Complaints procedure

Do you have a complaint about our services? Please let us know as soon as possible. We attach great importance to handling possible complaints about our services quickly and correctly. We would like to provide you with the best possible service and your comments or remarks are great opportunities for us to improve ourselves.

How can you submit your complaint?

We request that you contact our customer service. We are available every working day between 09:00 and 17.30 on phone number +31 (0)85 13 05 435. In addition, you can choose to send an email to or to send a letter to the address below:

CMC Worldwide B.V.
P.O. Box 23619
1100 EC Amsterdam
The Netherlands

In order to provide you with the best possible service, we ask you to always include your case number and/or personal data in the letter. In addition, it is important that you clearly state what your complaint is about. For example, indicate what exactly happened and on which date this took place. This way, we can process your complaint faster.

What can you expect from us?

We will send you a confirmation of receipt within one working day of receiving your complaint. In this confirmation, we indicate that you will receive a substantive response from us within 5 working days. In the meantime, we will investigate the complaint, study the case and (if necessary) question our colleagues involved.

Have we not been able to help you satisfactorily?

If, after the internal handling of your complaint, you object to the manner in which the complaint was handled and/or to the advice, you can contact the NVI via or start legal proceedings.