Wenger Plattner‘s wide-ranging practice spans price surveillance law, merger control proceedings and compliance programmes arising from the automotive, pharmaceutical and manufacturing sectors. Basel’s Fritz Rothenbühler and Dieter Gränicher, and Bern’s Daniel Zimmerli, jointly head up the firm’s offering.

The ‘outstanding’ competition and regulatory team at Homburger provides global corporations and investors with advice on complex merger control proceedings, cartel and dominance investigations, competition litigation and compliance matters. The team boasts deep sector knowledge across regulated industries, including technology, energy, healthcare, financial services, transport and consumer goods. Leading the practice is the ‘exceptional’ Marcel Dietrich, an expert in Swiss and EU competition and regulatory law. Franz Hoffet brings extensive experience in merger control and competition litigation, while the ‘extremely knowledgeable’ Richard Stäuber advises on investigations, merger control and regulatory matters. Andreas Burger and Allegra Arnold are further core team members.

‘Exceptional competence, rapid responsiveness and comprehensive experience’ characterise the competition law practice at Lenz & Staehelin which advises on merger control, abuse of dominance, cartel investigations, vertical and horizontal agreements and associated regulatory matters. The team is led by Marcel Meinhardt and Benoît Merkt, both recognised experts in Swiss and European competition law. Meinhardt specialises in merger control and competition matters across regulated sectors, while Merkt advises on merger control, cartel and vertical restraint cases, and regulatory matters spanning banking, infrastructure, and consumer goods. The ‘precise and pragmatic’ Astrid Waser represents clients in high-profile investigations and appeal procedures, while Sevan Antreasyan handles merger control, cartel, and infringement proceedings. Sinem Süslü is also recognised as a key contributor to the team.

Schellenberg Wittmer Ltd is particularly valued by clients for its ‘fast comprehension of complicated facts’ in competition law matters, including merger control, dominance and distribution cases, compliance programs, internal audits and civil litigation. The group is chaired by David Mamane, who is considered a ‘go-to resource’ for Swiss and European competition law, including merger control, cartel investigations and dawn raids. In January 2025, the team celebrated the promotion of Amalie Wijesundera, who advises on compliance, distribution and licensing agreements, and public procurement, alongside the arrival of Serafin Ritscher, who handles Swiss competition and administrative law matters. Tobias Magyar, promoted in July 2025, advises on complex competition investigations and administrative proceedings across the transport, postal services and energy sectors.

Competition law is a cornerstone of Walder Wyss Ltd.'s offering, with the team well-equipped to advise on merger control proceedings, competition investigations, compliance programs and internal audits. The practice serves a diverse clientele across telecoms, media, banking, retail, healthcare, transport, energy, and infrastructure. It is co-chaired by Reto Jacobs, who advises on all areas of competition law, including representation before competition authorities, complex merger filings and compliance programs, alongside Monique Sturny, whose wide-ranging expertise spans merger control proceedings and supporting companies in establishing distribution systems and negotiating cooperation agreements. In April 2025, Tamara Zeiter, an administrative law specialist, rejoined the team.

Noted for its cross-border capabilities, ‘industry knowledge’, and ‘pragmatism’, Baker McKenzie Switzerland SA‘s competition practice advises on major cartel investigations, appeal procedures, immunity applications, market dominance issues, joint ventures and distribution systems. Department heads Roger Thomi and Boris Wenger are incredibly well-versed in all aspects of Swiss and European competition law, including merger control, cartel and abuse of dominance proceedings, compliance programs, and civil competition disputes. They are supported by Meera Rolaz, who provides expert guidance at the intersection of competition, commercial and trade law.

The ‘professional’ and ‘competent’ practitioners at Bär & Karrer Ltd. advise on both standalone competition matters and those arising out of M&A transactions. Recent work includes advising clients across varied sectors such as automotive, pharmaceuticals, financial services, technology and consumer goods. Practice spearhead Mani Reinert is a ‘recognised authority’ in competition law and guides clients through cartel and abuse of dominance investigations, dawn raids, compliance programs and the management of distribution networks. He is closely supported by Martin Werner, who specialises in investigations and merger control proceedings, including the coordination of competition and investment screening.

