Lenz & Staehelin > Zurich, Switzerland > Firm Profile

Lenz & Staehelin

Switzerland > Banking and finance: Geneva Tier 1

The Geneva banking and finance team of Lenz & Staehelin, headed by Shelby du Pasquier, offers the full array of legal services to its domestic and international clients, ranging from traditional market participants such as established international banks to non-traditional players, such as alternative lenders. Recently the unit, which includes key lawyers François Rayroux, Olivier Stahler, David Ledermann, Fedor Poskriakov, Laurence Vogt Scholler and Valérie Menoud, has seen increased activity in leveraged finance, project finance, regulatory proceedings and regulatory advice. Clients appreciate that ‘partners and associates alike are deeply committed to providing the best to their clients‘.

Practice head(s):


‘Top law firm.’

‘The team demonstrates a broad array of expertise across the Swiss financial sector, including in the DLT and its deployment in the financial sector. Although a big firm by Swiss standards, L&S manages to keep a boutique quality of service. They are very familiar with our firm’s business model and processes and successfully and consistently integrate this element in their advice, which provides precious added value.’

‘In addition to expertise in numerous fields, partners and associates alike are deeply committed to providing the best to their clients. Their commitment and dedication have brought us to rely on L&S as our pillar firm.’

‘Pragmatic approach, efficient, very much skilled, available upon short notice.’

‘They are very strong allrounders with top expertise in all the legal domains.’

‘They combine top rate legal knowledge and skills with a pragmatic business-focused approach.’

‘François Rayroux is the leading investment fund lawyer in Switzerland. Very proficient, diligent and knowledgeable.’

‘Olivier Stahler consistently combines extremely high technical knowledge with strong business acumen. He is particularly responsive in the day to day and visionary when dealing with more strategic issues. He also demonstrates a strong capability to assess risks effectively. I value Lenz & Staehelin as an independent law firm with strong ties with high-ranking international peers. Lenz & Staehelin has a clear and transparent billing structure that also adapts to the specific cases.’

Key clients

Aviva Investors Global Services

Banque Pictet & Cie SA

Barclays Bank

Citibank Group

Crédit Agricole


Itau Group

J.P. Morgan

Lombard Odier


Pictet Group

Reyl & Cie


Pensionskasse SBB

Swissquote Bank SA


Unigestion SA

VTB Group

Work highlights

  • Corporate and regulatory advice to ODDO BHF in relation to the acquisition of the entire share capital in Landolt & Cie from its existing shareholders. The deal required securing and additional license from the Swiss regulator as a result of the transfer of ownership of a Swiss bank to a foreign entity.
  • Assistance to the client in the sale of one of the leading Swiss independent asset management firms. The assistance included legal, tax and contractual advice.
  • Assisted various Swiss banks, among which Citibank, HSBC, Banco Itau and Reyl & Cie, with the implementation of the new financial services regulations under the Financial Services Act, namely as regards governance, suitability, client disclosure obligations, transparency processes, etc.

Switzerland > Banking and finance: Zurich Tier 1

Lenz & Staehelin is known to provide ‘first-class legal advice, allied with excellent commercial nous.‘ Clients such as Swiss and foreign banks, financial institutions and alternative lenders approach the group for regulatory and transactional matters. Matters include large-cap financings transactions and a growing number of  leveraged finance, regulatory proceedings and fintech matters. Practice head Marcel Tranchet has a strong reputation in syndicated financings, acquisition finance, and structured finance. Patrick Hünerwadel also deals with asset securitisations and derivatives. Regulatory specialist Stefan Breitenstein and capital markets practitioner Patrick Schleiffer are also noted.

Practice head(s):


‘Marcel Tranchet is experienced and highly regarded in the Swiss market.’

‘Marcel Tranchet is pound for pound one of the best lawyers I have come across. First-rate legal skills combined with a good commercial approach.’

‘Roland Fischer is constructive, straight-forward and with pragmatic solutions, bringing progress to a transaction.’

‘L&S is a leading law firm established in Switzerland. It has strong expertise in many relevant areas with specialist advice on the entire range of contract matters across the full bandwidth of contract types, but especially when it comes to structured and lease finance – company law and housekeeping – corporate compliance and governance.’

‘Patrick Hünerwadel’s main and valuable qualities are: expert knowledge of our organisation,  functioning and its contracts, effectiveness and speed of delivery.’

‘Marcel Tranchet has a strong understanding of commercial and business terms providing clear advice.’

‘Stefan Breitenstein and his team always addressed matters always in an efficient way.’

‘Consistently excellent work product, clear, concise and business-oriented. Very strong in securities and banking regulation and credit business.’

Key clients


Ares Life Sciences/Waypoint

Aviva Investors Global Services

Bain Capital

Banque Lombard Odier & Cie SA

Banque Pâris Bertrand SA

Banque Pictet & Cie SA

BigPoint Holding AG

BNP Paribas

Barclays Bank

Chequers Capital


Citibank Group


Crédit Agricole

Credit Bank of Moscow

Credit Suisse

Deutsche Bank

Edmond de Rothschild Group

Equistone Partners


FINControl Suisse



Goldman Sachs




ING Bank


Itau Group

J.P. Morgan


Lombard Odier

Macquarie Group


Neuberger Berman Europe Limited

New York Digital Investment Group


OROX Asset Management

Pargesa Holding SA

Pictet Group



Reyl & Cie


Sempione Fashion AG

Sika AG

SIX Swiss Exchange

SK Capital

Société Générale


Stallergenes Greer


Swissquote Bank SA


Unigestion S.A.




VTG Aktiengesellschaft


Work highlights

  • Acted as counsel to the senior lenders, a syndicate of banks, in connection with the successful financial restructuring of Gategroup.
  • Acting as counsel to Bain Capital and Cinven on all matters of Swiss law in connection with their acquisition of Lonza Specialty Ingredients, a division of Lonza AG, for an enterprise value of CHF4.2bn.
  • Assisting the banking syndicate in connection with the structuring and documentation of the financing of the acquisition of an equity stake in Vostok Oil by Trafigura.

Switzerland > Capital markets Tier 1

The capital markets practice at Lenz & Staehelin is regularly sought after by Swiss and foreign issuers and banks, ETC and ETF promoters as well as international associations. The offering includes equity offerings such as IPOs, rights offerings, and share buybacks; offerings of bonds, loan participation notes and mortgage-backed transactions. Convertible bonds and exchange offers/tender offers for bonds and notes in Switzerland are also handled. The Geneva office is led by Jacques Iffland while the Zurich team is headed up by Hans-Jakob Diem and Patrick SchleifferFrançois Rayroux is another prominent practitioner with longstanding experience.

Key clients


Bundesverband Deutscher Banken (BBV)

Credit Suisse, UBS

Desmarais and Frère families, Pargesa Holding SA (Pargesa) and Groupe Bruxelles Lambert (GBL)


J.P. Morgan

Geberit AG

Hirslanden Group

International Swaps and Derivatives Association (ISDA)


Morgan Stanley, BofA Securities and Cowen

ObsEva SA


Deutsche Bank


Wisdom Tree

Work highlights

  • Advised the underwriters on the cross-border IPO of Swiss-based Sophia Genetics with a listing on Nasdaq.
  • Advised Compagnie Financière Richemont SA on the distribution of tradable shareholder warrants, a previously untested way in Switzerland to distribute value to the shareholders and an alternative to the normal ‘scrip dividend’.
  • Advised Jefferies LLC on its equity distribution agreement with Transocean.

