Tamás Fehér

Tamás focuses on four core areas of legal practice:

- Tax Litigation & Dispute Resolution: Representing clients through all stages of Hungarian tax administration procedures, including pre-litigation strategies, objections, appeals, and judicial review before domestic courts and the Court of Justice of the European Union (CJEU).
- White Collar Crime & Defense: Advising companies and executives on allegations such as tax fraud and evasion, overseeing internal investigations, and providing robust defense in criminal and administrative proceedings.
- International Tax Advisory: Structuring cross-border transactions, interpreting tax treaties, and ensuring fiscal compliance for multinational clients.
- Proactive Tax Planning: Designing optimized tax structures for mergers and acquisitions, IP migrations, and financing arrangements while minimizing tax risk.

Tamás has developed his expertise through senior roles at leading international and domestic law firms:

- Partner, Jalsovszky, Budapest (2014–Present): Leading the firm’s dispute resolution practice, managing high-stakes disputes, and coordinating multi-jurisdictional matters across Europe, North America, and Asia.
- Senior Associate, CMS Bureau Francis Lefebvre, Paris (2011–2012): Gained cross-border experience in EU VAT law and international double taxation treaties.
- Senior Associate, CMS Cameron McKenna LLP, Budapest (2004–2014): Defended clients in complex domestic and cross-border tax disputes and developed foundational expertise in corporate VAT matters.

One of Tamás’s recent notable cases includes representing Hold Alapkezelő Zrt. in a high-profile dispute against the Hungarian National Bank regarding fund manager remuneration, culminating in a successful defense before the European Court of Justice. He has also acted in numerous landmark tax litigation cases involving the Hungarian Supreme Court and the CJEU, influencing Hungarian tax jurisprudence and EU-level interpretation. He also regularly appears in arbitrations, either as party representative or as arbitrator, also appearing on the roll of arbitrators at the Court of Arbitration attached to the Hungarian Chamber of Commerce and Industry.

- Tax Advisor Qualification, Hungary (2010)
- Hungarian Bar Exam (2008)
- LL.M. in International Tax Law, Vienna University of Economics and Business (2007)
- JD, Faculty of Law, Eötvös Loránd University (ELTE), Budapest (2004)

He is also a member of the International Fiscal Association (since 2011) and was a regular participant in the European VAT Club for several years (2009–2014).

Tamás is ranked as a Band 1 Leading Individual for Tax by Chambers Europe and recommended as a Leading Partner by The Legal 500. He regularly publishes thought leadership articles on Hungarian and EU tax law and has contributed to internationally recognized tax law literature, including:
- Tax Secrecy and Tax Transparency (Peter Lang, 2013)
- Highlights & Insights on European Taxation (Kluwer BV, 2009–)
- Conflicts of Qualification in Tax Treaty Law (Linde Verlag, 2007)