
TMT
Walder Wyss Ltd., which has ‘superb expertise in IT law’, regularly advises high-profile clients on a broad range of TMT issues, including cloud migration projects, AI software development, and cyber-security matters. The team is led by David Vasella, a data protection specialist who regularly adopts leading roles in compliance implementation projects and advises on issues such as data monetisation, analytics, and profiling for both domestic and international clients. Vasella is supported by a large team, spanning 4 offices across Switzerland. Michael Isler, based in Zurich, regularly advises on complex outsourcing, technology transfer and platform projects with a particular focus on the life sciences and fintech industries. Jürg Schneider heads the Lausanne office and has extensive experience in managing cross-border issues in the fields of data protection and e-commerce. Other key lawyers include Mark Reutter and Hans Rudolf Trüeb.
Testimonials
Collated independently by Legal 500 research team.
‘Best known practice for data protection topics.'
‘David Vasella acted as a coach and supported us where necessary at the beginning, trusting the capabilities of his team - kudos!’
‘Walder Wyss and its team is super responsive, hands-on and has great expertise.’
‘Lena Götzinger has superb expertise, especially in IT law, is a brilliant negotiator and is very, very reliable.'
‘The team comprises several proven experts who have in-depth industry knowledge and can adapt perfectly to their clients questions and specific issues.’
‘The team brings outstanding expertise in Swiss and international banking and finance law, consistently demonstrating exceptional precision, professionalism, and care in handling even the most challenging matters. Their advice is not only of the highest legal standard but is also grounded in practical, real-world solutions that directly address client needs. Rather than focusing on theory, the team excels at providing actionable insights, which sets them apart from their competitors. Moreover, their proactive use of modern technology to enhance client service adds significant value to their work, ensuring efficient and tailored solutions.’
‘The team is very committed, knowledgeable and responsive, always offering actionable advice. Walder Wyss is by many viewed as a leading Swiss firm in technology-related matters. They also always know about the newest technological developments and trends.’
‘David Vasella is one of the leading tech lawyers in Switzerland: both a no-nonsense advisor helping businesses drive data-driven innovation and a visionary for the future of tech regulation.'
Key clients
- ABB
- Anapaya
- Armasuisse
- Avaloq
- AXA
- Axpo
- Baxter
- Beyond Gravity (formerly RUAG)
- BKW
- Bobst
- Cembra
- Citrix
- Credit Suisse
- CSS
- Emmi
- Federal Roads Office
- FIFA
- Galenica
- Glarner Kantonalbank
- Hapimag
- Helbing Lichtenhahn Verlag
- Helsana
- Helvetia
- Hitachi Energy
- Intrum
- Kantar Media
- Kuoni
- Legartis
- Leontec Securities AG
- LGT Capital Partners
- Microsoft
- Migros
- Mobiliar
- MySmartHeart
- OTTO’S
- Sanitas
- Santesuisse
- SBB
- SGS Société Générale de Surveillance SA
- STOXX
- Swiss Federation
- Swisscard
- Swisscom
- Swiss Life AG
- Swissmedic
- Switch
- Sygnum Bank
- TX Group
- Viseca
- Zur Rose
- Zurich Insurance
- Zurich University
Lawyers

Practice head
The lawyer(s) leading their teams.
David Vasella