Homburger demonstrates an ‘exceptional command’ of data protection, privacy and regulatory compliance frameworks. Its clients range from global corporations in TMT, travel, hospitality, and retail to banks and insurers. The practice is spearheaded by Gregor Bühler, who earns praise for his ‘deep technical understanding’ of cross-border data protection, privacy and regulatory issues, and Luca Dal Molin,, who provides counsel on data privacy and regulatory compliance in litigation, arbitration and advisory matters across the tech and insurance sectors. They are supported by Kirsten Wesiak-Schmidt, recognised as ‘very competent’ in Swiss and EU data protection, privacy compliance and IT/IP law.

MLL Legal‘s data protection and privacy practice is recognised for its expertise across regulatory, compliance and technology-driven mandates. Co-led by Lukas Bühlmann and Nicola Benz, the ‘energetic, highly efficient, and well-coordinated’ team advises clients on Swiss and international data protection, digital transformation, cybersecurity and IP/IT regulatory compliance across sectors including TMT, life sciences, financial services, healthcare and public policy. Central to the practice is Michael Reinle, who is ‘outstanding’ in complex privacy matters, such as cross-border data transfers, collaboration platforms and surveillance systems. Michael Schüepp provides critical support. The team added Gabriel Privat to its ranks in September 2025.

‘Always ahead of the curve’, VISCHER advises on data management, privacy compliance and regulatory obligations. The department is headed by David Rosenthal, a ‘luminary’ in data protection, technology and AI law, including GDPR, AI compliance, cloud and IT contracts and cross-border data transfers. The practice benefits from the expertise of Rolf Auf Der Maur, who counsels multinationals on digital, licensing and regulatory matters, and Samira Studer, who focuses on cross-border projects, cloud migrations and regulatory governance. David Koelliker specialises in data protection and privacy law, with a strong emphasis on technology and legaltech.

Walder Wyss Ltd. advises Swiss and international clients across a wide range of sectors, including retail, finance, healthcare, public administration, technology and research. The team provides guidance on compliance with Swiss and European data protection laws, including GDPR, in addition to assisting with matters of AI governance, cloud outsourcing and regulatory obligations. Department leader Roger Staub is widely recognised for his proficiency in IP, technology contracts and related litigation. David Vasella advises on diverse data protection matters, including compliance implementation, IT projects, and cloud outsourcing. In September 2024, Sigma Legal‘s Alain Alberini and Vincent Pfammatter joined the team, focusing on IP, innovation, cybersecurity and data protection, while Didier Sangiorgio departed in December.

Clients across the pharmaceuticals, telecoms, banking and automotive sectors turn to Baker McKenzie Switzerland SA for advice on data protection, privacy, and related matters of technology law. The ‘responsive and helpful’ team provides guidance on GDPR, international data transfers and AI-related data processing matters. Alessandro Celli, who heads the team, focuses on Swiss data protection and GDPR compliance programs, and advises on fledgling technologies within the digitalised global economy. Johanna Mösch possesses an ‘incredible’ grasp of data protection and IT law, including cybersecurity, outsourcing and data processing in employment, retirement and healthcare contexts.

Bär & Karrer Ltd. is ‘proactive on emerging topics such as AI’, and also on digital transformation, outsourcing projects, data breach management and risk and impact assessments. The group is co-chaired by Christian Kunz, an expert in data protection, cybersecurity, and technology law, with experience in cybercrime, data strategies, and data monetisation, and Corrado Rampini, who advises on data protection due diligence in M&A and capital markets transactions, as well as on the Swiss Data Protection Act and data transfers within international corporate groups. Jonas Bornhauser and Rehana Harasgama left the practice in April and June 2025, respectively.

Eversheds Sutherland AG has built a distinctive data protection practice, with a focus on national digital infrastructure projects, cybersecurity governance, regulatory compliance and cross-border data management. The team is active across emerging technology areas, including AI, cloud services, robotics and blockchain. Markus Naef chairs the group, offering counsel to multinational organisations on privacy compliance and risk frameworks. He is supported by Oliver Scharp, whose work spans privacy governance and cybersecurity matters, and by Nadine Zollinger, who joined the team in 2024 and brings additional regulatory expertise, in particular in relation to the telecoms sector.

Id Est Avocats Sàrl helps clients safeguard sensitive information while supporting commercial growth, providing counsel on innovative projects, risk assessments and compliance frameworks. The ‘highly competent’ group is helmed by Michel Jaccard, who primarily focuses on technology, innovation and digitalisation projects, and Alexandre Jotterand, who specialises in technology and digital innovation in both the public and private sectors, including AI and blockchain, as well as IT law, data governance and privacy and cybersecurity.

Lenz & Staehelin is geared to support clients across multiple sectors, such as financial services, healthcare, and industrial operations, on technology, outsourcing, and digital transformation. The team provides counsel on data protection, privacy, cloud solutions, IT contracts, and compliance frameworks. The department is led by a trio: Guy Vermeil, who advises on domestic and international IT and outsourcing transactions, particularly the in banking sector; Lukas Morscher, a specialist in technology, financial services and business sourcing; and Jürg Simon, who handles a mix of privacy, IP and competition law. Nadja Guberan-Flühler departed from the firm in July 2024.

