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Belgian and International Tax Law Firm in Brussels (Belgium)

About Us

We Act Tax and 
Think Global.​

Assisting you: our role as your top law firm. And not only for Belgium.



Our Specialized Expertise, 
at Your Service

Belgian national and international matters, relating to corporate tax, individual income tax, not-for-profit entities tax and wealth planning

  Belgian Taxation

  • Tax rulings
  • Corporate and individual tax advice
  • Preferential tax regimes
  • Withholding tax
  • Estate planning

 International Taxation

  • Cross-border structuring
  • Transfer pricing
  • Tax residence and expatriation
  • Bilateral tax treaties
  • E.U. tax law
  • French Desk

 Dispute Resolution and Tax Litigation

  • Tax audit - Written protest or administrative appeal - tax litigation




Services

Tax Attorneys

Experts in Belgian and International Tax

Advisius is a premier tax law firm based in Brussels, dedicated to resolving the most complex tax challenges in Belgium and internationally. Our team of highly recognized experts assists corporations, executives, and other individuals in strategically managing their tax obligations through a tailored, proactive approach. Leveraging an extensive network of elite peers both locally and globally, we deliver seamless international representation. 

Our motto: We Act Tax and Think Global.

Thanks to our in-depth command of Belgian, European, and international tax law, we deliver innovative, forward-looking solutions that strictly align with the latest legal and regulatory developments.

Meet our team



Why Choose Advisius?

  • An independent firm specializing exclusively in tax law
  • Recognized expertise in international taxation
  • A strategic, highly personalized approach
  • A robust national and international network of legal experts, enabling us to deliver swift, seamless, and comprehensive solutions

French Desk

Discover our dedicated desk

Values

How we conceive our role

Contact

Our contact details

Tax News & Insights 

Discover our news

Stay informed on the latest tax developments in Belgium and around the world. Our attorneys regularly publish in-depth analyses of legislative reforms, case law, and administrative practices.

Contact us for personalized guidance.

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Why?


  Belgian and international  tax updates

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