Dillon Eustace > Dublin, Ireland > Firm Profile

Dillon Eustace

Ireland > Investment funds Tier 1

Dillon Eustace is an investment funds giant and has an immense history in the market. The team advises a huge market share of asset managers and Irish-domiciled funds. It is widely recognised for its expertise in UCITS and QIAIF funds and has furthered its reputation in ESG matters. Managing partner Donnacha O’Connor, a key member of the asset management and investment funds department, has a long track record in the sector, and has advised on a series of major recent funds, including credit fund structures and loan origination funds. Brian Higgins, Brian KelliherCillian Bredin and Etain de Valera are also senior members of the team, along with Brian Dillon, who is noted for advising Asia-based clients. Shane Coveney impresses amongst the younger generation of partners. Shane Geraghty has left the firm.

Practice head(s):

Donnacha O’Connor

Other key lawyers:

Brian Dillon; Brian Higgins; Brian Kelliher; Etain de Valera; Cillian Bredin; Derbhil O’Riordan; Shane Coveney; Grace O’Connor

Key clients


AXA Rosenberg


Comvest Advisors LLC

Grayscale Advisors

Kirkoswald Asset Management

ASK Capital Management Pte Limited

Fineco Asset Management

Blantyre Capital Limited

Abakkus Asset Management

ENAM Asset Management Company Private Limited

Harrington Cooper Asset Management

Pactum AG


Golub Capital Partners

Roundhill Investors

Infinity Asset Management

Ronit Partners LLP

Saranac Partners Limited

Green Investment Partners Limited

Alanna Homes

National Bank of Kuwait

Angelo, Gordon, LP


AXA Investment Managers


BNY Mellon Asset Management

Algebris (UK) Limited

Legal & General Investment Management


Payden & Rygel


Swiss Capital Alternative Investments / Stepstone

Societe Generale

Lone Star


Polar Capital


Golden Tree Asset Management

Fiera Capital


Waystone Management Company (IE) Limited

Tenax Capital Limited

Gamma Capital Management Ltd (UK and Iceland)

BlackRock Capital Investment Advisors (US)

Credit Suisse

Danske Bank AG

Kayne Anderson

Pinnacle Capital Partners

Roundhill Capital

Roundshield Capital Partners

Twelve Capital AG

Trium Capital


BNP Paribas

Portfolio Advisors

Berkshire Partners

Ambienta SGR


Motilal Oswal Capital

DSP Investment Managers

Capital Four Asset Management

Southeastern Asset Management Inc


KBC Asset Management

Work highlights

Ireland > Banking and finance Tier 2

Dillon Eustace's large team has a strong track record in real estate finance, corporate lending and securitisation, as well as loan portfolio transactions. The group acts for banks and alternative lenders, and has strong links to the asset management space. The practice has noted capabilities in advising on real estate finance matters involving Irish funds and SPVs, and is equally adept at handling financial services regulatory issues. Conor Keaveny, Keith Robinson, John-Hugh Colleran and Mark Thorne are highly regarded practitioners, and emerging partner Conor Kiernan is a name to note.

Practice head(s):

Mark Thorne


‘The team are pleasant, professional and commercial. Their fee quotes are realistic, their work is to a high standard, and they effectively manage our expectations. They have a strong knowledge of the Irish market and the realities of doing business in it.’

‘Conor Keaveny is a fantastic all round lawyer – he’s pleasant to deal with, clear and commercial in his advice, and works to an extremely high standard. He’s easy to pick up the phone to, if you have a query, and will never make you feel as though you are wasting his time, no matter how basic or strange the query is. John-Hugh Colleran is also a great all round lawyer, well liked by our lenders for his pleasant attitude, careful advice and timely document turns. Expectations in terms of fees and turn around times are well managed by both lawyers. Dealing with them is just easy.’

Key clients

Goldman Sachs

Fairfield Real Estate Finance

Allied Irish Banks, p.l.c.