Switzerland > Commercial, corporate and M&A Tier 1

Lenz & Staehelin enjoys an excellent reputation in the market for its activity in public takeovers, private mid- and large-cap transactions, private equity and venture capital matters as well as corporate governance advice. Noted for its ‘creativity, stability, and efficiency‘, the team is particularly well versed in the financial services (incl. FinTech), chemical, healthcare and life sciences, TMT, industrials, and real estate industries. The close collaboration across departments adds value for the clients. Practice heads Hans-Jakob Diem and Andreas Rötheli both have a strong track record in M&A and PE transactions. Matthias Wolf advises banking and finance industry clients, and Beat Kühni‘s expertise also covers the venture capital space. Tino Gaberthüel is a ‘top notch listed company/takeover expert.’ Simone Ehrsam made partner in January 2022.


‘Beat Kühni and Hans-Jakob Diem are high-class professionals.’

‘The corporate M&A practice has proven to be outstanding. Hands-on advice, first-tier law firm, much value for money.’

‘Simone Ehrsam is hardworking, highly committed.’

‘Tino Gaberthüel: top-notch listed company/takeover expert.’

‘Smart, quick, creative and highly reliable and trustworthy’

‘Beat Kühni is an exceptional lawyer. He has a masterful grasp of the law and a perfect temperament when negotiating with company counsel. We remain very impressed. The work output is of very high quality.’

‘I am full of praise for the team. A stand-out group of individuals, very attentive, commercially minded and responsive. They are truly excellent lawyers, but in addition put a good emphasis on the personal level of the relationship. They are proactive and truly add value with their advice. Simply superb.’

‘Particular praise goes to Stephan Erni, who is always available and delivers to-the-point, clear and excellent advice. He is also an exceptionally nice guy with a good sense of humour. A great pleasure to work with.’

Key clients

5 Atlantis AG


ALPHA Healthgroup

Ant Financial Services Group (subsidiary of Alibaba)


Apple Inc.


Argos Wityu (formerly Argos Soditic S.A.)

Astra Zeneca

Bain Capital

Baloise Insurance Holding

Bank Vontobel

Bank Pictet

Banque Lombard Odier

Banque Internationale à Luxembourg (BIL)



BigPoint Holding AG / Martin Haefner


Bordier & Cie

Bottomline Technologies Inc.

BTG Pactual

Carlo Gavazzi Holding

The Carlyle Group

Cembra Money Bank

Chequers Capital

Chord Therapeutics




Compagnie Financière Richemont SA

Credit Suisse

Deutsche Bahn

Deutsche Bank

Deutsche Börse

Desmarais and Frère Family Group

Forrestay Capital (a fund of Waypoint Capital)

Garrett Motion


Gonet & Cie SA

Gyrus Capital SA

Hermés International





Insight Partners

Institutional Shareholder Services Inc. (ISS)

Intertrust Group

Jacobs Douwe Egberts

JP Morgan

Julius Baer



LK International




Maus Frères

Merck Group

Morgan Stanley

Nomad Foods


Novo Holdings A/S


Octium Group


Pfizer Inc.


Portola Pharmaceuticals Inc.

Quilvest Private Equity

Rakuten Medical

Rothschild & Co

SABIC (Saudi Basic Industries Corporation)

Sazka Group

Schweizerische Mobiliar


Sensient Technologies Corporation

Sika AG

SK Capital

SME Equity Partner AG



Sunrise Communication AG

Surveyor Capital

Swiss Post

Swiss Prime Site


TAG Group

Tetra Laval




Unilabs Group Services


Union Bancaire Privée (UBP)

Vaudoise Assurance Holding

VTG Aktiengesellschaft

Water Street


Zeno Ventures

Work highlights

  • Advised funds advised by Bain Capital and Cinven in the CHF4.2bn acquisition of Lonza Specialty Ingredients, a division of Lonza.
  • Advised the Heubach Group and SK Capital in the CHF855m acquisition of Clariant’s pigment business.
  • Advised Sunrise Communications Group in the CHF6.8bn public tender offer by, and sale to, Liberty Global.

Switzerland > Competition Tier 1

Lenz & Staehelin‘s scope covers the full gamut of competition and antitrust law. The members of the practice have considerable know-how in merger control notifications, abuse of dominance, restrictive practices, cartel investigations, dawn raids, leniency procedures and public procurement. The group further often deals with multi-jurisdictional merger filings as well as with proceedings before the Swiss Competition Commission and competition litigation. It is headed up by the ‘excellent‘ Marcel Meinhardt and the ‘very constructive’ Benoît Merkt in Zurich and Geneva respectively. Astrid Waser brings her expertise in media and telecom law to the table. Sevan Antreasyan made partner in January 2022.

Practice head(s):

Other key lawyers:

Astrid Waser; Sevan Antreasyan; Désirée Stebler


‘Lenz & Staehelin is a top firm in Switzerland.’

‘Benoît Merkt is a very strong competition lawyer, reliable, charming and very constructive.’

‘Top competition practice in Switzerland.’

‘Marcel Meinhardt is excellent.’

Key clients

Allfunds Bank Group


Bain Capital Private Equity



Cinven Limited

City of Geneva

Colgate Palmolive


CTS Eventim


Dargaud and Flammarion

Deutsche Bank

ENGIE Services AG

European Broadcasting Union


Geistlich Pharma AG



Hyundai Motor


INEOS Group (Mercedes-Benz Grand Prix Limited)


Maus Frères SA




Salt Mobile SA

Saraco SA

Sunrise Communications AG

Swiss Post



The Carlyle Group




Vigier / Vicat

Work highlights

  • Representing Mastercard in its appeal against interim measures by the ComCo.
  • Represented Jumbo-Markt AG in the Swiss merger control procedure in the sale of all shares in Jumbo-Markt AG.
  • Advised Bain and Cinven in the Swiss merger control procedure regarding the acquisition of Lonza Specialty Ingredients .

Switzerland > Data privacy and data protection Tier 1

Lenz & Staehelin impresses with the breadth of its practice. The team is well versed in advising Swiss and foreign companies on how to comply with data privacy and security regulatory obligations, and to develop practical cross-border data transfer solutions. Other areas of expertise are cross-border data privacy surveys, setting up new ventures, and designing, drafting, reviewing and updating general corporate group and HR policies. Professional and banking secrecy, privilege and related areas of confidentiality obligations area also handled. The key practitioners are employment specialist Rayan Houdrouge, TMT practitioner Guy Vermeil, outsourcing expert Lukas Morscher and Jürg Simon who also covers IP and competition law.


‘L&S team always gives a pragmatic vision on how to solve problems and they are really efficient. There is always a specialised person in the concrete subject and the associates who give the global vision, knowing the client and adding know-how and experience.’

‘What I particularly like is the way L&S works: 1. Having a reference partner who coordinates internally if they need to call on other skills 2. Simple interaction with the client – flexibility in support – great openness and adaptation. 3. Complete response with clear and pragmatic legal recommendations. The lawyers get involved.’

‘First-hand, hands-on experience in the matters on which we seek their advice.’

‘Practical, pragmatic and approachable.’

‘Extremely hands-on and available. Competetent, open and transparent.’

