Oliver Köster

Audit & Assurance


Oliver Köster

General-Guisan-Quai 38

8022 Zurich


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Oliver leads the Assurance Services practice in Switzerland, specialised in providing interim solutions and audit related advisory services. He has over 20 years of experience in IFRS and US GAAP financial reporting and is a specialist for standard implementation and GAAP conversion projects, M&A and IPO transactions as well as investor communications. His background includes auditing and advising large scale listed companies as well as family owned businesses with a particular focus on the pharmaceutical & chemical, media & technology and real estate & leisure sectors. In addition to publishing numerous articles around financial reporting, Oliver also holds lectureships in financial reporting and financial analysis at the University of Applied Science in Worms and at the University of Zurich.