At the 2021 Annual General Meeting, the audit firm Deloitte AG, Zurich, Switzerland, was elected as the company’s auditor. Matthias Gschwend is the lead auditor. 

The audit firm is recognized and supervised by the Swiss Federal Audit Oversight Authority (FAOA). Matthias Gschwend is a certified public accountant and member of EXPERTsuisse: the Swiss Expert Association for Audit, Tax and Fiduciary.