‘Friendly, proactive.’

Key clients



Bank Vontobel

Carlo Gavazzi AG

Prabina Foundation

Resolution Life

Vontobel Asset Management

Work highlights

  • Advised a global reinsurance group of companies on regulatory and transactional aspects.
  • Advised a Swiss-based FINMA-regulated global asset manager on its procurement of integrated middle office outsourcing services and front office Software-as-a-Service solution on transactional, governance and regulatory aspects.
  • Advised a Swiss bank on the legal and regulatory aspects of the outsourcing of its core banking solution and related services to Swiss service providers.

Switzerland > Dispute resolution: arbitration Tier 1

Fielding ‘a high-performing team of colleagues with high standards of professionalism, responsiveness and efficiency’, Lenz & Staehelin is a go-to name for high-profile international arbitration proceedings, acting as counsel and arbitrator. Several members of the team also have expertise in foreign jurisdictions and have knowledge of the pharmaceuticals, energy, telecoms, banking and spots sectors, among others. Xavier Favre-Bulle leads the arbitration team, while Harold Frey is head of the wider litigation and arbitration department; Favre-Bulle is based in Geneva and Frey is located in Zurich. Martin Burkhardt, IP specialist Thierry Calame, banking expert Daniel Tunik and counsel Martin Aebi are also singled out.


‘Xavier Favre-Bulle is a really outstanding arbitrator.’

‘Xavier Favre-Bulle is very experienced and practical as counsel and arbitrator regarding international arbitrations having a Swiss angle.’

‘I have been working with Harold Frey on an international arbitration in Zurich. He is brilliant, creative, strategic, and experienced. A true stand-out – not afraid to proceed outside the box when circumstances warrant. I recommend him and his firm highly.’

‘I am very familiar with the Arbitration practice of the Zurich office. I think that the team led by Harold Frey can offer high quality Swiss law advice, including in specialised areas.’

‘I have worked very closely with Harold Frey whose integrity and collegiality is absolutely outstanding. He is my go-to person because he places a lot of weight on providing the clients with high quality legal advice and would always place the interest of the clients first.’

‘A high-performing team of colleagues with high standards of professionalism, responsiveness and efficiency.’

‘Harold Frey is top-tier arbitration lawyer, well respected by his clients and peers, capable of handling sophisticated and high-profile disputes involving foreign and cross-border elements in the most efficient manner.’

‘Harold Frey and Martin Aebi are a well-practiced and well-coordinated team. Martin Aebi is doing most of the groundwork and drives matters forward – also when it means to push the client, always friendly but determined. When doing so, with his very good understanding of technical issues, he focuses on the most relevant issues. Based on their broad practice Harold and Martin are also in an excellent position to give valuable advice on the selection of arbitrators. Overall, as a client one can sit back and trust this excellent team to do its best.’

Key clients

Alpiq Holding AG

Bank BTG Pactual S.A.


International Olympic Committee (IOC)

State of Palestine

thyssenkrupp Industrial Solutions AG

thyssenkrupp Marine Systems GmbH

World Anti-Doping Agency (WADA)

Switzerland > Dispute resolution: litigation Tier 1

Praised by clients as ‘an excellent law firm with profound knowledge’, Lenz & Staehelin fields ‘a very professional and always available’ team, which has significant expertise in banking and financial litigation, corporate disputes, private client work, employment litigation, contentious real estate work and IP mandates. The practice also has knowledge of the white-collar crime arena and experience in disputes involving states or state-owned entities. Harold Frey leads the Zurich-based team, while Daniel Tunik heads up the practice in Geneva. In Zurich, Martin Burkhardt focuses on commercial disputes, Dominique Müller leads the investigations practice and Thierry Calame and Jürg Simon focus on IP litigation. Miguel Oural, Xavier Favre-Bulle and white-collar crime expert Hikmat Maleh are key names to note in Geneva.

Practice head(s):


‘Harold Frey and Martin Aebi I would want to mention specifically. Both of them display the highest professionalism, are collegial in their dealings with opposing counsel and courts and arbitral panels and yet determined in the defence of their clients’ interest, always focus on the relevant issues.’

‘Excellent law firm with profound knowledge of all fields of law.’

‘Martin Burkhardt is an exceptionally knowledgeable, professional with vast experience and excellent strategic skills.’

‘Harold Frey is a very experienced professional who knows 100% what he is doing.’

‘Daniel Tunik is incredibly calm even during difficult times which brings peace of mind to his clients. One can trust his great experience and the fact that he is always solution driven. On top of these qualities, I can emphasise his great know how of the procedural aspects of litigation as well as the applicable laws.’

‘L&S has been standing out for a long time. They manage to always excel and deliver high-quality work. Outstanding are Martin Burkhardt, Harry Frey, Dominique Müller and Martin Aebi. The breadth of their experience and know-how is impressive.’

Key clients

Sika AG

Bank BTG Pactual S.A.

Bank Julius Bär & Co. AG

Sunrise Communications AG

Implenia Schweiz AG

Switzerland > Employment Tier 1

Lenz & Staehelin covers all aspects of private employment law, public labour law, social security, pensions and employment-related immigration issues. The team, which includes investigations group head Dominique Müller and Matthias Oertle, acts for employers as well as senior employees on matters relating to restructurings, the impact of M&A transactions on human resources, and pension fund conflicts. Clients include international corporations as well as international organisations and charities. Counsel Sara Rousselle-Ruffieux is ‘highly recommended‘ and jointly leads the practice with Daniel Tunik, who focuses on contentious work. Nicole Koch-Frey departed in 2021 and Rayan Houdrouge left the firm in April 2022.

Other key lawyers:


‘We have always been very happy with the team’s responsiveness, depth and quality of advice.’

‘The qualities we value the most in Sara Rousselle Ruffieux is her ability to provide wise counsel – integrating both the technical issues involved in legal matters as well as the more human and emotional dimensions. We highly recommend her as a person and as a lawyer!’

‘Dominique Müller: To put into a nutshell: They are extremely smart and sharp. They are extremely hardworking, talented and understand how to “manage the client”.’

‘Very precise – very much into the important details – very sharp – extremely bright. Probably the best employment lawyers in Switzerland.’

Key clients

Allfunds Group

Cembra Money Bank

Insight Partners

Gyrus and DuPont Sustainable Solutions (DSS)


Fahrzeug-Werke Lueg AG (LUEG)

Hyundai Motor Company






Bain Capital/Cinven

Nomad Foods Ltd.

Tetra Pak


Switzerland > Intellectual property Tier 1

Lenz & Staehelin covers all aspects of intellectual property, with the team handling patents, trade marks, designs, copyright, geographical indications and know-how protection, acting on prosecution as well as in litigation. Thierry Calame, Jurg Simon and Daniel Tunik jointly head the practice. Calame specialises in patent matters and licensing related arbitration, in particular with a focus on the life sciences, and is considered to be ‘one of the top Swiss IP specialists‘. Simon has a focus on IT, media and appellations of origin, among others, and Tunik is the litigation head. The ‘extremely impressivePeter Ling is experienced in trade mark and patent litigation. Lara Dorigo left the firm in January 2022.

Other key lawyers:


‘Peter Ling and Thierry Calame stand out as IP experts. They are not simply lawyers, they are truly business-minded and think beyond the legal implications of the case.’

