Mr Guy Vermeil > Lenz & Staehelin > Geneva, Switzerland > Lawyer Profile

Lenz & Staehelin
1211 GENEVA 6

Work Department

Technology, Media & Telecoms, Outsourcing (ITO, BPO transactions), Corporate and M&A, Bankruptcy and Reorganization of Distressed Companies, Commercial and Contracts, Private Clients


Guy Vermeil is managing partner of Lenz & Staehelin in Geneva since 2012. Head of the practice group TMT and Outsourcing in Geneva, he is also an expert on corporate and M&A (including restructuring of distressed companies and moratorium procedures), as well as private clients. Guy Vermeil advises regularly on international and domestic transactions.


Admission to Geneva Bar (1988), Admission to New York Bar (1990), Associate at Lenz & Staehelin (1991), Partner at Lenz & Staehelin (1997)


French, English, German


Geneva Bar Association (OdA), Swiss Bar Association (SAV), International Bar Association (IBA), Association Genevoise de Droit des Affaires (AGDA), Member of the Council of the Geneva Bar Association (since 2007)


University of Geneva (lic. iur. 1984), Duke University School of Law, Durham, North Carolina (LL. M. 1989)

Lawyer Rankings

Switzerland > Commercial, corporate and M&A

Lenz & Staehelin‘s ‘highly recommended, hands-on‘ team stands out for its ‘very thorough levels of preparation‘ and ‘impeccable integrity‘, ‘combining exceptional lawyers with tremendous collegiality and client service‘. Focus areas include private and public M&A, corporate governance, and private equity transactions. In a recent highlight, ‘world-class M&A lawyer‘ Hans-Jakob Diem assisted Saudi Basic Industries with its upcoming 24.99% share capital acquisition in Clariant. Rudolf Tschäni is another key practitioner, while clients further recommend ‘extraordinarily smart‘ Tino Gaberthüel; ‘committed‘ Beat Kühni, who has ‘an encyclopaedic knowledge‘; ‘clear, proactive and quick‘ Stephan Erni; as well as ‘efficient and flexible‘ Geneva-based Guy Vermeil.

Switzerland > TMT

Lenz & Staehelin is renowned for its transactional, contractual, licensing, regulatory, e-commerce, advertising and outsourcing experience, including longstanding expertise in the banking sector. In recent work, Lukas Morscher assisted a global banking group with the regulatory and transactional aspects concerning intra-group hosted data platform solutions. Transactions partner Guy Vermeil is the main contact in Geneva.