Personally involved
with you and your company

Who is KOAS?

Renee Kunnen

As a tax consultant I study accountancy and tax-related subjects. With the acquired knowledge I can support and advise you with regard to statutory regulation, for both private and business purposes.

Hans Veen

In recent years, I have been involved as an administrator and controller in keeping administrations and drawing up (annual) reports. With this knowledge I can help gain more insight into your company.

Tax services

Our tax services cover all matters related to tax within your company. For instance: incomeand turnover tax and exemption, but also gift tax and inheritance tax. 

Administrative services

What’s the best way to manage your administration? Of course, that differs from company to company and per entrepreneur. Do you already use your administration as a tool to gain sufficient insight to do business?


What software can be employed by you as an entrepreneur to automate certain (time consuming) processes? Together we will dive into your bookkeeping and all the administrative actions your business needs to perform, to see which software suits you best.


Do you have questions about certain software, administrative actions or tax challenges? We will review the entire process to discover the hitch and then issue an advice containing an appropriate solution.


Help with filing your VAT return
149 per quarter
  • No tax-stress
  • Business insights
  • Avoid fines!


Help with year-end closing
249 per year
  • Control your own admin
  • Drawing annual report
  • All info for annual declaration

Private declaration

Help with turnover tax declaration
125 per aangifte
  • Price on request
  • Free tips and advice
  • No tax-stress

Full support

Let us take over
67 per hour
  • We do your bookkeeping
  • Administration as a tool
  • Time to do business!