*AV Legal Services SRL



Cell: +32  489 68 14 13

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Adrien Vaessen

Adrien specializes in advising on domestic and international corporate tax law with respect to M&A, reorganisations, as well as private equity and day-to-day operations of Belgian (listed) companies. Adrien has also advised on the tax treatment of feeder and/or carried interest structures of investment funds

Besides, he has particular expertise in the field of transfer pricing (including litigation, benchmarking and compliance). 

Adrien also assists individuals with respect to financial income and complex foreign investment structures.

Adrien is a member of the Brussels Bar since 2021. 

Before joining Advisius, he worked  in top-tier law firms.

Adrien speaks French, English, Dutch and Spanish.

Adrien’s academicals are law (ULB) and an LL. M. in European and International Tax Law ( University of Luxembourg), and Solvay Business School (ULB). He also performed an exchange in the LL. M. in global legal practice in Tokyo (University of Keio). 

He is the author of some publications as : 

  • “Transfer Pricing – Belgian case law on shareholder loan financing”, lexology, December 2022


  • University of Brussels (ULB), Law
  • European and International Tax Law from the University of Luxembourg, LL. M.
  • Solvay Business School, Tax


  • French (native)
  • Spanish (native)
  • English
  • Dutch