
‘At the top of the food chain’, Lenz & Staehelin excels in the fields of banking, construction, trusts, and white-collar crime litigation, and is particularly well-versed in relation to complex corporate, takeover, and shareholder disputes. Steering the practice is the ’excellent’ Harold Frey, who operates for a panoply of clients on corporate and M&A mandates, and Daniel Tunik, who regularly deploys his considerable commercial and banking expertise alongside his experience in the sports field to advise global-scale clients. Other names to note in the group include Martin Burkhardt, who is well-versed across a broad range of mandates from financial services to pharmaceutical litigation, Xavier Favre-Bulle, an accomplished expert in the sectors of energy, luxury goods, and telecoms, and Dominique Müller, whose arsenal of skills is comprised of takeover and corporate litigations. Criminal law expert Miguel Oural is also recommended.
Testimonials
Collated independently by Legal 500 research team.
- ‘Professional, available, flexible and fast to adapt to circumstances.’
‘Add incredible value, extremely engaged and really fight for their clients and able to offer pragmatic and win-win solutions. Result-oriented. Able to advise on very sensitive, complex and large matters and to deliver under time pressure.’
‘Exceptional strategic thinkers. Have a very deep client and business understanding. And are extremely respected in Switzerland and abroad.’
‘Great experience with cross-practice cases, in particular in M&A and corporate matters.’
‘Harold Frey is one of the leading disputes lawyers.’
‘Harold Frey is excellent.’
‘L&S's litigation practice team is at the top of the food chain. They always add value through highly professional and efficient basic litigation work combined with innovative strategic and clever ideas. In addition, they have a deep technical and industry understanding. This combination leads to the best results without any additional burden on the in-house teams.’
‘Harold Frey is a super clever litigator who knows all the tricks of the trade. At the same time, he is always approachable and very easy to get along with. That's why he belongs to the last/most recent generation of quick-witted litigators.’
Key clients
- Bank BTG Pactual
- Implenia Schweiz
- Sika
- Sunrise Communication
Lawyers

Practice head
The lawyer(s) leading their teams.
Harold Frey, Daniel Tunik