Fabian Birnbaum

His practice focuses on international tax structuring, corporate taxation, mergers and acquisitions, and transfer pricing. He has deep experience in high-net-worth individual tax planning, as well as in the taxation of venture capital, startups, and the digital and sports economy. Fabian regularly assists clients with tax treaty interpretation, withholding tax matters, and the design of efficient holding and operating structures across jurisdictions.

Fabian Birnbaum is the Founding Partner of FBM Advisory, a boutique firm specialized in strategic tax advice and international structuring. With over 20 years of experience, he advises multinational groups, high-net-worth individuals, investment funds, and startups on complex cross-border tax matters, regulatory compliance, and fiscal planning.

Fabian holds an LL.M. in International Tax Law from the London School of Economics and Political Science (LSE). He is a frequent speaker at leading tax conferences, including IFA and ABA events, and has been interviewed on television and radio for his insights on taxation and fiscal policy. He also writes regularly for national newspapers, offering thought leadership on the intersection of tax, competitiveness, and public policy.