SWITZERLAND Trends and Developments
Trends and Developments Contributed by: René Matteotti, Manuel Ulrich, Gregor Steiner and Natalja Ezzaini Tax Partner AG Tax Partner AG is focused on Swiss and international tax law, and is recognised as a leading independent tax boutique. With 17 partners and counsel and a to - tal of approximately 50 tax experts, including attor - neys, legal experts and economists, the firm advises multinational and national corporate clients as well as individuals in all tax areas. A central focus is tax controversy and dispute resolution, including transfer pricing issues. Tax Partner AG also provides support
regarding transfer pricing studies and the preparation of transfer pricing documentation. Other key areas include M&A, restructuring, real estate transactions, financial products, VAT and customs. Tax Partner AG is independent and collaborates with various lead - ing tax law firms globally. In 2005, the firm was a co- founder of Taxand, the world’s largest independent organisation of highly qualified tax experts.
Authors
René Matteotti is a tax attorney and Professor of Law at the University of Zurich, specialising in Swiss, European and international tax law. He heads the tax controversy department at Tax Partner AG, and
Gregor Steiner has around 15 years of experience in domestic and international tax matters. He started his career at a Big Four company in 2011 before joining Tax Partner in 2020. Besides national and
his expertise includes transfer pricing and government advisory work. René represents clients before tax authorities and courts, primarily advising multinationals in complex disputes. He also regularly provides legal opinions to government bodies and business associations, and serves on the Scientific Committees of the International Fiscal Association and the European Association of Tax Law Professors (EATLP).
international corporate tax law, his activities are focused in the area of financial services, on tax advisory services for financial institutions and for collective investment schemes and their investors.
Natalja Ezzaini holds a Master’s degree in law from the University of Zurich (MLaw UZH), with a specialisation in tax law, and is a Swiss certified tax expert. She joined Tax Partner AG in 2020, where she
Manuel Ulrich has more than 15 years’ experience in tax advisory, including more than ten years in transfer pricing at Big Four companies in Germany and Switzerland. He has been working as
advises clients on all aspects of national and international tax law, from corporate tax law to tax planning for private clients. She is also actively engaged as an editor and author of the famous Swiss tax blog, “taxlawblog.ch”. Natalja also regularly speaks at tax seminars hosted by leading educational institutions, and publishes expert articles on current tax developments.
a senior adviser at Tax Partner since December 2025. Manuel focuses on transfer pricing projects, advising multinationals of different sizes and operating in a multitude of industries on transfer pricing planning, documentation, the defence of transfer pricing models, value chain restructuring, rulings with tax authorities and tax/transfer pricing due diligence. He is also a speaker at selected educational institutions.
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