G. Zeyen Tax & Law Office is a boutique tax law firm based in Brussels, led by Gaëtan Zeyen, Doctor in International Tax Law and member of the Brussels Bar since more than 25 years.
G. Zeyen Tax & Law Office provides high-level advice and representation to entrepreneurs, multinational groups, high-net-worth individuals, family offices, artists, and non-profit organisations in Belgium and internationally.
Our core expertise covers :
- Personal and Corporate Income Tax
- VAT
- International tax planning and treaty optimisation
- Tax treaty interpretation and residency conflicts
- Transfer pricing and profit allocation
- Wealth structuring (trusts, foundations, family companies)
- Corporate reorganisations and M&A taxation
- Real estate taxation
- Tax litigation and dispute resolution (administrative and judicial)
Why work with us
G. Zeyen Tax & Law Office combines technical precision with pragmatic, business-minded solutions, always prioritising legal certainty, efficiency and ethical standards.
