Christian Schilly

Expert in corporate tax law, international tax planning, mergers and acquisitions, as well as strategy and transfer pricing. Also acts as counsel in domestic and international tax criminal proceedings. Seats on the Board of directors of several companies. He has extensive experience in banking tax law, as well as in taxation of investment structures (investment funds and corporate holdings) and commodity trading companies.

Manuel Bianchi della Porta advises entrepreneurs and companies. He assists them for their projects and when important operations are ahead (acquisitions, transmissions, restructuring, etc.). He helps them assess risks/opportunities and take difficult decisions. He is also on their side when weather turns bad. His relationship with clients is defined by personal commitment and availability. Recognized for his thoroughness, pragmatic approach and sense of priorities, he never loses sight of the...

Andrio Orler is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Andrio practices law in Geneva, Switzerland Best Lawyers has recognized Andrio Orler since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrio Orler is held by other lawyers.

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 ...

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...

Julien Witzig is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Julien practices law in Geneva, Switzerland Best Lawyers has recognized Julien Witzig since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Julien Witzig is held by other lawyers.

Patrice Lefèvre-Péaron is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Patrice practices law in Geneva, Switzerland Best Lawyers has recognized Patrice Lefèvre-Péaron since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Patrice Lefèvre-Péaron is held by other lawyers.

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...

Alexandre Richa is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Corporate Law and Regulatory Practice. Alexandre practices law in Geneva, Switzerland Best Lawyers has recognized Alexandre Richa since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alexandre Richa is held by other lawyers.

Sarah Busca Bonvin is a lawyer and tax expert specialised in both corporate and individual tax law. Together with M. Andrio Orler, she is responsible for CMS’ tax department in Geneva, which she joined in 2017. She worked for 15 years in the Geneva tax administration as Director of the tax affairs where she was responsible for tax rulings before being appointed Deputy Director-General in 2010. This experience has given her significant breadth and depth of knowledge and practice in many ...