border transactions in a diverse spectrum of industries, including telecoms, tech, and pharma.

Practice head(s):

Jodi Schwartz


Other key lawyers:

Deborah Paul; Eiko Stange


Work highlights


  • Represented T-Mobile US as it announced the establishment of a joint venture with KKR to acquire Metronet.
  • Representing ConocoPhillips in its pending acquisition of Marathon Oil. The all-stock transaction, which ascribes an enterprise value of $22.5 billion to Marathon Oil.
  • Representing Jacobs Solutions in a complex Reverse Morris Trust transaction to spin-off and combine its Critical Mission Solutions and Cyber & Intelligence businesses with Amentum, a privately held company. The RMT will create a new publicly-traded company

A&O Shearman

The team at A&O Shearman assists global corporate clients and financial institutions with a vast array of matters including strategic tax planning and complex transactions. The firm also shows considerable experience handling tax efficiency in investment and operating structures for multinationals. Based out of New York and Menlo Park, Larry Crouch leads the team, with significant experience advising private equity clients in aspects of domestic and international tax planning including mergers and acquisitions, capital markets, and joint ventures. New York-based Jack Heinberg holds significant expertise in fund investments and focuses his practice on domestic and international tax planning, the taxation of financial instruments and derivatives, as well as cross-border financing, while Derek Kershaw advises clients on tax aspects of M&A, spin-offs, and joint ventures. Also based in New York, Dave Lewis has significant experience assisting clients with corporate mergers and acquisitions, private equity transactions, and global capital markets transactions.


Practice head(s):

Larry Crouch


Other key lawyers:

Jack Heinberg; Derek Hershaw; Dave Lewis


Key clients

Dow, Inc.


Genmab A/S


Taro Pharmaceuticals


Mubadala Investment Company PJSC


Carbon Engineering Ltd.


Celanese Corporation


JDE Peet’s


Ajinomoto Co. Inc.


Strategic Sports Group


Shionogi


Exponent


Liberty Global Ltd.


BioNTech


Work highlights


  • Advised Dow, Inc., on tax aspects of the structuring of a joint venture holding infrastructure assets and the sale of a minority stake in this joint venture to Macquarie Asset Management.
  • Advised Genmab A/S, an international biotechnology company based in Copenhagen, Denmark, on its acquisition of ProfoundBio.
  • Advised Celanese Corporation in its agreement to sell 70% of its food ingredients business to Mitsui & Co. for $472.5 million.

BakerHostetler

Primarily operating from Washington DC, BakerHostetler‘s team employs a multidisciplinary approach to its international tax practice, collaborating on matters concerning practice areas such as intellectual property, corporate law, and international trade. The firm’s offering provides a broad range of coverage including cross-border mergers, spin-offs, and international joint ventures; as well as foreign tax credits, profit repatriations, and entity classification. The team is also well-versed in devising and implementing specialized planning involving transfer pricing such as supply-chain relocations and nearshoring transactions. Practice head Brian Davis concentrates his practice on cross-border M&A, restructuring, and financing transactions, and he is well-versed in issues pertaining to transfer pricing, permanent establishments, and investment treaties. Paul Schmidt focuses on technical elements of international taxation, advising on technical and policy issues in relation to transfer pricing, treaties, permanent establishments, foreign tax credits, and inversions while Jeffrey Paravano advises on the tax aspects of structuring of acquisitions, as well as tax planning, as well as handling tax controversies, investigations, and litigation.

 

Practice head(s):

Brian Davis


Other key lawyers:

Paul Schmidt; Jeffrey Paravano


Baker Botts L.L.P.

Baker Botts L.L.P. specializes in advising on energy-related tax issues, assisting clients with obtaining tax incentives concerning, clean energy transactions and projects and energy technology transactions, and outside of energy the team shows capabilities in connection with all manner of M&A and capital markets transactions, including investments in projects, joint ventures, mergers, and spin-offs. The tax team is co-headed by Steve Marcus and Derek Green. Green, sits in Houston and advises on cross-border transactions, mergers and acquisitions, international joint ventures and securities offerings. Jon Lobb regularly advises multinational companies in the energy and telecommunications sectors focusing on on maximizing the tax efficiency of cross-border investment structures and transactions. Joining the firm from Baker McKenzie LLP, Jason Graham handles international transactions related to mergers, acquisitions, joint ventures, dispositions, and reorganizations.

