Yann Santschy

Partner Tax & Legal, Certified Tax Expert

About Yann

Yann joined RSM in September 2012 as a trainee and quickly demonstrated a strong ability to handle complex tax matters, identify key issues, and deliver high-quality client service. His technical expertise, analytical mindset, and proactive attitude enabled him to progress rapidly within the firm.

He obtained his Certified Tax Expert Diploma in 2018 and was promoted to Director in 2022.

Since July 2025 Yann was promoted Partner. In this role, he is now responsible for leading our Lausanne tax office and actively contributes to the growth of our Geneva Corporate and Private Client Services (PCS) practice.

Yann holds a Bachelor's degree in Economics and a Swiss Federal Diploma as a tax expert. He specializes in Swiss and international corporate and individual taxation, with experience covering a broad spectrum of taxes, including income and wealth tax, real estate gains tax, pension benefit taxation, capital tax, withholding tax and stamp duties.

He is also highly experienced in preparing tax due diligence reports, VAT and corporate tax memoranda. He is responsible for inheritance tax matters in Switzerland and is a member of both the Private Client Services and Inheritance Tax working groups at RSM.

Known for his technical precision and client-oriented approach, Yann has developed strong relationships with financial intermediaries, asset managers, and family offices. He is also actively involved in management, coaching, and business development. With the support of the team, he continues to expand our PCS and Corporate Tax offering in Western Switzerland, working in close collaboration with our other service lines

Experience & Skills

Expertise and experience in executing international transactions within corporate groups from the perspective of corporate income tax, stamp duties, withholding tax, and VAT.
Mergers and acquisitions, advisory services for sellers and buyers (Swiss and/or cross-border), tax due diligence for sellers or buyers.
Expertise and experience in assisting High Net Worth Individuals (HNWIs) with income and wealth tax matters, as well as gift and inheritance taxes, including tax planning and real estate transactions.