Yew Grove REIT

Bank of Ireland

Deustche Bank AG

Investec Bank


Centric Health

Clovis Oncology

Ireland > Dispute resolution Tier 2

Dillon Eustace is a leader in financial services litigation, including cases involving investment funds and banks. The firm also has an established presence in shareholder disputes, fraud cases, regulatory matters and investigations, insurance coverage disputes and personal injury. Head of department John Doyle is hugely experienced in commercial disputes, as are Peter Bredin and John O’Riordan, along with David Kavanagh, who is noted for media and defamation cases.

Practice head(s):

Paul Breen

Other key lawyers:

John Doyle; John O’Riordan; Peter Bredin; Rachel Turner; David Kavanagh


‘We have found the service provided to be excellent and Peter Bredin was very much hands-on, which is what we required given the sensitivity of the situation.

‘Peter Bredin was excellent in his support and this helped our volunteer directors to feel that they could rely on his judgement and expertise in the matters involved.’

‘Peter Bredin was the partner who managed a dispute resolution for us. He not only did the disciplined legal work, but was also attentive and listened to our desires and approaches. He advised us well with barristers and was realistic in his guidance. People don’t know how to go through these things and it’s really valuable for a client.’

Key clients

David Kelly

Graiguearidda Limited

Amaranthine Parnters I, LLC

Principal Logistics Technologies



Balbec Capital

Pepper Finance Corporation (Ireland) DAC

Global Underwriting

CMS Cameron McKenna Nabarro Olswang

DID Electrical



Starr Insurance

Gradual Investments Limited





National Asset Management Agency

Sunday Business Post

Motor Insurers Bureau of Ireland

Havbell DAC

Irish Daily Mail / Irish Mail on Sunday

American Airlines


Fighting Blindness

Grant Thornton

Work highlights

  • Acted for a shareholder and former director of Web Summit, David Kelly, in a series of high-profile disputes before the Irish Commercial court against both Web Summit and another shareholder in Web Summit.
  • Acted for Principal Logistics Technologies in Commercial Court proceedings seeking damages for breaches of warranties.
  • Acted for an aircraft leasing company in obtaining recognition in the Irish Courts of a several-$100m judgment of the Courts of New York, including securing a pre- and post-judgment mareva injunction and the appointment of a receiver to preserve assets.

Ireland > Insolvency and corporate restructuring Tier 2

Dillon Eustace has a fine record in domestic and cross-border insolvencies, particularly examinerships, often representing insolvency practitioners from the major accountancy firms that are acting as liquidators. It also has notable expertise in advising domestic and foreign secured creditors on security enforcement and distressed asset recovery. Over recent years, it has achieved a series of major aviation restructuring engagements and aviation sector cases relating to the sanctions imposed on Russia following its invasion of Ukraine. A dedicated fraud and asset recovery team within the department lends additional weight to the firm’s offering. Personal insolvency is another forte. Jamie Ensor is an experienced partner and Shane Harron is a rising star.

Practice head(s):

Jamie Ensor; Conal Keane

Other key lawyers:

Shane Harron; Peter Bredin


‘Really strong technical advice delivered in a responsive manner with appropriate commercial decision making script. Very strong in looking-around-the-corner for issues that may arise.’

‘Jamie Ensor. Technically and commercially one of the most astute professionals in insolvency. He knows exactly how to play his hand for his client. Pleasure to deal with. ’

‘Excellent team. Highly skilled. Great communicators. Our preferred Dublin counsel.’

‘Very knowledgeable and experienced in the area of corporate restructurings. The team is as good as any of the top-tier firms in the market. ’

‘Jamie Ensor is one of the top ‘go-to’ lawyers in the area of corporate restructuring and insolvency. Jamie is highly experienced and responsive. His client relationship management and communication is excellent. ’

‘Full service firm with a particularly strong insolvency and corporate restructuring practice.’

‘Jamie Ensor (Partner) – commercially savvy and always dispenses well reasoned and practical advice. Shane Harron (Senior Associate) – handles complex litigation well and is always on top of the paperwork. A really good drafter.’