Practice head(s):

Steve Marcus; Derek Green


Other key lawyers:

Jon Lobb; Jason Graham


Work highlights


  • Advised Liberty Latin America on their transaction with Millicom International Cellular S.A. The transaction targets greater investment in fiber networks.
  • Provided tax advice to Liberty Media Corporation during the acquisition of Dorna Sports, S.L., the exclusive commercial rights holder to the MotoGP World Championship, from Bridgepoint and Canada Pension Plan Investment Board.

Curtis, Mallet-Prevost, Colt & Mosle LLP

The team at Curtis, Mallet-Prevost, Colt & Mosle LLP assists a roster of US and international clients across a diverse range of industries including financial services, asset management, and energy on tax aspects of transactions. Marco Blanco and Klas Holm  jointly lead the practice, with Blanco possessing deep knowledge of the tax systems in the Middle East and Europe, across a broad range international tax matters, including corporate mergers and acquisitions, reorganizations, joint ventures, and capital market offerings, while Holm represents a wide range of clients, including corporations, trusts, and sovereign wealth funds in complex tax matters relating to mergers and acquisitions, cross-border transactions, and global tax planning. Olga Beloded‘s wide practice enables her to routinely advise governments and state-owned entities on international tax issues in investor-state arbitration proceedings and other international disputes, as well as domestic and foreign corporations on aspects arising in connection with cross-border transactions, mergers and acquisitions and public and private securities offerings. All lawyers mentioned are in New York.

Practice head(s):

Marco Blanco; Klas Holm


Other key lawyers:

Olga Beloded


Key clients

Brevet Capital Management


Kuwait Projects Company (Holding)


Evonik


Unipharm


Libyan Investment Authority (L.I.A.)


Marymount International School of Paris


Islamic Development Bank


Work highlights


  • Acted as counsel for Islamic Development Bank in a series of U.S. istisna’a financing transactions and murabaha property acquisition financings in the United States.
  • Advised Evonik Corporation on a broad range of tax matters, including most recently on a significant post-acquisition restructuring of a US$600 million+ acquisition.
  • Acted as outside tax counsel to Brevet, a large global investment fund manager.

Dentons

Dentons assists US and foreign investors with a diverse range of matters in international investments from the form and structure of an investment fund to establishing the most tax-efficient structure for particular foreign acquisitions. On the regulatory side, the team assists with US withholding and reporting rules, such as the Foreign Account Tax Compliance Act as well as transfer pricing compliance. Washington DC based John Harrington leads  the practice, advises clients on inbound and outbound transactional and compliance issues while San Francisco-based Linda Pfatteicher’s practice covers global transfer pricing strategy, supply chain restructurings, and  cross-border mergers and acquisitions. New York-based Rich Williams advises on domestic and international mergers, acquisitions and dispositions and public and private financings, while Pittsburgh-based Frank Marano handles international investments, divestitures, and corporate restructurings.

Practice head(s):

John Harrington


Other key lawyers:

Linda Pfatteicher; Rich Williams; Frank Marano


Testimonials

‘Linda Pfatteicher is a pleasure to work with— highly practical and incredibly responsive.’

Work highlights


  • Represented the owners of Meopta, a Czech optics maker company, in connection with the sale of the company to Carlyle Group.
  • Advised Starton Therapeutics Inc. in connection to Healthwell Acquisition Corp. who are both combining to create publicly traded company in propriety continuous delivery technology for cancer treatments.
  • Provided tax advice to Pen-Link, in connection with Cobwebs Technologies LTD, an Israeli web intelligence company, in a transaction valued at approximately $250 million.

