About us

Onestop30Percent, part of onestopTax is headed by Ashwin Dwarkasing and Allard Roeper. OnestopTax was formed in 2009 with the intention to make the tax preparation process for expatriate employees fully personal.

This personal approach makes the preparation process a lot more enjoyable for you. And for us. 

� over 25 years of experience in Expat Taxation;

� expert knowledge of Dutch Income Tax; 

� expert knowledge of US Income Tax; 

� added value through personal approach to service; 

� one contact person; 

� personal attention; 

� high service level; 

� competitive fees.