Niederer Kraft Frey Ltd offers ‘up-to-date specialist knowledge’ to organisations across a number of industries looking to adopt new digital tools, manage sensitive data and adapt to evolving data protection requirements. The group is led by András Gurovits, whose practice covers technology law, including IT, telecoms, data privacy and security and industrial projects, and Clara-Ann Gordon, who focuses on data protection and TMT matters, advising on outsourcing, compliance and investigations. Janine Reudt-Demont continues to assist clients in maintaining compliance with data protection regulations, while Luisa Egli qualified into the team in May 2025.

Schellenberg Wittmer Ltd’s ICT and data practice counsels clients through technology, data protection and regulatory challenges. The team advises trade associations, financial institutions, industrial groups, insurers and technology companies on implementing Swiss data protection requirements, assessing AI use cases and managing data-intensive projects. The practice is headed by Roland Mathys and Stéphanie Chuffart-Finsterwald, both well-versed in the ICT and TMT sectors, who advise on data protection, outsourcing, cloud projects, software and digital platforms, emerging technologies, and on responses to cyber incidents.

Binder Rechtsanwälte KLG has developed a broad and versatile data protection, IT law and emerging technologies practice. Since assuming leadership of the practice in July 2024, Marco S. Meier has brought to bear his extensive experience in implementing data protection frameworks under Swiss law and GDPR, while also advising on AI development and risk management issues.

Bratschi Ltd’s data protection practice is comprised of ‘standout experts’ and is regarded for its focus on regulated industries. The group is co-led by Adrian Bieri, a data protection and privacy compliance specialist with expertise in the healthcare and other regulated sectors, and both day-to-day and strategic privacy matters, and Adrian Wyss, a technology transactions and outsourcing expert known for advising on digital transformation and IT infrastructure projects. Bryan Awah Kempf, whose practice combines data protection and copyright expertise, joined the team in September 2024.

CMS von Erlach Partners Ltd.’s data privacy and TMC practice advises clients across the technology, finance, healthcare and consumer sectors. Led by Dirk Spacek, the team is active in privacy matters, regulatory frameworks for emerging technologies and ongoing compliance work. Spacek himself is sought after for his experience in handling data-centric disputes, including those stemming from incidences of cyber crime. The practice’s mandates also span digital regulation, cloud and platform governance and cross-border data management.

Kellerhals Carrard advises clients across finance, technology, and life sciences on Swiss and cross-border regulatory demands. Its work spans compliance frameworks, multinational data flows, digital transformations, cloud adoption and AI governance. Daniel Alder, Daniel Emch and Nicolas Mosimann lead the team. They are well-supported by Rehana Harasgama, a specialist in both data governance and cyber-security matters, who joined the practice from Bär & Karrer Ltd. in August 2025, and the ‘very knowledgeable’ Cornelia Stengel, who assists fintechs facing data-related regulatory investigations.

MME Legal | Tax | Compliance fields an innovative data privacy and TMT practice, with a client base that spans global technology leaders, major financial institutions and Web3 ecosystems. Led by Caroline Gaul, the team advises on digital regulations, blockchain infrastructure, cyber readiness, AI governance and other data and technology mandates.

OBERSON ABELS SA's data protection offering is geared towards financial services and pension institutions. The team possesses regulatory knowledge, experience in GDPR implementation, and a distinct niche in pension fund privacy. The department is headed by Antoine Amiguet, commended as ‘an excellent adviser’ on data privacy and data protection matters. Philipp Fischer left the firm in July 2025.

Pestalozzi handles a steady flow of mandates involving privacy frameworks, data transfers, digital processes and emerging technologies. Practice head Michèle Burnier is well-versed across data protection, advertising and e-commerce, as well as unfair competition, IT and intellectual property matters. She is amply supported by the regulatory and competition-focused Joëlle Marciano, who joined the practice from Prager Dreifuss AG in January 2025.

Valfor Attorneys-at-law‘s data protection work centres on supporting organisations in adapting to Swiss data protection requirements, managing everyday privacy risks and responding to cyber incidents. The group also provides data and tech input on M&A transactions and works closely with clients in regulated sectors such as healthcare, telecoms and financial services. Data privacy and cyber-security specialist Leo Rusterholz chairs the group. In January 2025, Jean-Michel Clerc and Deborah Hondius joined the practice from legacy firm Mercuris Avocats and LALIVE respectively, following the departure of Stephan Hofer in December 2024.

Wenger Vieli Ltd demonstrates strength in data privacy and data regulation matters, acting on a broad array of cross-border challenges for technology innovators, financial institutions and industrial groups. Its offering spans transactional data issues, compliance projects, cyber incidents and operational advisory work. Practice spearhead Claudia Keller possesses a mix of data, TMT and IP expertise.