‘L&S have some of the brightest minds in IP litigation in Switzerland. Taken as a whole, L&S’s IP practice is simply unbeatable. Their experience and knowledge is outstanding; communication and management of expectation is excellent, and they are always looking for creative ways to approach things.’

‘Thierry Calame is exceptional to work with. He is not only extremely knowledgeable and experienced in legal matters; he is also very knowledgeable in technical matters, in particular in life sciences. Finally, his pleadings are just excellent. Peter Ling is extremely impressive. His communication skills are close to perfection in many languages, and his appearance and pleadings in court are remarkable. His natural sense for the technological aspects of a case make him an outstanding lawyer to work with in patent litigation.’

‘Peter Ling is extremely knowledgeable, quick to understand complex matters, and swiftly delivers reflected and well-structured advice. He is always ready to help, to bounce off ideas and offer strategic advise. If you are looking for a brilliant, frank sparring partner rather than a seller type, look no further.’

‘They are genuine experts in their fields, knowledgeable about the issues we are currently facing, and proactive in identifying potential new legal threats that may lie just around the corner. They are great at listening to us in order to manage our expectations, understand our needs and deliver value for us. We were further impressed with the firm’s sense of communication and urgency.’

‘Thierry Calame is a mastermind for patent litigation and legal strategy with excellent technical expertise in biosciences, pharmaceuticals and medical devices. His understanding of the international context and specifically the requirements of US clients is an additional asset in international litigation. He often comes up with creative solutions for seemingly complex problems.’


Key clients


AbbVie Inc.


Apple Inc.

Champagne producers association

Consorzio Prosecco



Emmentaler Switzerland

Leap Partners AG


Merck & Co., Inc.



MSC Cruises

Pernod Ricard


Pfizer Inc.

Sanofi, Genzyme

Swatch Group

Swiss Government, Armasuisse

Swiss Sustainable Yachts AG

Swiss Salt Works AG

Sky International AG


Teva Pharma AG

Verweij Fashion B.V.

Weetabix Ltd

Work highlights

  • Successfully represented Abbott before the Federal Supreme Court, resulting in a landmark decision on standing to sue in trade mark invalidity proceedings under the Madrid System of trade marks.
  • Successfully represented CIVC in an appeal at the Constitutional Court of the Canton de Vaud, thereby enforcing the bilateral agreement between Switzerland and the EU on geographical indications and appellations of origin.
  • Successfully represented Abbott before the Federal Supreme Court, which upheld a preliminary injunction issued by Federal Patent Court against Edwards Lifesciences in complex patent infringement litigation regarding the manufacture and distribution of the PASCAL transcatheter heart valve repair system.

Switzerland > Leading firms: French-speaking Switzerland Tier 1

Lenz & Staehelin offers a broad array of services out of its Geneva and Lausanne offices and is particularly known for its advice in banking and finance, corporate and M&A matters as well as practice areas related to new technologies. Banking and finance specialists Shelby Du Pasquier, François Rayroux and Olivier Stahler, dispute resolution expert Xavier Favre-Bulle, competition law specialist Benoît Merkt, transactions specialist Andreas Rötheli as well as key contacts for private clients Lucien Masmejan and Jean-Blaise Eckert are noted.

Switzerland > Leading firms: German-speaking Switzerland Tier 1

Lenz & Staehelin has a good reputation for its full-service offering and is noted in particular for its services in the areas of dispute resolution, corporate and M&A, and banking and finance with further areas of expertise in intellectual property, TMT and competition law. Key figures of note are banking and finance experts Marcel Tranchet and Patrick Hünerwadel, capital markets-focused Patrick Schleiffer, corporate M&A specialist Lukas Morscher and litigation and arbitration specialist Harold Frey. Other key contacts are Tanja Luginbühl for insolvency and restructuring matters, Heini Rüdisühli for private client matters, Jürg Simon for intellectual property advice and Marcel Meinhardt for competition law expertise.

Switzerland > Private client Tier 1

Lenz & Staehelin fields a team of ‘first-class lawyers‘ who have ‘strong allround knowledge of private client work, in particular tax and succession matters‘. Core services relate to wealth and estate planning, re-domicilations to Switzerland as well as international inheritance advice, including related litigation. Lucien Masmejan is ‘a superb litigator, with excellent judgement and creative strategic litigation skills‘. ‘Stand-out‘ expert Heini Rüdisühli has a focus on national and international tax and succession planning and Mark Barmes is ‘one of the leading international private client lawyers in Switzerland‘ with a focus on advising foreign trustees on establishing themselves in Switzerland. The unit further includes the ‘pragmatic and thoughtfulAlexander Greter, ‘stand-out‘ lawyer Alexandra Hirt and ‘extremely talented private client and tax planning lawyerGéraldine Auberson.


‘Lucien Masmejan is absolutely first rate. He is very good with clients and they really feel he has their backs. Géraldine Auberson is highly effective and responsive.’

‘Lucien Masmejan’s grasp of tax law across the cantons in Switzerland is unparalleled. Aside from his clear technical skill, Lucien was a fantastic project manager. I was delighted to work with Lucien and would certainly like to do so again. I would recommend Lucien in a heartbeat.’

‘All the lawyers I have come across in the Lenz & Staehelin private client team are first class.’

‘Alexander Greter is patient, pragmatic and thoughtful.’

‘They are first rate. We place Lenz & Staehelin at the top tier of the firms with which we work regularly in Switzerland on private client matters for important clients.’

‘They are all highly skilled, very experienced, excellent lawyers. Lucien Masmejan is equally strong on contentious and non-contentious trust and private client matters, and is known as a superb corporate lawyer as well. He is a superb litigator, with excellent judgement and creative strategic litigation skills. Mark Barmes is widely recognized as one of the leading international private client lawyers in Switzerland, with an extraordinary cross-border practice of clients from around the world. He is a great pleasure to work with, very bright, creative, thoughtful, deeply experienced. Géraldine Auberson is an extremely talented private client and tax planning lawyer, deeply knowledgable, with excellent judgement.’

‘A strong allround knowledge of private client work, in particular tax and succession matters.’

‘Stand-out names are Heini Rüdisühli and associate Alexandra Hirt. They are very responsive and clear in their advice, and very pleasant to work with as part of a team.’

Switzerland > Public law Tier 1

Lenz & Staehelin offers advice on all areas of public law, such as public procurement, energy, telecoms and media law as well as price surveillance regulation and general administrative law which includes environmental, zoning and building law. The practice is headed by Rayan Houdrouge, Benoît Merkt, Marcel Meinhardt and Astrid Waser from the Geneva and Zurich offices. Merkt has a particular specialisation in the energy and infrastructure sectors as well as public economic law, while Houdrouge focuses on competition law, in particular in respect to internal audits. Meinhardt brings his experience in the postal services and energy sectors to the table, while Waser specialises in public procurement, competition law and environmental law.

Key clients

City of Zurich (EWZ)




Pro7Sat.1 AG



Swiss Post

Telecommunications SA


Kaufmann AG

Switzerland > Real estate and construction Tier 1

Lenz & Staehelin covers the full range of advice regarding real estate transactions and construction matters, including development and planning projects, land acquisitions, public private partnerships, public procurement and project negotiations. ‘Excellent lawyerBeat Kühni stands out with his ‘very good negotiating skills and high business acumen‘. The ‘very efficient and cleverCécile Berger Meyer advises on civil as well as administrative law matters regarding real estate projects and ‘can draft a solid contract in a few hours‘. The ‘flexible, responsive‘ team, which includes ‘excellent real estate lawyerFabiano Menghini and Andreas Rötheli, frequently advises on in- and outbound investments in infrastructure projects concerning, among others, the transportation, energy and water industries.


