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In disagreement with DUO

Lodge a complaint

Please contact us before lodging a complaint. We may be able to resolve your problem right away.

Complaint about our service

You can lodge a complaint about DUO’s service. For instance if you have received incorrect information. Or if you feel that you have been mistreated by DUO or one of its staff. You cannot lodge a complaint about something that happened over a year ago.

What to do

  1. Complete the complaints form or, if you prefer, write a letter. Explain clearly what happened and why you are not happy with DUO’s service. If possible, mention the date, the time, and the name of the employee that helped you.
  2. Send your complaint to:

    Klachtenfunctionaris DUO
    Antwoordnummer 392
    9700 VB Groningen
    The Netherlands

You do not need to use a stamp.

What happens next?