Hogan Lovells US LLP

With strong cross-border capabilities, the team at Hogan Lovells US LLP assists clients across a vast range of sectors including aerospace and defense, private capital and insurance on matters involving M&A, IPOs, spin-offs, international tax structuring and cross-border transactions. The department is led by Josh Scala who sits in the San Francisco office. In Washington DC, Cristina Arumi focuses her practice on the tax aspects of capital markets and M&A transactions and specializes in matters involving REITs including compliance with tax protection agreements in the course of subsequent transactions and refinancings. Jasper Howard primarily advises on tax aspects of transactions including mergers and acquisitions, domestic and international joint ventures; the structuring of inbound and outbound investments; and other cross-border transactions. In Boston, Nicola Lemay advises clients on international mergers and acquisitions, restructurings, capital raising and deployment strategies while also representing clients in the development and financing of renewable energy projects, including the structuring of tax credit transactions. Mark Weinstein assists sports, media, and entertainment conglomerates with tax-efficient strategies and structures to assists in complex multijurisdictional tax issues. In Washington DC Caitlin Piper specializes in advising on the tax consequences of mergers and acquisitions and reorganizations, particularly real estate investment trusts are involved.

Practice head(s):

Josh Scala


Other key lawyers:

Cristina Arumi; Jasper Howard; Nicola Lemay; Mark Weinstein; Caitlin Piper;  Chasse Osborn; Jessica Millet


Testimonials

‘The entire Hogan Lovells team have been working seamlessly and very responsive to our needs. They communicate concisely, efficiently, effectively and timely manner.’

‘Nicola Lemay and Chasse Osborn who we work closely have demonstrated very exceptional technical tax knowledge as well as great communication skills. Their ability to explain complex tax issues into practical applications and situations to non-tax management and executives is impressive. It is very rare to have tax lawyers who are technically sound but can also give practical and sound advice.’

‘The mix of expertise including commercial and tax experts as well as people that have worked for the tax authorities.’

‘The Hogan tax team does a great job advising us on tax matters related to M&A transactions. They are very responsive, technical and creative when it comes to challenging tax issues. ’

‘I regularly work with Jasper Howard, Jessica Millett and Stephen Weinstein and they are a great team. As noted above, they are very responsive, technical and creative when it comes to challenging tax issues. They each are very strong yet they also each have their own areas of expertise so they are a great team together and do a nice job advising us.’

Key clients

Intel Corporation


Kreditanstalt für Wiederaufbau (KfW)


HDI International / Talanx Group


Salesforce


Akamai Technologies, Inc.


W.P. Carey


Collegium Pharmaceutical, Inc.


Mitsubishi Corporation


Partners for Growth Managers, LLC


C2X


Autodesk


CommvaultSystems, Inc.


Airbus


Work highlights


  • Advised multinational semiconductor company Intel Corporation on the cross-border sale of interests in its IMS Nanofabrication GmbH to Bain Capital and Jeol Ltd.
  • Advised Kreditanstalt für Wiederaufbau, a German state-owned investment and development bank, on its US$3 billion SEC registered public offering.
  • Advised HDI International AG, on the pending approximately US$1.48 billion acquisition of Liberty Mutual’s personal and small commercial insurance businesses in Brazil, Chile, Colombia, and Ecuador.

Holland & Knight LLP

Holland & Knight LLP’s broad international tax practice covers aspects of foreign tax planning, structuring, compliance, audits and litigation, across a vast range of industries including energy, software, and technology. William Sherman, Stewart Kasner, William Sharp, and Kevin Packman all jointly lead the team out of Florida, with Sharp also sitting in Georgia and California. Sherman focuses his practice on tax planning for mergers and acquisitions, restructurings, joint ventures, as well as investments for clients in diverse industries, including hospitality, petrochemicals, and pharmaceuticals Kasner focuses on high-net-worth foreign and domestic clients who require assistance with cross-border investments. Sharp regularly acts as lead counsel in offshore compliance matters and  tax litigation and he also represents financial institutions on international tax enforcement and compliance initiatives. Packman’s practice includes advising high-net-worth private clients with tax, trusts and estates. Mark Melton, who is based in Dallas, represents a diverse range of clients in mergers and acquisitions,  as well as inbound and outbound cross-border investments.

Practice head(s):

William Sherman; William Sharp; Stewart Kasner; Kevin Packman


Other key lawyers:

Mark Melton


Testimonials

‘They provide best in class international tax advice but also have national coverage where needed.’