‘Beat Kühni is an excellent lawyer who provides deep knowledge and has very strong negotiation skills.’

‘Easy to reach out to; excellent knowledge of different cantonal practices; fluency in German & French. Pragmatic & solution-oriented approach.’

‘Cécile Berger Meyer & team are fast thinking & very skilled real estate lawyers; they excel at finding solutions to complex situations in a very short period of time.’

‘The team has a holistic approach to the transactions about which they advise clients, which means that, beyond the purely legal aspects, they understand and contribute to the transactions in a holistic way.’

‘The Lenz team has in-depth knowledge of the market, including a detailed understanding of the various Swiss Cantons.’

‘With Lenz, I am confident that I am getting top-flight talent and sound advice. I have worked with Beat Kühni specifically and found his guidance invaluable in navigating complex negotiations.’

‘They have wide experience, are really responsive, can work day and night when it is necessary. As far as real estate and construction matters are concerned, they have many specialists and are always aware of the new procedures or tax impact. As a major firm with many specialised lawyers in various matters, the service is global, even if the problem concerns only one subject.’

‘Cécile Berger is a lawyer I highly recommend as she always finds the time, even if it is late. She is very very efficient and clever and she can draft a solid contract in a few hours.’

Key clients


FIVE Resorts Group

Solvay SA



Work highlights

  • Advised Bain Capital Private Equity and Cinven on the CHF4.2bn acquisition of Lonza Specialty Ingredients.
  • Advised FIVE Hotels & Resorts group on the acquisition of 5-star hotel Atlantis in Zürich city, including the structuring, financing, renovation and expansion.
  • Assisted BMS (Building Materials Suisse) with the sale of a real estate portfolio, composed of 17 industrial properties located in various regions of the country.

Switzerland > Tax Tier 1

Lenz & Staehelin‘s established and versatile tax practice is especially active in tax planning, especially in corporate and finance transactions. The group is also well versed in the representation of clients in court proceedings and before tax authorities. Other areas of expertise are restructurings, relocations, social security and pension plans, as well as VAT and customs. Jean-Blaise Eckert acts as corporate and private clients tax advisor and leads the practice with tax planning specialist Pascal Hinny. Daniel Schafer is a key contact for real estate taxation. Other prominent practitioners are Heini Rüdisühli, Frédéric Neukomm and Floran Ponce.


‘Daniel Schafer and his team are very efficient and very flexible to adapt to your needs. They are easygoing, always motivated and will provide you exactly with the assistance you are looking for, even if the situation is particularly tough. Very useful in negotiations with authorities and able to adapt to surprising situations. Any day of the week, I would recommend Daniel and his team.’

‘Daniel Schafer is a very unique individual in the tax field. He’s pragmatic, result-driven and he’s not shy to try new things which is extremely valuable in this field.’

‘The firm has very solid experience in the Geneva/the Swiss market.’

Key clients

ADM – Archer Daniels Midland Company



AXA Stiftung Berufliche Vorsorge, Winterthur

Bain Capital Private Equity and Cinven

Chequers Capital

CMOC Limited


Credit Suisse

FIVE Hotels & Resorts group

Garrett Motion

Intertrust Group

Keri Medical

Nomad Foods

Rakuten Medical


Rothschild Group

Sika AG

Tetra Laval

The Carlyle Group

Transatlantic Reinsurance Company


Work highlights

  • Advised Bain Capital Private Equity and Cinven on the tax aspects of their acquisition of Lonza Specialty Ingredients.
  • Advised the ADM group, and ADM International Sàrl in particular, on the tax aspects of a restructuring to create a large nutrition division in Switzerland.
  • Acted as counsel to TransRe for all Swiss corporate, regulatory and tax aspects of the cross-border re-domiciliation.

Switzerland > Fintech Tier 2

Lenz & Staehelin acts for start-ups, established technology companies, investors and financial institutions on all legal issues regarding fintech. Clients appreciate that the unit is ‘well connected in the industry and within authorities‘ as the team is regularly active in FINMA authorisation and non-action matters as well as regulatory and compliance issues. Typical types of fintech projects which the ‘outstanding‘ team advises on concern distributed ledger technology, crypto finance, digital assets, tokenisations, robo-advisors and crowd-funding, among others. Fedor Poskriakov is ‘very knowledgeable about fintech matters‘ and heads the team together with Marcel Tranchet and Lukas Morscher.


‘Fedor Proskriakov is very knowledgeable about Fintech matters, the functioning of DLT/blockchain business models. His capital market background is clearly an asset. He seems deeply involved in the Swiss legal Fintech community. He’s definitely the person I recommend for Fintech legal advice in Switzerland.’

‘Lenz & Staehelin is unique for many reasons, in particular for their excellent legal expertise, their capacity to understand their clients’ needs and their commitment to be there for us when we need them. We are big fans of Lenz & Staehelin.’

‘Fedor Poskriakov is very responsive and always abreast of the latest developments. The team developed an extraordinary understanding of our business and activities, which gives them a strong advantage over any potential competitor.’

‘Innovative and well connected in the industry and within authorities.’

‘Outstanding team, both from an industry knowledge perspective and a technical capability. Innovative solutions and clearly ahead of the market in terms grasping what happens and how to deal with it form a legal perspective.’

‘Fedor Proskriakov has in-depth knowledge – legal and technical – and an outstanding capacity to anticipate changes and the way to apprehend them legally and regulatory wise.’

Key clients

Allfunds Bank

Capital Markets and Technology Association

Global Asset Manager/RobecoSAM

Global Financial Services Provider

Global Insurance Group

Initial Coin Offering

International Group of Exchanges


Leading US Financial Institution

Liberty Mutual

Major Insurance group

Mt Pelerin Group SA

Swissquote Bank SA

UK based client


Work highlights

  • Advised a Swiss based FINMA-regulated global asset manager on its procurement of integrated middle office outsourcing services and front office Software-as-a-Service solution on transactional, governance and regulatory aspects.

Switzerland > Healthcare and life sciences Tier 2

Lenz & Staehelin‘s practice comprises specialists from different areas: Thierry Calame is a key contact in IP- and regulatory related queries, while Harold Frey has considerable know-how in life sciences disputes. The corporate and M&A-front is also well covered with names such as Andreas Rötheli and Guy Vermeil. The instructions come from a range of clients, such as pharmaceuticals, biotechnology, medical devices, diagnostics and pharmaceutical distribution companies, as well as other organisations such as healthcare providers and academic institutions. Lara Dorigo left the firm in early 2022.


‘The team is resourceful, reliable, responsive, collaborative, competent, skilled.’

‘We have worked closely with Thierry Calame and were very happy with the support provided, in-depth knowledge, expertise, collaborative approach, strategic thinking and creativity.’

‘The team has the size and skilled members that it takes to be able to find the right lawyers for each task.’

‘Peter Ling has the required knowledge about his area of legal expertise, but most importantly he also understands the business that he is advising on. His conclusions are so accurate thanks to his business mindset.’