‘We have dealt with Jamie Ensor on a complex and novel receivership. Jamie is highly experienced in insolvency matters and provides practical and timely solutions to issues. He is very responsive and is able to distil difficult legal issues into key points to ensure client decisions are made much easier.’

Key clients

BOC Aviation

Declan Taite, Kroll Ireland

Mars Capital

Partners Group (Switzerland)


AIG (New York)


C. Hoare & Co., bank (London)

Bespoke Trustees Limited


Recaro Aircraft Seating GmbH & Co. KG

Mabanaft Scandinavia A/S

Contrarian Funds LLC

Credit Suisse

BNY Mellon

Deutsche Bank Trust Company America



Mazars (Tom O’Brien)


Deloitte (David van Dessel and James Anderson)

Grant Thornton

RSM Ireland


Crowe Ireland (Aiden Murphy)

Azets (formerly Baker Tilly)

Pepper Asset Servicing

Smith & Williamson

McStay Luby


Aidan Garcia Diaz

John Healy (Kirby Healy)

Myles Kirby (Kirby Healy)

Martin Ferris and Patrick McCoy

Tanager DAC

Seaconview DAC

Havbell DAC

Havbell No. 2 DAC

Work highlights

  • Advised BOC Aviation Limited on obtaining worldwide freezing orders against a Russian owned cargo-airline and logistics company.
  • Advised Myles Kirby, as liquidator, in respect of a VAT fraud claim arising from the importation of high-end luxury vehicles.
  • Acted for Dessie Morrow, the examiner in the Bombay Pantry examinership.

Ireland > Insurance Tier 2

Dillon Eustace fields a large specialist insurance team with strong expertise in product liability, D&O, motor, business interruption and professional indemnity claims, along with aviation and marine cases. The team has worked intensively in representing aircraft lessors seeking insurance cover for lost aircraft after Russia’s invasion of Ukraine. The firm also has an established insurance regulatory group, which is especially active in business and product launches, and regulatory approvals. Keith Waine is a key figure for insurance regulatory matters, with Peter Bredin, John O’Riordan and Rachel Turner rated for contentious insurance.

Practice head(s):

Paul Breen; Keith Waine

Other key lawyers:


‘Great understanding of how the legal system operates in Ireland.’

‘Paul Breen. Keeps things simple and gives practical advice.’

Key clients

Motor Insurance Bureau of Ireland (MIBI)


AXA Insurance


Allianz SE

FBD Insurance





Liberty Insurance

Irish Public Bodies (IPB)

VERA Financial DAC


Darta Saving Life Assurance DAC (Allianz)

Starr Europe

Global Aerospace Underwriting

Work highlights

  • Acted for the “all risks” insurers of aircraft leasing firms Avolon and CDB in the defence of proceedings in which those firms allege that a number of aircraft have been detained in Russia and lost for the purposes of their insurance cover following the Russian invasion of Ukraine and sanctions against Russia.
  • Advised insurers in relation to several high-value claims made by some large businesses for losses made under business interruption policies in connection with Covid-19.
  • Acted for Tailored Finance Limited and its shareholders on its sale to NFP.

Ireland > Media and entertainment Tier 2

Ireland > Capital markets Tier 3

At Dillon Eustace, the team continues to advise on note issuance programmes, often for financial services clients, as well as tax driven structured finance matters. Practice head Mark Thorne and Conor Keaveny are well known for their expertise in handling structured finance and securitisation mandates.

Practice head(s):

Mark Thorne

Other key lawyers:

Conor Keaveny; Keith Robinson; John-Hugh Colleran; Conor Kiernan

Key clients

Goldman Sachs

FBD Holdings plc

Deutsche Bank AG

Bond Central


Ireland > Commercial, corporate and M&A Tier 3

The team at Dillon Eustace continues to handle a high number of mid-market M&A, private equity and venture capital deals. Under the leadership of the 'stand-out performerAdrian Benson, the practice is well known for its strength in advising on financial services sector matters and work from clients in other regulated sectors. It is also noted for handling healthcare and property transactions, alongside restructurings and reorganisations. Philip Lea is well versed in handling shareholders’ agreements and joint ventures.

