Department profile
Lenz & Staehelin

Competition/Antitrust

Europe Guide 2026 : Switzerland


Lenz & Staehelin

Rankings

About

Provided by Lenz & Staehelin

Clients come to Lenz & Staehelin for advice on the complete range of antitrust/competition, regulatory and trade issues spanning merger control and joint ventures, restrictive practices, market dominance, cartel investigations and related litigation, market/sectoral investigations, competition litigation, licensing and distribution, intellectual property, liberalization, public procurement and trade/WTO matters.

Lenz & Staehelin's Competition law group is one of the largest in Switzerland, unique in terms of national footprint. It is one of only very few firms in the country with the resources to handle the most complex mandates. Its extensive and varied expertise places the firm at the forefront of Swiss competition law. The team is widely and consistently recognized to be part of Switzerland's competition law elite and has a proven track record of successfully steering clients through the largest transactions, closely watched investigations and high-stakes litigations in Switzerland.

Lenz & Staehelin also advises financial institutions on both the antitrust/competition aspects of corporate deals as well as in contentious matters in courts throughout Switzerland. We represent clients in particular before the Swiss Competition Commission, the Swiss Price Supervisory Office and in civil litigation in cantonal and federal courts in Switzerland.

Industries (18)

  • Automobiles & Parts
  • Banks
  • Construction & Materials
  • Consumer Product Manufacturing
  • Energy
  • Financial Services
  • Food & Drink Producers
  • Government
  • Insurance
  • Media
  • Pharmaceuticals & Life Sciences
  • Retail
  • Software & Computer Services
  • Sports
  • Technology, Hardware & Electronics
  • Telecommunications
  • Transportation
  • Utilities

Chambers Review

Provided by Chambers

Competition/Antitrust - Switzerland

Band 1

Band 1


What the Team is Known For

With competition lawyers in both Geneva and Zürich, Lenz & Staehelin stands out as one of the top law firms in Switzerland for competition law mandates. The team frequently represents clients in high-profile behavioural investigations, as well as advising on subsequent damages actions. It is also highly regarded for its ability to assist with merger clearance mandates. The law firm remains a popular choice for clients from the financial services and TMT sectors.

Work Highlights

Provided by Chambers

  • Lenz & Staehelin advised Madrigall on an investigation into an alleged abuse of relative market power.

Strengths

Provided by Chambers

  • They stand out for their deep expertise in competition law and strong, business-oriented approach. The lawyers don’t just give legal advice – they make sure it fits the client’s commercial goals.

    Competition/Antitrust respondentEurope
  • The team have top business acumen. They are involved in all the big proceedings so the amount of expertise is immense, and the lawyers are extremely responsive. They always deliver top-quality work.

    Competition/Antitrust respondentEurope
  • We appreciated the rapid and highly competent analysis of facts, legal options and risks, combined with the presentation of practical solutions to best represent our interests.

    Competition/Antitrust respondentEurope
  • We greatly appreciate the very personal exchange and relationship.

    Competition/Antitrust respondentEurope
  • The team took our business needs into consideration at an early stage when providing advice.

    Competition/Antitrust respondentEurope

Notable Practitioners

Provided by Chambers

  • Band 1Marcel Meinhardt
    Band 1Marcel Meinhardt

    Marcel Meinhardt

    One of the leading individuals in the Swiss competition law market, Marcel Meinhardt stands out for his ability to represent clients in high-profile investigations into possible cartels and allegations of resale price maintenance, and to advise on subsequent damages actions. He also offers notable experience in merger control filings.

    • Marcel Meinhardt is an absolute expert in his field. He provides swift advice and stands out by addressing the key questions from the business side.

      Competition/Antitrust respondentEurope
    • His expertise in the field and knowledge of the sectors in which our company is doing business is unmatched.

      Competition/Antitrust respondentEurope
    • Marcel Meinhardt is one of the top lawyers I have worked with. He is very pragmatic and knowledgeable and has good relationships with the Swiss authorities.

      Competition/Antitrust respondentEurope
    • He has great expertise and amazing experience, and he impresses with his business orientation.

      Competition/Antitrust respondentEurope
    • He is simply an outstanding expert in his field. Working with him is very pleasant, the quality of his work is very high, he's always on time, and I greatly appreciate his expertise and knowledge.

      Competition/Antitrust respondentEurope
  • Band 2Benoît Merkt
    Band 2Benoît Merkt

    Benoît Merkt

    The Geneva-based Benoît Merkt is particularly active in investigations into alleged anti-competitive behaviour, such as cartels and abuses of market power. He also assists clients with merger control filings and competition law compliance mandates.

    • Benoît Merkt's understanding of competition law issues is excellent.

      Competition/Antitrust respondentEurope
    • He is an exceptional individual, I would thoroughly recommend him.

      Competition/Antitrust respondentEurope
    • He makes complex issues clear, tailors his guidance to our needs, and is highly responsive and proactive.

      Competition/Antitrust respondentEurope
  • Band 3Astrid Waser
    Band 3Astrid Waser

    Astrid Waser

    Astrid Waser advises clients on obtaining competition law clearance for proposed mergers. She also has experience representing clients in Competition Commission investigations into alleged abuses of dominance or cartels, and in market inquiries.

    • She is highly appreciated.

      Competition/Antitrust respondentEurope
    • Astrid Waser is pleasant to deal with.

      Competition/Antitrust respondentEurope
    • She is very knowledgeable so it is good because you can rely on her advice. She is quick and really good to work with.

      Competition/Antitrust respondentEurope
  • Associates to watchSinem Süslü
    Associates to watchSinem Süslü

    Sinem Süslü

    Senior associate Sinem Süslü assists with COMCO investigations and damages actions, as well as merger control proceedings. She has a number of clients from the financial services and transport sectors.

    • Sinem Süslü is a rising star with high business acumen and great responsiveness, and she is always on point with her advice.

      Competition/Antitrust respondentEurope
    • I personally really appreciated working with her. Her quality and understanding are excellent and truly a great asset.

      Competition/Antitrust respondentEurope
    • She gave me a good impression that she is knowledgeable and at home on merger control mandates.

      Competition/Antitrust respondentEurope
    • She is a very good upcoming talent.

      Competition/Antitrust respondentEurope

Ranked Individuals at Lenz & Staehelin (4)

Switzerland

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