‘The team is knowledgeable in life science topics and is internationally well connected with various experts in the life science areas, in particular when concerning corporate and commercial issues.’

‘The individuals are knowledgeable in life science topics and can bring cumulatively many years of experience on which solutions can be proposed and implemented.’

‘Responsible, considerate, good experts.’

Key clients

Abbott Laboratories

Alcon Inc.

Alpha Health Group

Altitude Management

Bain Capital Private Equity


Chord Therapeutics


Keri Medical


Manufacture Modules Technologies

Mark Bischof and Rabah Nedir (owners of the Ardentis group)


Merck & Co., Inc.

Morgan Stanley

NovImmune SA

Obseva SA


Revance Therapeutics, Inc.

Surveyor Capital

swiss smile Schweiz AG

The Carlyle Group

Work highlights

  • Advised the underwriters JP Morgan/Morgan Stanley, Cowen and Credit Suisse on the July 2021 IPO of SOPHiA GENETICS SA.
  • Advising Pfizer on proceedings before the Supreme Court related to price recommendations related to the drug Viagra.
  • Advising Abbott in multi-jurisdictional trade mark litigation proceedings, leading to a landmark decision of the Swiss Supreme Court.

Switzerland > Insolvency and corporate recovery Tier 2

The team at Lenz & Staehelin has a strong track record in national and cross-border corporate and debt restructurings. Led by dedicated specialist Tanja Luginbühl, the practice also advises companies on preventive measures as well as on distressed M&A. It further has experience in assisting creditors with enforcing their rights against companies subject to Swiss insolvency proceedings. Through its close-knit full-service offering, it can offer clients support in variety of neighbouring areas such as dispute resolution and corporate. Counsel Roland Fischer specialises in in-court and out-of-court restructurings as well as a broad range of finance transactions. Dominique Müller has experience in contentious work.

Practice head(s):

Other key lawyers:

Roland Fischer; Dominique Müller; Anja Affolter Marino


‘Outstanding technical capabilities, relevant experience, negotiation and communication skills.’

‘The L&S team is very available and accessible. They are there when you need them (and working when you don’t know you need them). L&S get the balance right between identifying both hypothetical and practical opportunities and risks. The quality of L&S advice and advocacy is superb – clear, correct, and creative.’

‘Tanja Luginbühl leads an extremely professional client-focused team.’

‘Roland Fischer provides sound and pragmatic advice.’

‘Dominic Mueller is an outstanding advocate who understands what the court expects and needs.’

‘Roland Fischer is clearly a star of the future.’

‘The Lenz team were exceptional, extremely responsive and delivered excellent legal advice in a practical and commercial manner.’

‘Balanced and diverse team across insolvency and contentious insolvency issues. Quick adaptation to the specifics of the case. Effective use of technology for rapid exchange of information and documents.’

Key clients

Aston Martin Lagonda Limited

Agrokor d.d.

A.T.U Auto-Teile-Unger Handels GmbH & Co. KG

Bluehorn SA

BP Oil International Ltd.

Creditor of Ethical Coffee Company

Creditor of Privatair

Deutsche Bank AG

Deutsche Lufthansa AG

Garrett Motion

Lenders to gategroup Holding

ING Bank N.V. acting as agent for Senior Lenders

Innolith Group; Bluehorn SA

Major creditor of Bank Hottinger & Cie AG in liquidation

Pentland Brands Limited


Roust Corporation

Royal Bank of Scotland

Sberbank (Switzerland) AG

Sempione Fashion AG (formerly Charles-Vögele)

Suntech Power International Ltd.

Valartis Group AG

Various key creditors of Lehmann Brothers Finance AG in liquidation

Various creditors of Petroplus Holdings AG and Petroplus Marketing AG

Work highlights

  • Advised senior lenders (with ING acting as agent) in connection with the scenario analysis, structuring and implementation of the restructuring of senior lenders claims under the UK restructuring plan of gategroup with an annual turnover in excess of CHF5bn.
  • Advised Garret Motion on its Chapter 11 process.
  • Representing Aston Martin Lagonda Limited in a dispute and potential financial restructuring of a Swiss distributor.

Switzerland > Insurance Tier 2

Lenz & Staehelin offers ‘seamless service of a very high quality‘ to its broad range of insurance and reinsurance clients, including established multinational life and non-life insurers and reinsurers as well as start-ups, intermediaries, financial institutions, capital providers and regulators. The team headed by co-heads Olivier Stahler and Lukas Morscher gives regulatory, transactional and commercial advice and represents clients in claims regarding, among others, coverage disputes. A speciality of the unit are re-domiciliations and restructurings of insurance market participants as well as advice regarding run-offs. Insurance policies law and portfolio transfers are other areas of strength.


‘We received a seamless service of a very high quality.’

‘Lukas Morscher impressed with the right blend of commercial awareness and ability to explain and apply the Swiss legal and regulatory provisions.’

Key clients

Baloise Insurance Holding


Caterpillar Insurance Company


Liberty Mutual

Resolution Life

Schweizerische Mobiliar Versicherungsgesellschaft AG


Unilever Reinsurance AG

Vaudoise Assurances Holding SA

Work highlights

  • Advised a global reinsurance group of companies on regulatory and transactional aspects, structuring and negotiations for a long-term strategic collaboration for reinsurance of insurance portfolios of major Swiss insurance company.
  • Advised a Swiss group of social security institutions on the legal and regulatory aspects of negotiating and restructuring a joint venture with other major institutions for the development and licensing of core industry solutions.

Switzerland > Regulatory, compliance and investigations Tier 2

Lenz & Staehelin


‘High professionalism, reliability, availability, speed.’

‘Pragmatical approach, sound experience of the regulator (Swiss and international), open-minded and client focus approach.’

‘Professional and human at the same time.’

Switzerland > Sports law Tier 2

Lenz & Staehelin has considerable experience in advising international and national federations, associations, clubs and other institutions, as well as athletes, agents, event organizers, sponsors, broadcasters and the media. If required, the group can draw on its strong full-service offering to offer expertise in corporate, competition, IP, immigration and tax law. A strong focus is on a variety of sports disputes as well as on investigations. Xavier Favre-Bulle is an arbitration specialist. Lucien Masmejan combines tax, contractual and sports insights, and Stephan Erni is a corporate key contact. The trio heads up the team.

Other key lawyers:


‘Responsive, pragmatic advice. Good turnaround times, hard-working.’

‘The team is able to advise on a wide range of sports-related matters (regulatory, commercial, arbitration, etc.) in a timely and efficient manner.’

‘Xavier Favre-Bulle is knowledgeable in sports arbitration matters.’

Key clients

INEOS Group (Mercedes-Benz Grand Prix Limited)

International Olympic Committee

Swisscom, CT Cinetrade, Teleclub

Water Sports Tribunal

World Anti-Doping Agency (WADA)

Work highlights

  • Representing the International Olympic Committee (IOC) before the CAS Ad Hoc Division in the Agapitov matter (Games of the XXXII Olympiad in Tokyo).
  • Assisted INEOS Group with the acquisition of one third of the shares in Mercedes-Benz Grand Prix Limited, the company that owns and operates the Mercedes AMG Petronas Formula One Team.
  • Advised the National Hockey League (NHL) on its 10-year global partnership with Sportradar, a leading global provider of sports betting and sports entertainment products and services.