Practice head(s):

Adrian Benson

Other key lawyers:

Philip Lea; Lorcan Tiernan


‘Dillon Eustace is a law firm with a very strong reputation in a number of fields, notably financial services. The corporate team has a number of very good lawyers, and they are able to advise on a range of corporate transactions and also to give clear strategic and discreet legal advice. The approach to advice is very commercial and they are focused on finding solutions. ’

‘Adrian Benson is a stand-out performer. Adrian has strong technical skills combined with a fantastic sense of what his clients want, and how to get it. He is a real heavyweight performer. ’

‘The team has good all-round capabilities, and is well respected in the Irish market. ’

‘Adrian Benson and Lorcan Tiernan are both very experienced, capable and savvy transactional lawyers. They know what it takes to get the deal done without unnecessary point scoring.’

Key clients


MML Capital

Vita Actives Limited

Odyssey VC Limited

Work highlights

  • Advised the shareholder of Vita Actives on its sale to DairyGold.
  • Advised MML Growth Capital Partners Ireland on its agreement to invest in Virginia International Logistics.
  • Advised the shareholders of Verve on its sale to the US-owned Opus global group network.

Ireland > Fintech Tier 3

The financial regulatory practice at Dillon Eustace is frequently engaged to advise on the regulatory authorisations of fintech clients across the payments, e-money, crypto asset, insurance and retail credit spheres. In particular, the team stands out for its experience assisting international clients with the establishment of Irish entities, and frequently joins up with the firm’s strong funds practice to advise tech-based clients on their provision of investment services. Keith Waine leads the practice.

Practice head(s):

Keith Waine

Other key lawyers:

Donnacha O’Connor

Key clients

Nua Money




Nazare Point Limited


Leonteq Securities

Sekuritance Solutions


Virtu Financial

Hudson River Trading

Mex Group

Unity Finance

Work highlights

  • Advising Nua Money in respect of its authorisation as a retail credit firm.
  • Advising Chainflip, a decentralised exchange, on the establishment of its Irish entity and providing regulatory advice in respect of the proposed activities of the Irish entity.
  • Advised Sekuritance Solutions on the company’s regulatory status and provided a legal opinion on the nature of the company’s crypto token.

Ireland > Real estate Tier 3

Demonstrating particular strength in investment deals in the PRS, Dillon Eustace acts for a growing client roster of major investors, commercial and residential developers, and state-sponsored bodies. The ‘knowledgable and dedicated‘ team also benefits from the wider firm’s strength in the financial services space, playing an active role in real estate loan portfolio sales and property finance transactions, where practice head Martin Colman, whose clients include Irish pillar banks and alternative lenders, has significant expertise. Kelly O’Hara and Brendan Cunnane are also among the key contacts.

Practice head(s):

Martin Colman

Other key lawyers:

Kelly O’Hara; Brendan Cunnane; Fiona O’Neill; Nessa Ryan; Clare Lacey


‘Dillon Eustace’s expertise in commercial leasing and landlord and tenant matters shows a thorough understanding of both the law and the commercial landscape around it. In addition, they operate a very fair and transparent approach to billing and at all times clients feel they are getting real value for money.’

‘Kelly O’Hara is an excellent practitioner. Her advice is always prompt, clear and based on common sense. Moreover, she always indicates a timeframe in which she will respond and does not leave clients wondering.’

‘Martin Colman is fantastic.’

‘The people are very good – knowledgable and dedicated.’

‘Brendan Cunnane is very reasoned, methodical and available past office hours when needed.’

