Olivier Bétrisey

Office : Geneva
Service : Audit & assurance

Founding partner of RSM in Geneva, Olivier Bétrisey started his professional career with PwC in Geneva in the Audit Business Advisory Services department. He then joined NovImmune SA, a Geneva-based biotech start-up, where he set up the finance and administration department.

Following this, he co-founded RSM in Geneva to offer to his clients his expertise as an auditor and certified public accountant. Olivier developed a large know-how in auditing through his experience of auditing large international and Swiss groups as well as with local mid- market companies. He audited companies presenting their financial statements in accordance with a variety of standards (IFRS, US GAAP and Swiss standards). Graduate and post-graduate from HEC, University of Geneva and a US Certified Public Accountant, Olivier was also the lecturer of Prof. Bernard Raffournier (HEC, University of Geneva) during his academic career.


Tax reform on Swiss employment withholding tax: what’s new in 2021?

The new Federal Law on withholding tax on employment income will enter into force on January 1st, 2021 and includes a whole series of new provisions. What new challenges will Swiss taxpayers and employers have to face and how to best be prepared for it? We provide you hereafter with the key elements of the reform. The ultimate rational behind th...