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Diegem, Belgium
Koen is a Partner in the Tax practice for the Financial Services in Belgium. He is an accredited tax advisor.
Koen has over 20 years of experience with financial services tax matters. He started his career at an international law firm and spent over 7 years in the industry working as a tax advisor and head of tax.
Koen operates across all areas of tax but his primary focus for more than 20 years has been on operational taxes (withholding and transaction taxes, FATCA/CRS and QI). He is an MDR/DAC6 subject matter expert. Koen has experience with large implementation and compliance verification projects working with financial institutions established all over the globe.
He has a Law Degree from the Catholic University of Leuven and a Master of Law (LL.M.) in International Finance and Tax Law from the University of London.
How Koen is building a better working world
When explaining tax requirements to clients I try to complement the advice given with actionable recommendations and implementation options that ensure regulatory compliance whilst considering operational impacts and customer experience.
koen's latest thinking
Soon a new Belgian tax regime for interest earned on savings accounts?
The EU Commission again notified Belgium about an alleged infringement to EU law by the Belgian tax regime for regulated savings accounts.
17 Jul 2023
Koen Marsoul
IRS issues final revised qualified intermediary agreements effective beginning in 2023
In Revenue Procedure 2022-43, the IRS sets forth a final, revised qualified intermediary agreement that will apply for QI agreements entering into effect on or after January 1, 2023.
09 Jan 2023
Koen Marsoul