Key clients

IPUT plc

Franklin Templeton

Land Development Agency

Cairn Homes Properties Limited

Nassarius Capital AG

Round Hill Capital

Aviva Life & Pensions Ireland DAC

SW3 Capital/Tristan Capital Partners

Round Hill Capital

Greenoak Europe Secured Lending

Aviva Life & Pensions Ireland DAC

Elleke Vermogens

Fine Grain Property (Ireland) Limited


Fairfield Real Estate Finance Limited

Lone Star

Garlin Investment ICAV

The Governor and Company of the Bank of Ireland

Permanent TSB

Abarta Investments ICAV

Centric Health


House Building Finance Ireland

Reil Investments

Remcoll Developments Limite

Homestore & More

Work highlights

  • Acted for IPUT in the leasing of the Tropical Fruit Warehouse, an iconic new office development in Dublin’s Docklands, to TikTok.
  • Acting for Cairn Homes in respect of the sale of Mercer Vale, a 152-unit residential development in Cherrywood, Dublin 18.
  • Acting for Finegrain Property on the acquisition of The Waterside Portfolio, Citywest, which comprises five blocks of grade A offices acquired from IPUT and Davy, for a sum in excess of €65 million.

Dillon Eustace is one of Ireland’s leading law firms focusing on asset management and investment funds, banking and capital markets, corporate and M&A, employment, financial services, insurance, litigation and dispute resolution, real estate and taxation.

Founded 30 years ago, today the firm has, 40 partners and a total staff of almost 200.  The firm is headquartered in Dublin, and has offices in the Cayman Islands, New York, and Tokyo. The firm advises clients on Irish and Cayman law matters.

The firm’s client base includes international and domestic asset managers, investment fund promoters, insurers, banks, corporates, financial institutions, TPAs and custodians, prime brokers, government, and supranational bodies as well as newspapers, aviation and maritime, industry participants and real estate developers and investors.

