Dr. Oliver Trautmann

German CPA | Tax Advisor
Partner – Frankfurt am Main

Dr. Oliver Trautmann advises multinational companies in corporate tax law. His main focus is on corporate reorganizations, international and cross-border tax law and tax support in M&A transactions. He additionally advises on tax audits and provides representation in tax audits and tax litigation. He recently oversaw the outsourcing of the entire German tax department of a globally-listed financial institution and served as in-house manager, adviser and liaison. He also led projects to develop and successfully implemented certifiable tax compliance management systems.

Dr. Oliver Trautmann spent three years at WTS as Managing Director and Corporate Tax Partner. After beginning his career in corporate finance, he joined the corporate law firm Haarmann Hemmelrath and advised mainly US large listed companies in corporate tax. Afterwards at Andersen (later EY), he advised corporations in international tax law and investors in transactions. Upon joining the German-based European law firm Noerr LLP, he set up the corporate tax department in the Frankfurt office and was co-leader of the tax M&A practice. Who’s Who Legal 2023 recommends him as leading German Corporate Tax Advisor. Best Lawyers in Germany 2025 lists him as leading advisor in tax law.

He obtained his MBA and his PhD in Tax Law at the University of Bamberg.