CMS von Erlach Partners Ltd. combines expertise in real estate development, investment, leasing and regulation. Co-led by Stefan Gerster, Sibylle Schnyder, Sidonie Morvan, and Thomas Zweifel, the latter promoted to partner in January 2025, the practice advises institutional investors, developers, corporates and private clients on major transactions and projects across Switzerland. Gerster and Zweifel focus on complex portfolio deals and development projects, Schnyder advises on acquisitions and financings, while Morvan leads in French-speaking Switzerland on public law regulatory matters.
Legal 500 Editorial commentary
Accolades
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- 'Thomas Zweifel, in particular, exemplifies the firm’s strengths. He is highly responsive, focused and consistently places the client’s interests at the forefront. His work in M&A and real estate law is marked by a rare combination of technical excellence and commercial insight, allowing him to navigate intricate deals with clarity and precision.'
- 'The team brings a collaborative mindset to every matter, drawing on cross-disciplinary knowledge to address legal issues holistically.'
Key clients
- Swiss Prime Anlagestiftung
- UBS Investment Foundations 4 and 5
- Swiss Prime Investment Foundation
- Swiss Central City Real Estate Fund
- Swiss Prime Site Immobilien AG
- Allianz Lebensversicherungs-Gesellschaft
- Allianz Versicherungs-Gesellschaft
Work highlights
Represented Room Mate Hospitality & Leisure on the acquisition of Geneva’s Hotel Marmont via share deal, including the renegotiation of long-term lease agreements.
Assisted UBS Fund Management Switzerland AG on over 30 real estate sales by its funds in 2025.
Advised a global IT company on its Swiss office expansion, including three new lease agreements, renewals, amendments and an early termination.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Sibylle Schnyder; Sidonie Morvan; Stefan Gerster; Thomas Zweifel
Other key lawyers
Michelle Lindenmann; David Hofmann