Utilising the firm’s European network, CMS von Erlach Partners Ltd. provides multi-jurisdictional advice on competition law matters, including investigations, merger control, compliance and the structuring of distribution systems. The team is recognised for its ability to manage matters before the Swiss Competition Commission and the courts. Heading up the practice is the trio of Marquard Christen, noted for his ‘profound knowledge’ of merger control filings, abuse of dominance, and economic dependence; Patrick Sommer, who advises on merger control and post-transaction compliance; and Jérôme Levrat, who guides clients through evolving regulatory frameworks and ESG-related competition risks. Simone Brauchbar Birkhäuser is a key contributor to the team.

With a reputation for being ‘solid’ and ‘dependable’, Niederer Kraft Frey Ltd delivers comprehensive Swiss and EU competition law services, encompassing investigations, merger control, compliance and dawn raid support, as well as joint venture and cooperation agreements. The team advises leading clients across, inter alia, the retail, pharmaceuticals, banking, automotive and technology sectors. Nicolas Birkhäuser, who leads the practice, covers a wide array of competition law matters, from cartel and abuse of dominance investigations to merger control proceedings and distribution system structuring. He is strongly supported by Lukas Poschung, whose broad expertise spans competition, intellectual property, corporate and commercial law.

Praised for ‘transforming their broad knowledge into actionable advice’, Wenger Vieli Ltd advises clients on cartel and abuse of dominance investigations, merger control proceedings, distribution strategies and dual distribution systems. The practice is led by Michael Tschudin, who is ‘very knowledgeable’ on merger control proceedings, investigations, and competition compliance, with particular expertise in regulated sectors such as life sciences, energy, postal services and IT. Janica Wyss provides key team support.

CORE Attorneys is described as ‘hands-on’ and ‘very responsive’ in its work on high-profile enforcement matters, distribution systems and compliance mandates. Its clients include major Swiss and international companies across retail, luxury goods, and finance. The group is chaired by the ‘highly experienced’ duo of Mario Strebel and Fabian Koch, who focus on competition enforcement, investigations and advisory work involving distribution, market power and compliance.

Kellerhals Carrard stands out for its ‘pragmatic problem-solving and unwavering client focus’ in Swiss and EU competition and regulatory matters. Leading the practice is Daniel Emch, who exhibits proficiency in cartel and abuse of dominance investigations, merger control proceedings and private enforcement litigation, alongside Christophe Rapin, who is highly regarded for his work on structuring international distribution systems and advising on joint ventures. Daniel Lengauer further strengthens the team with his experience in merger control, cartel investigations and abuse of dominance cases.

VISCHER advises both domestic and international clients, from multinational corporations to trade associations, on competition law compliance, investigations and regulatory matters. At the helm is Klaus Neff, who is well versed in all areas of Swiss and EU competition law, including cartel and abuse of dominance investigations, as well as merger control proceedings. In June 2025 Zoe Schibler joined the team, bringing expertise in implementing distribution systems and advising on regulatory issues, following the departure of Matthias Neumann in February.

MLL Legal is regarded as a trusted advisor on vertical agreements, distribution systems and compliance matters, with particular strength in the life sciences, medtech, consumer goods, digital and manufacturing sectors. Practice head Renato Bucher exemplifies this focus and is ‘truly fantastic’ at guiding multinational companies through cross-border competition issues. In February 2025, Dominic Schopf joined the practice from IXAR Legal AG, following the retirement of Martin Ammann.

Pestalozzi’s competition practice, led by Christoph Lang and Fabian Martens, offers ‘pragmatic’ guidance on Swiss and EU competition rules, with an emphasis on advisory matters. The team also maintains a substantial compliance and training offering for large corporate groups. The practice expanded further with the arrival of Prager Dreifuss AG's Joëlle Marciano in January 2025.

Prager Dreifuss AG is recognised for its understanding of matters concerning relative market power, distribution systems and state aid. The team also handles a steady flow of cartel and conduct investigations for clients across the chemicals, construction, steel and consumer goods sectors. The practice is led by EU competition specialist Philipp Zurkinden.