‘Kevin Packman is knowledgeable and experienced on international tax controversy and a great strategic mind. Stewart Kasner is incredibly technical and an encyclopaedic knowledge of the foreign trust rules.

Key clients

ExxonMobil Corp.


National Foreign Trade Council


Software company


GE Vernova


Work highlights


  • Won refunds for ExxonMobil Corp. in trial over Qatar partnership.
  • Negotiated joint venture agreement for GE Vernova.
  • Designed tax-free restructuring for a software company.

Reed Smith LLP

Reed Smith LLP handles the structuring and negotiation of complex cross-border transactions assisting clients with tax efficiency and regulatory compliance on multi-jurisdictional matters concerning tax-efficient entity formation, structuring of equity and asset sales, and post-transaction integration. The team’s co-leaders are New York-based James Tandler and Angelo Ciavarella, who both have expertise in M&A and divestitures including tax-free spin-offs, restructurings, and joint ventures. In Houston, Ron Scharnberg expertise revolves around federal and cross-border tax planning for both publicly traded and privately held companies while Robert Phillpott‘s practice encompasses a broad assortment of business taxation, including mergers and acquistions, joint ventures and restructurings.

 

Practice head(s):

James Tandler; Angelo Ciavarella


Other key lawyers:

Ron Scharnberg; Robert Phillpott


Testimonials

‘The Reed Smith International Tax Practice team is both excellent technically and very practical when it comes to client matters. I’d rank them among the best international tax advisers for transactional matters.’

‘Angelo Ciavarella is an excellent international tax practitioner. He knows the panoply of US international tax rules and understands how they interact with non-US tax rules. I value his technical but practical advice.’

‘Navigating tax law is tough enough, and layering on international relationships from multiple countries amplifies the complexity. It’s incredibly important to have a team to help you navigate those challenges.’

Work highlights


Vinson & Elkins LLP

Vinson & Elkins LLP represents a vast array of domestic and foreign clients across a broad range of industries including energy, finance, technology, and real estate in transactional matters ranging from structuring inbound and outbound investments, advising on US or UK tax aspects of cross-border transactions. Additionally the firm provides a robust international tax planning practice advising formations of new financing and ownership structures, cross-border mergers and acquisitions and transfer pricing planning and implementation. The team is co-headed by Dallas-based David Peck  and Houston-based Ryan Carney who both advise on transactions and structuring matters including M&A, and investments. In Dallas, Natan Leyva advises borrowers and lenders on the tax aspects of domestic and cross-border financing transactions.

 

Practice head(s):

David Peck; Ryan Carney


Other key lawyers:

Natan Leyva


Testimonials

‘The team has deep knowledge in structuring investments for investment funds pursuing complex strategies.’

Key clients

Halliburton Company


Chord Energy Corporation


Affiliates of Riverstone Holdings


CSI Compressco


Nabors Energy Transition Corporation


Macquarie Infrastructure Partners


Stronghold Digital Mining, Inc.


Sumitomo Forestry America, Inc.


Funds managed by Apollo Global Management


SCF Partners


Agriculture & Natural Solutions Acquisition Corporation


Work highlights


  • Representing Halliburton in a federal income tax refund case against the IRS involving the deductibility of a payment made by Halliburton Energy Services to the Government of Nigeria.
  • Advised Chord Energy in its $11 billion merger with Canadian-based Enerplus Corporation in a stock and cash transaction.
  • Represented affiliates of Riverstone Holdings LLC in the C$2.55 billion acquisition of Canadian-based Hammerhead Energy by Crescent Point Energy.

Fenwick & West LLP

Fenwick & West LLP‘s Silicon Valley-based team focuses its practice on technology driven matters, notably  international tax planning and structuring for multijurisdictional clients. Larissa Neumann leads the practice with a focus on strategic advice on tax structuring, resolving tax disputes, and negotiating favorable tax transactions. David Forst advises clients on matters concerning international corporate taxation, and has specialist knowledge of cryptocurrency.  William Skinner assists with a broad range of matters including foreign tax credits, transfer pricing, tax treaties, and international restructurings and M&A. Mike Knobler’s practice focuses on international corporate and partnership tax planning, M&A issues, and controversies. Julia Ushakova-Stein holds specialist knowledge of international tax planning and controversy, M&A, and transfer pricing as well as foreign tax credits.

