Boris Vittoz

Julien Witzig is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Julien, who practices law in Geneva, Switzerland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julien is held by other top lawyers in the same geographic and legal practice area.

Thomas Goossens is an expert in the fields of banking and financial law, investment funds and corporate law. He regularly advises banks, securities dealers, financial institutions and trading companies, and assists promoters, asset managers of Swiss and foreign investment funds on regulatory matters. He also advises start-ups, entrepreneurs, investors, buyers, sellers and financial sponsors in all kinds of corporate finance deals, mergers and acquisitions, private equity, refinancing and proj...

Michel Abt is the co-head of the Tax Group and a member of the Banking & Finance Group. He advises both natural persons and legal entities such as banks, family offices and trusts, as well as investors and administrators whether in Switzerland or abroad, with a specific emphasis on asset holding structures. Since 2009, Michel Abt has been advising a large number of French clients in their regularization process and has assisted them with their tax optimisation. He thus addresses all tax m...

Olivier Sigg is a partner in the Private Clients team as well as an experienced employment lawyer. He heads our Geneva office. He is known, both in Geneva and in London, where he worked for one year, as an expert in complex crossborder matters and is regularly instructed by foreign lawyers, in particular from common law jurisdictions. Olivier Sigg’s private client practice includes various estate-planning techniques. In particular, as a TEP expert, he specialises in trusts, foundations,...

Jérôme Levrat specialises in corporate law, private equity, venture capital, M&A and commercial matters. He regularly advises funds and companies (including in the industrial, distribution, health care and life sciences, finance and energy sectors) in international and national M&A and private equity transactions, and routinely represents investors and start-ups in venture capital investments and financial rounds. Jérôme also has solid experience in regard to...

Patrick W. Vogel is a partner with Walder Wyss. He specializes in corporate law, as well as in banking and finance. He advises domestic and foreign companies on mergers and acquisitions and private equity transactions. With an education in both business and economics (HEC Lausanne) and law, he began his career by working for several years as an associate in the busy corporate finance departments of two pre-eminent US law firms in New York. Patrick Vogel has advised numerous clients on cross-b...

Etienne von Streng is a co-founder of Streng SA, a tax law firm based in Geneva, Switzerland. Etienne received his law degree from the University of Lausanne (Switzerland), was admitted to the Zurich bar, and holds a Certified Tax Expert diploma. Etienne advises on Swiss and international tax matters for companies including listed and private multinationals, high net worth individuals, entrepreneurs, and families. His expertise includes in general tax optimization, frequent negotiations with ...

Fouad Sayegh is a partner in the tax team. His expertise covers most aspects of domestic and international taxation. He regularly advises high net worth families in their relocation, wealth reorganization, asset protection, estate planning and charitable projects, which often includes tax advice in relation to trusts, private foundations and investment vehicles. In the field of corporate tax, his practice includes advising on M&A transactions, corporate reorganizations, double tax treaty ...

Partner Daniel Kinzer advises and defends businesses and individuals in regards to contentious matters in the areas of criminal law, economic criminal law, administrative criminal law, contractual and financial litigation, real estate law (public and private), employment law (public service and private law), computer law and data protection. Following his graduation from the University of Oxford (UK) with a MA in Physics and Philosophy, Daniel Kinzer obtained a degree in Swiss law and a Maste...

Partner Sidonie Morvan has 20-years experience in real estate law with a wealth of expertise in construction law, having expedited developments in both the private (real estate transactions, brokerages, contracts for architects and builders, and leases) and public (planning and construction permits) sectors. Ms Morvan regularly advises developers, architects, real-estate agents, general contractors and property owners on the day-to-day management of their businesses, and can represent them be...