Department Name Email Telephone
Managing Partner Donnacha O'Connor donnacha.oconnor@dilloneustace.ie +353 1 673 1729
Asset management & Investment Funds Etain de Valera etain.devalera@dilloneustace.ie +353 1 673 1739
Asset management & Investment Funds Brian Dillon brian.dillon@dilloneustace.ie +353 1 673 1713
Aviation/Asset Finance Conor Keaveny conor.keaveny@dilloneustace.ie +353 1 673 1741
Banking Conor Keaveny conor.keaveny@dilloneustace.ie +353 1 673 1741
Banking Keith Robinson keith.robinson@dilloneustace.ie +353 1 674 1004
Capital markets Mark Thorne mark.thorne@dilloneustace.ie +353 1 667 0022
Capital markets Conor Keaveny conor.keaveny@dilloneustace.ie +353 1 673 1741
Cayman Islands Jonathan Law jonathan.law@dilloneustace.ie +1 345 949 0022
Real Estate Martin Colman martin.colman@dilloneustace.ie + 353 1 673 1770
Real Estate Kelly O'Hara kelly.ohara@dilloneustace.ie + 353 1 673 1827
Commercial litigation and dispute resolution Paul Breen paul.breen@dilloneustace.ie +353 1 673 1784
Compliance and regulatory Keith Waine keith.waine@dilloneustace.ie +353 1 673 1822
Corporate and M&A Adrian Benson adrian.benson@dilloneustace.ie +353 1 673 1705
Distressed asset acquisition and finance Conor Keaveny conor.keaveny@dilloneustace.ie +353 1 673 1741
Distressed asset acquisition and finance Mark Thorne mark.thorne@dilloneustace.ie +353 1 667 0022
Financial services Brian Higgins brian.higgins@dilloneustace.ie +353 1 673 1891
Hedge funds and structured investment funds Donnacha O'Connor donnacha.oconnor@dilloneustace.ie +353 1 673 1729
Hedge funds and structured investment funds Etain de Valera etain.devalera@dilloneustace.ie +353 1 673 1739
Insolvency and corporate recovery Jamie Ensor jamie.ensor@dilloneustace.ie +353 1 673 1722
Insurance litigation Paul Breen paul.breen@dilloneustace.ie +353 1 673 1784
Inward investment Mark Thorne mark.thorne@dilloneustace.ie +353 1 667 0022
Listings Tara O'Callaghan tara.ocallaghan@dilloneustace.ie +353 1 673 1831
Maritime and aviation litigation David Kavanagh david.kavanagh@dilloneustace.ie +353 1 673 1788
Media and defamation David Kavanagh david.kavanagh@dilloneustace.ie +353 1 673 1788
Head of New York David Walsh david.walsh@dilloneustace.ie + 1 212 792 4168
Insurance litigation Elaine Healy elaine.healy@dilloneustace.ie +353 1 673 1797
Private equity/venture capital Adrian Benson adrian.benson@dilloneustace.ie +353 1 673 1705
Head of Taxation David Lawless david.lawless@dilloneustace.ie +353 1 673 1765
Regulatory investigations John O'Riordan john.oriordan@dilloneustace.ie +353 1 673 1792
Securitisation and structured finance Conor Keaveny conor.keaveny@dilloneustace.ie +353 1 673 1741
Securitisation and structured finance David Lawless david.lawless@dilloneustace.ie +353 1 673 1765
Photo Name Position Profile
Adrian Benson photo Mr Adrian Benson Partner and Head of the  Corporate and M&A Department
Cillian Bredin photo Mr Cillian Bredin Partner, Asset Management and Investment Funds
Peter Bredin photo Mr Peter Bredin Partner, Litigation and Dispute Resolution
John-Hugh Colleran photo Mr John-Hugh Colleran Partner, Banking and Capital Markets
Martin Colman photo Mr Martin Colman Partner and Head of Real Estate
Shane Coveney photo Mr Shane Coveney Partner, Asset Management and Investment Funds
Brian Dillon photo Mr Brian Dillon Partner, Asset Management and Investment Funds
Jamie Ensor photo Mr Jamie Ensor Partner, Restructuring and Insolvency
Paul Eustace photo Mr Paul Eustace Consultant, Real Estate
Brian Higgins photo Mr Brian Higgins Partner, Asset Management and Investment Funds
David Kavanagh photo Mr David Kavanagh Partner, Litigation and Dispute Resolution
Conor Keaveny photo Mr Conor Keaveny Partner, Banking & Capital Markets
Brian Kelliher photo Mr Brian Kelliher Partner, Asset Management and Investment Funds
Grace O'Connor photo Ms Grace O'Connor Partner, Asset Management and Investment Funds
Donnacha O'Connor photo Mr Donnacha O'Connor Managing Partner and Partner, Asset Management and Investment Funds
Kelly O'Hara photo Ms Kelly O'Hara Partner, Real Estate
Derbhil O'Riordan photo Ms Derbhil O'Riordan Partner, Asset Management and Investment Funds
John O'Riordan photo Mr John O'Riordan Partner, Litigation and Dispute Resolution
Keith Robinson photo Mr Keith Robinson Partner, Banking and Capital Markets
Keith Waine photo Mr Keith Waine Partner, Head of Department
Etain de Valera photo Ms Etain de Valera Partner, Head of Asset Management and Investment Funds
Staffing total : 200
Main Contact Dublin : Donnacha O'Connor (Managing Partner), donnacha.oconnor@dilloneustace.ie
Corporate : Adrian Benson, adrian.benson@dilloneustace.ie
Real Estate : Martin Colman, martin.colman@dilloneustace.ie
Litigation and Dispute Resolution : Paul Breen, paul.breen@dilloneustace.ie
Banking & Capital Markets : Mark Thorne, mark.thorne@dilloneustace.ie
Asset Management & Investment Funds : Etain de Valera, etain.devalera@dilloneustace.ie
Financial Regulation : Keith Waine, keith.waine@dilloneustace.ie
Cayman Office : Jonathan Law, jonathan.law@dilloneustace.ie
New York Office : David Walsh, david.walsh@dilloneustace.ie
Tokyo Office : Brian Dillon, brian.dillon@dilloneustace.ie