Aiko Koster

Partner & Head of Tax

Aiko is Service Line Leader Tax. Aiko has been working at RSM since 2004 and since 2015 he is tax partner at our Utrecht office. He has both nationally and internationally oriented companies in his client portfolio. Aiko's focus is on internationally operating (family) companies and (innovative) companies that work within the IT / ICT sector.

The other part of Aiko's portfolio consists of advising wealthy individuals. This may involve tax advice for estate planning, but also the annually recurring income tax return. Aiko is a member of the Dutch Association of Tax Advisers and gives several times a year presentations on various subjects, both inside and outside the RSM organization.