Switzerland > TMT Tier 2

The TMT practice of Lenz & Staehelin offers a wide range of transactional and regulatory advice, with clients including national and international telecommunication enterprises, broadcasters and regulated entities such as banks, insurance companies, securities dealers and audit firms. The firm has a particularly strong track record of advising on technology transactions and outsourcing arrangements, a specialism of practice heads Guy Vermeil and Lukas Morscher, with the the latter being cited as ‘one of the best IT lawyers on the market‘. The ‘outstanding team‘ is further adept at representing clients before regulatory authorities.

Practice head(s):


‘Quick and efficient.’

‘When meeting the team, you feel the very good relationship and interaction between colleagues, which makes you feel comfortable because you know they all will be only focused on solving your problem.’

‘Highly capable people, very good, very knowledgeable, but at the same time very nice and kind, patient and taking all the time needed to clearly explain you all legal and business issues or impact, taking the time to ‘brainstorm’ with you. Highly professional behaving like trusted friends.’

‘Solid competence under different aspects, the people are reachable, have a pragmatic way of work, demonstrate solution-oriented behavior, and offer fair price conditions.’

‘Outstanding team: business-oriented, very skilled, totally professional.’

‘Lukas Morscher is one of the best IT lawyers on the market.’

Key clients



Bank Vontobel

Banque Cramer & Cie SA

Carlo Gavazzi Group

Caterpillar Insurance Co.

China Telecom


ERNI Group


Intesa Sanpaolo

JP Morgan

Liberty Mutual

Resolution Life

Sopra Steria SE


Work highlights

  • Advised a global reinsurance group of companies on regulatory and transactional aspects, structuring and negotiations for a long-term strategic collaboration for reinsurance of insurance portfolios of a major Swiss insurance company.
  • Advised a Swiss-based FINMA-regulated global asset manager on its procurement of integrated middle office outsourcing services and front office software-as-a-service solution on transactional, governance and regulatory aspects.
  • Advised a Swiss group of social security institutions on the legal and regulatory aspects of negotiating and restructuring a joint venture with other major institutions for the development and licensing of core industry solutions.

Firm Overview:

With over 200 lawyers and offices in three major economic centres, Lenz & Staehelin is one of the largest law firms in Switzerland. Known for its high professional standards, the firm provides its domestic and international clients with a full range of services in the main areas of law. It is ranked amongst the leading practitioners in business law.

Main Areas of Practice:

Asset Management

Due to Lenz & Staehelin’s pioneering role in this area and our strong commitment to both regulatory and self-regulatory organizations, our team is a recognized market leader. Our long-standing expertise allows us to deliver highly specialized advice on all aspects of institutional asset management, investment services and products.


Lenz & Staehelin has enjoyed a leading position in international arbitration for a number of decades. Its attorneys have been involved in several hundred international arbitrations, either as counsel for a party or sitting as arbitrators. The firm has been handling disputes under the rules of all major institutions (including ICC, Swiss Chambers of Commerce, LCIA, AAA, VIAC, CAS, WIPO, ICSID) as well as ad hoc arbitration.

Banking and Finance

Advising on regulatory issues, capital market transactions, investment products and services are part of Lenz & Staehelin’s core areas of expertise. Its clients are major Swiss and international banking/financial institutions. They benefit from the firm’s experience in matters of banking/securities dealers licences, asset securitisation, securities offerings, project and structured finance, investment funds, private equity, derivatives and other financial products.

Capital Markets

Lenz & Staehelin counts a number of accredited experts for the listing of securities on the SIX Swiss Exchange. Our team delivers advisory and support services for all types of capital markets offerings, including IPOs and rights offerings, bonds, convertible bonds, covered bonds, hybrid bonds and other securities transactions.


The firm advises in all areas of competition and antitrust law, such as merger control notifications, abuse of dominance, restrictive practices, cartel investigations, dawn raids, leniency procedures and public procurement. It regularly acts in co-ordination with leading foreign law firms in complex multi-jurisdictional merger flings. Its practice also includes proceedings before the Swiss Competition Commission and competition litigation before the Swiss cantonal and federal courts.

Corporate and M&A

The firm has a leading position in domestic and cross-border private and public M&A transactions. As such it has been involved in many of Switzerland’s most important corporate deals. The firm advises, amongst others, on corporate takeovers, mergers, joint ventures, takeovers of listed companies, private equity and venture capital. Its services in corporate law include incorporation and administration of companies, corporate governance and compliance.

Employment, Pensions and Immigration

The firm advises both employers and senior employees. It draws on a long experience in all areas of private employment and public labour law, including employment agreements, bonus and stock option schemes, non-compete covenants, social security benefits, labour litigation and arbitration. It assists foreign nationals in obtaining Swiss work permits, a service underpinned by the firm’s tradition of good contacts with cantonal and federal immigration authorities.

Insolvency and Restructuring

The firm offers a leading full-service insolvency practice encompassing the complete range of issues typically encountered in complex insolvencies. It advises and represents creditors (some of which are banks or other financial institutions), liquidators, receivers in insolvency proceedings. It also provides advice to companies in need of financial restructuring.

Intellectual Property

The firm provides first-class services in all sectors of intellectual property, such as copyright law, designs and models law, licensing, geographical indications, Swiss and European patent law, trademark law, and related fields such as unfair competition. It has extensive experience in advising clients (e.g. in IP due diligence in mergers and acquisitions process) and in representing them in intellectual property-related litigation either before cantonal and federal courts or before arbitral tribunals.


Lenz & Staehelin assists clients in efficiently conducting complex internal investigations, both on their own initiative or in response to inquiries or investigations by governmental authorities, whistle-blower claims or shareholder demands. The firm’s practice covers a broad range of industries and issues (including antitrust, anticorruption, violation of banking or capital market rules, disclosure and accounting issues, tax and civil or criminal misconduct).


The firm’s litigators advise and represent clients in administrative, civil and criminal proceedings. They deal with antitrust and unfair competition litigation, banking/finance/commercial litigation, bankruptcy and debt collection, coordination of international litigation, employment disputes, enforcement of foreign judgments and awards, international legal assistance, intellectual property litigation, money laundering and white-collar crimes, real estate and construction disputes, trust and estate-related litigation.

Private Clients

This team of specialists provides corporate and individual clients with comprehensive expert advice on wealth planning and succession issues. The team includes lawyers with particular expertise in international estate planning and structuring and who are qualified under both civil law and common law systems. They offer creative advice on trust and company administration services in Switzerland and Guernsey.

Real Estate

The firm provides advice and support to commercial users, institutional investors, real estate investment funds, financial institutions, rating agencies and private clients. The practice group’s capabilities encompass all legal aspects of real estate financing, sale and lease back transactions, commercial lease and real estate development projects.


The firm’s tax department is one of the largest of any Swiss law firm with more than 25 tax attorneys most of whom are also certified tax experts. In addition to all aspects of tax planning, its services also include the representation of clients in front of tax authorities or in tax litigation, arbitration and mutual agreement procedures. It has particular expertise in tax issues related to financial products, real estate, private equity, M&A/restructurings/buyouts/relocations, in tax planning for private clients, executives and transferees at international companies, and in VAT matters.