Practice head(s):

Larissa Neumann


Other key lawyers:

David Forst; William Skinner; Mike Knobler; Julia Ushakova-Stein


Key clients

Chinook Therapeutics, Inc.


Cisco Systems, Inc.


Databricks


Escient Pharmaceuticals


Gitlab, Inc.


Meta Platforms, Inc.


Paramount Global (formerly ViacomCBS)


Squarespace


The Estee Lauder Companies


Univision


Wonder Dynamics


Work highlights


  • Representing Meta on a range of international tax planning, compliance, and tax controversy work.
  • Acted as Univision’s primary international tax counsel, advising the company on all significant transactions including Advance Pricing Agreement and controversy.
  • Acted as tax counsel to The Estee Lauder Companies in matters concerning transfer pricing.

Linklaters LLP

The New York based team at Linklaters LLP, assists a diverse range of clients across a wide range of industries including private equity, energy, and capital markets. Max Levine leads the team, advising a client roster of corporate, private equity and investment fund clients on a variety of domestic and international transactions involving cross-border financings, mergers and acquisitions, and corporate joint ventures. Gabriel Grossman has extensive experience in handling structuring issues arising from debt investments, risk transfer transactions, and tax-credit investments while Michelle Lo specializes in advising clients on cross-border corporate tax issues, including tax free reorganizations and spin offs as well as taxable acquisitions and dispositions. Amanda Gabai assists fund sponsors on fund formation, restructurings, and financings.

Practice head(s):

Max Levine


Other key lawyers:

Gabriel Grossman; Michelle Lo; Amanda Gabai


Key clients

Aermont Capital LLP


Ameriprise Financial


Barings


Centerbridge Partners


Citi


Digital Bridge Group Inc.


DRA Advisors LLC


Elia


Eni


Getir


Goldman Sachs


HODL Capital


Innovation X Advisors


Kohlberg Kravis Roberts & Co. L.P. (KKR)


Macquarie


Ontario Teachers’ Pension Plan


Partners Group


Qualitas Energy


QIC


SMBC


SoftBank


Tate & Lyle PLC


Unilever PLC


Work highlights


  • Providing ongoing advice to DRA Advisors LLC on a broad range of U.S.-based investment vehicles.
  • Acted for QIC on the establishment of QIC Infrastructure Debt Fund II.
  • Advising Elia Group on an acquisition, through its wholly owned subsidiary WindGrid USA LLC, of a 35.1% stake in energyRe Giga Projects.

Miller & Chevalier Chartered

Based in Washington DC, the team at Miller & Chevalier Chartered provides a comprehensive international tax offering covering the full business cycle of cross-border operations – from acquisition or start-up, to restructuring and tax optimization, to termination or disposition. The team is well-versed in issues based around financing transactions, technology transfers, and mergers and acquisitions. On the regulatory side, the firm advises companies, trade organizations, and governments on international tax policy matters including those related to the BEPS project. Leading the team, Layla Asali advises US-based and foreign-based clients on international tax issues, including mergers and acquisitions and financings. Rocco Femia focuses his practice on representing U.S.- and foreign-based multinational enterprises across multiple industries in projects typically involving  technical US international tax issues, tax treaty, and transfer pricing issues. Loren Ponds departed the team in February 2025.

Practice head(s):

Layla Asali


Other key lawyers:

Rocco Femia


Key clients

Netflix, Inc.


T-Mobile US, Inc.


McDonald’s Corporation


Semiconductor Industry Association


Garmin Ltd.


National Foreign Trade Council


Delek US Holdings, Inc.


Valero Energy Corporation


Padre Time LLC


Work highlights


Morrison Foerster

The team at Morrison Foerster handles tax matters encompassing multijurisdictional transactions, offshore activities, international tax treaties. New York based practice head Anthony Carbone, advises a client roster consisting of private equity funds, investment and commercial banks, and hedge funds on tax aspects of mergers and acquisitions, fund formation, and leveraged buyouts. Los-Angeles based Dave Sturgeon handles matters across a vast array of industry sectors including tech, financial services, advising on the tax aspects of cross-border M&A, restructurings, and investments. Bernie Pistillo  is based in San Francisco and handles restructurings and transfer pricing issues. Richard Nugent joined the team in April 2025 from Jones Day, and now chairs the global tax practice.