Technology and Outsourcing

The firm offers a wide range of transactional and regulatory services in technology, media and telecom matters, with a leading position also in outsourcing (both infrastructure and BPO transactions). Services include advice on complex IT projects, hosting and ASP, data protection, eCommerce, convergence issues, public procurement, FinTech, ICT contracts and sofware licensing, strategic business alliances and joint ventures. It regularly advises important media companies and TV, radio and cinema operators on licensing, advertising and sponsorship issues.

Banking and finance Patrick Hünerwadelpatrick.hunerwadel@lenzstaehelin.com+41 58 450 80 00
Banking and finance Stefan Breitensteinstefan.breitenstein@lenzstaehelin.com+41 58 450 80 00
Banking and finance Patrick Schleifferpatrick.schleiffer@lenzstaehelin.com+41 58 450 80 00
Banking and finance Beat Kühnibeat.kuehni@lenzstaehelin.com+41 58 450 80 00
Banking and finance Roland Fischerroland.fischer@lenzstaehelin.com+41 58 450 80 00
Banking and finance Marcel Tranchetmarcel.tranchet@lenzstaehelin.com+41 58 450 80 00
Capital markets Patrick Schleifferpatrick.schleiffer@lenzstaehelin.com+41 58 450 80 00
Capital markets Matthias Wolfmatthias.wolf@lenzstaehelin.com+41 58 450 80 00
Commercial and contracts Beat Kühnibeat.kuehni@lenzstaehelin.com+41 58 450 80 00
Commercial and contracts Stephan Ernistephan.erni@lenzstaehelin.com+41 58 450 80 00
Competition Marcel Meinhardtmarcel.meinhardt@lenzstaehelin.com+41 58 450 80 00
Competition Astrid Waserastrid.waser@lenzstaehelin.com+41 58 450 80 00
Corporate and M&A Hans-Jakob Diemhans-jakob.diem@lenzstaehelin.com+41 58 450 80 00
Corporate and M&A Rudolf Tschänirudolf.tschaeni@lenzstaehelin.com+41 58 450 80 00
Corporate and M&A Stephan Ernistephan.erni@lenzstaehelin.com+41 58 450 80 00
Corporate and M&A Tino Gaberthüeltino.gaberthuel@lenzstaehelin.com+41 58 450 80 00
Corporate and M&A Matthias Wolfmatthias.wolf@lenzstaehelin.com+41 58 450 80 00
Employment, pensions and immigration Matthias Oertlematthias.oertle@lenzstaehelin.com+41 58 450 80 00
Foundations and philanthropy Tanja Luginbühltanja.luginbuhl@lenzstaehelin.com+41 58 450 80 00
Insolvency and restructuring Tanja Luginbühltanja.luginbuhl@lenzstaehelin.com+41 58 450 80 00
Insolvency and restructuring Roland Fischerroland.fischer@lenzstaehelin.com+41 58 450 80 00
Intellectual property Thierry Calamethierry.calame@lenzstaehelin.com+41 58 450 80 00
Intellectual property Jurg Simonjuerg.simon@lenzstaehelin.com+41 58 450 80 00
Investigations Marcel Meinhardtmarcel.meinhardt@lenzstaehelin.com+41 58 450 80 00
Investigations Harold Freyharold.frey@lenzstaehelin.com+41 58 450 80 00
Litigation and arbitration Harold Freyharold.frey@lenzstaehelin.com+41 58 450 80 00
Litigation and arbitration Martin Burkhardtmartin.burkhardt@lenzstaehelin.com+41 58 450 80 00
Litigation and arbitration Dominique Müllerdominique.mueller@lenzstaehelin.com+41 58 450 80 00
Private client Heini Rüdisühliheini.ruedisuehli@lenzstaehelin.com+41 58 450 80 00
Private client Stefan Breitensteinstefan.breitenstein@lenzstaehelin.com+41 58 450 80 00
Real estate Beat Kühnibeat.kuehni@lenzstaehelin.com+41 58 450 80 00
Real estate Stephan Ernistephan.erni@lenzstaehelin.com+41 58 450 80 00
Tax Pascal Hinnypascal.hinny@lenzstaehelin.com+41 58 450 80 00
Tax Heini Rüdisühliheini.ruedisuehli@lenzstaehelin.com+41 58 450 80 00
Technology and outsourcing Lukas Morscherlukas.morscher@lenzstaehelin.com+41 58 450 80 00
Martin Aebi photoDr Martin AebiCounsel
Stephan Brandner photoMr Stephan BrandnerCounsel
Stefan Breitenstein photoDr Stefan BreitensteinPartner
Martin Burkhardt photoDr Martin BurkhardtPartner
Thierry Calame photoDr Thierry CalameManaging Partner, Co-Head of Intellectual Property
Hans-Jakob Diem photoMr Hans-Jakob DiemPartner, Head of Corporate and M&A, Co-Head of Capital Markets
Simone Ehrsam photoMrs Simone EhrsamPartner
Stephan Erni photoMr Stephan ErniPartner
Roland Fischer photoDr Roland FischerCounsel
Harold Frey photoMr Harold FreyPartner, Head of Litigation and Arbitration
Tino Gaberthüel photoMr Tino GaberthüelPartner
Alexander Greter photoMr Alexander GreterPartner
Robert Heberlein photoDr Robert HeberleinSenior Counsel
Pascal Hinny photoProf Dr Pascal HinnyPartner, Head of Tax
Alexandra Hirt photoMrs Alexandra HirtCounsel
Patrick Hünerwadel photoDr Patrick HünerwadelPartner
Beat Kühni photoMr Beat KühniPartner
Fadri Lenggenhager photoMr Fadri LenggenhagerCounsel
Peter Ling photoMr Peter LingPartner
Tanja Luginbühl photoMrs Tanja LuginbühlPartner, Head of Insolvency and Restructuring
Marcel Meinhardt photoDr Marcel MeinhardtPartner, Head of Competition
Fabiano Menghini photoMr Fabiano MenghiniPartner, Co-Head of Real Estate
Lukas Morscher photoDr Lukas MorscherPartner, Head of Technology and Outsourcing
Dominique Müller photoMr Dominique MüllerPartner, Head of Investigations and Co-Head of Employment (Litigation)
Matthias Oertle photoDr Matthias OertlePartner, Co-Head of Employment and Pensions
Christoph Reinhardt photoDr Christoph ReinhardtSenior Counsel
Heini Rüdisühli photoMr Heini RüdisühliTax Partner, Head of Private Clients
Patrick Schleiffer photoDr Patrick SchleifferPartner, Co-Head of Capital Markets
Jurg Simon photoProf Dr Jurg SimonPartner, Co-Head of Intellectual Property
Franziska Stadtherr-Glättli photoMrs Franziska Stadtherr-GlättliCounsel
Marcel Tranchet photoMr Marcel TranchetPartner, Head of Banking and Finance
Rudolf Tschäni photoDr Rudolf TschäniSenior Counsel
Astrid Waser photoDr Astrid WaserPartner
Matthias Wolf photoMr Matthias WolfPartner
Number of lawyers : 224
at this office : 104
Contact : Stefan Breitenstein (managing partner, stefan.breitenstein@lenzstaehelin.com)
Other offices : Geneva
Other offices : Lausanne


While Lenz & Staehelin is acknowledged by most as Switzerland’s leading law firm, its connections and expertise span the globe.

With over 200 lawyers, its ability to innovate and adapt to the ever-changing complexities of legal and regulatory environments in Switzerland and beyond, has attracted many of the world’s top corporations as well as private individuals.