Practice head(s):

Anthony Carbone; Richard Nugent


Other key lawyers:

Dave Sturgeon; Bernie Pistillo


Key clients

ACT


AgroFresh


Alpine Investors


ARM Holdings


Autodesk


BlackBerry


Cartica Acquisition Corp.


DevvStream Holdings


eBay


Elvaston Capital


GeoComply


KISS Holdings


Moving & Storage Company


Nikon


Palladium Equity Partners


Rivian Automotive


SellerX Germany GmbH


SoftBank Group Corp.


Uber Technologies


Unity Technologies


Visa


Vontier


Work highlights


  • Advised Rivian on the multi-jurisdictional implications of its international joint venture with Volkswagen.
  • Advised Cartica Acquisition Corp on the tax aspects of its approximately $2.75 billion business combination with Nidar Infrastructure Limited.
  • Advised the rock band KISS on the tax aspects in its sale of assets to the Swedish company Pophouse Entertainment Group.

Steptoe LLP

Led by Beth Tractenberg , Steptoe LLP‘s Washington DC-based team has extensive experience across a range of issues, including tax policy, energy tax credits, as well as novel issues concerning blockchain and cryptocurrency taxation. The team also handles structuring matters for corporate clients. Phil West’s broad practice encompasses international tax issues including tax controversies and competent authority proceedings, as well as cross-border tax planning, tax treaties, foreign tax credits, and transfer pricing. Lisa Zarlenga  advises clients on federal income taxation issues, with a focus on tax policy issues with respect to tax legislation and Treasury guidance, as well as on corporate transactional and planning matters. Amanda Pedvin Varma regularly advises on the US tax consequences of cross-border investments, business restructurings, and supply chain issues, her practice also includes representing clients before the Internal Revenue Service in obtaining private letter rulings.

Practice head(s):

Beth Tractenberg


Other key lawyers:

Lisa Zarlenga; Amanda Pedvin Varma; Jasmine Campirides


Testimonials

‘Beth D. Tractenberg is learned, careful, thorough and communicates complex concepts with concise clarity.’

‘The firm has the strongest people in the field in International Tax. The attorneys’ unique capabilities make the firm an absolute leader. They are technical, knowledgeable, superb communicators, extremely commercial, responsive, and user-friendly.’

‘ I work with Beth D. Tractenberg and her Senior Associate, Jasmine Campirides, regularly when we encounter international tax issues in our practice. Beth and Jasmine provide us with prompt, thoughtful, complete responses and solutions to these tax issues.’

Key clients

Multiple confidential clients


Proof Acquisition Corp


Work highlights


Sullivan & Worcester LLP

Based in Boston, Sullivan & Worcester LLP broad practice encompasses assisting clients with matters concerning U.S. and non-US tax rules, double-taxation treaties, and developing tax-risk mitigation strategies for businesses engaging in cross-border transactions. The firm handles cross-border M&A transactions, financings,  and joint ventures and advises on international tax initiatives. Practice head Douglas Stransky assists US-based clients investing in foreign jurisdictions and possesses capabilities in handling tax implications of multijurisdictional cryptocurrency and fintech-related matters. Lewis Greenwald advises on US and international tax planning, tax compliance and controversy, and transfer pricing issues while Eric Rietveld concentrates his practice on the tax planning of REITs and real estate funds.

Practice head(s):

Douglas Stransky


Other key lawyers:

Lewis Greenwald; Eric Rietveld


Testimonials

‘This practice is distinguished by its solid expertise in international tax law and practical approach to addressing complex issues. The team is efficient, responsive, and approachable, offering tailored solutions that address clients’ needs effectively.’

‘The individuals I’ve worked with, particularly Douglas Stransky, stand out for their cordiality and extensive expertise in the field. He consistently demonstrates a deep understanding of international tax matters and always strives to achieve optimal outcomes for clients.’

‘They are highly knowledgeable. A pleasure to work with and make themselves readily available for myself and the client.’

Key clients

The Broadstone Group LLC


Iron Mountain Incorporated


Equinix, Inc.


Lionbridge Technologies, Inc.


Altra Industrial Motion


E Ink Corporation


Standex International


DarioHealth Corp.


International Transportation Marine Office, LLC


Work highlights


  • Advised the Broadstone Group on both corporate and individual tax issues in multiple countries that have to be balanced, coordinated and analyzed to ensure the most tax efficient results.

Karlin & Peebles

The Los Angeles-based team at Karlin & Peebles handles matters concerning international tax planning assisting clients on estate planning, and charitable giving both on the familial and business side. Michael Karlin, Cynthia Brittain and  Maria-Soledad Otero jointly lead the practice with Karlin advising high-net-worth  US and foreign individuals and families from on tax aspects of investment and moving abroad or to the US, whilst Brittain assists multinational families with matters concerning cross-border income and estate tax planning strategies. Otero advises individuals and families with cross-border businesses and investments as well as with corporate clients seeking to optimize their tax efficiency on repatriation of earnings to the US and transfer pricing analyses.

Practice head(s):

Michael Karlin; Cynthia Brittain; Maria Otero


Testimonials

‘Maria Soledad Otero is an outstanding lawyer. She has significant experience in international tax and estate planning matters, with in-depth knowledge of legal and tax issues for private clients in a US-France context.’

‘Michael Karlin is extremely knowledgeable on cross border tax issues – especially between Canada and the US. Maria-Soledad Otero is also a very knowledgeable lawyer.’

‘Karlin Peebles stands out due to its distinctive combination of expert legal knowledge, personalized client service, and forward-thinking approach to law practice. It prioritizes clients’ needs, building close, long-lasting relationships based on trust.’

Work highlights


  • Advised on cross-border estate planning matters with over 50 companies located in PRC, 2 BVI companies, and 1 Hong Kong listed company.
  • Advised on foreign estate administration matters involving multiple jurisdictions and corporate assets and underlying real estate; domestication of foreign corporations with related S elections; sophisticated tax implications trigger section 362 planning with inbound corporations.
  • Litigated on a matter involving a foreign trust holding a foreign private charitable foundation.

Troutman Pepper Locke LLP

Led by Joan Arnold, the team at Troutman Pepper Locke LLP assists public and private companies with their day-to-day tax planning and business transactions. Morgan Klinzing advises clients on mergers, acquisitions, and reorganizations, as well as the tax aspects of investments while Thomas Gray focuses his practice on corporate transactions, restructuring, and equity and debt financings. Thomas Phelan has experience with the tax aspects of corporate finance transactions and financial instruments.

Practice head(s):

Joan Arnold


Other key lawyers:

Morgan Klinzing; Thomas Gray; Thomas Phelan


Key clients

Littlejohn & Co. LLC


American Tire Distributors, Inc.


NearU Services


SSI Diagnostica Group


Apax Partners LLP


Work highlights


Withers LLP

Withers LLP utilizes its global network to assist multi-generational and high net worth families with their cross-border taxation matters. The team is co-led by Alistair Christopher and Michael Brophy, who are based in the New Haven and Los Angeles offices, respectively. William Kambas splits his time between the New Haven, Greenwich, and New York offices and advises on tax planning. David Stein, who works across the New Haven, New York, and San Francisco offices, advises US and non-US single-family offices and fund managers on cross-border restate planning and income tax advice.

Practice head(s):

Michael Brophy; Alistair Christopher; Jason Dinwoodie


Other key lawyers:

David Stein; Joy Chang; Marsha Dungog; William Kambas


Testimonials

‘Marsha Dungog is hard working, intelligent, responsive, and always willing to help and problem solve.’

‘In addition to expertise regarding U.S. tax, trust and estate planning, Marsha Dungog and Joy Chang are also able to provide an extra level of sophistication for clients with international planning issues.’

‘Marsha Dungog and Joy Chang are exceptional attorneys for advising wealth global families, and they have been fantastic collaborative partners for our mutual clients.’

Work highlights