Learn more about

DQS complaint process

As a customer-oriented organization it is our goal to continuously offer the best service possible. It is crucial for us how we are perceived by our customers and other parties. Therefore we would like to ask you to share your experiences, also if it wasn't as expected. We will then contact you to work on a common solution. Please note: Fields marked with a star (*) are required information.


As a customer-oriented organization it is our goal to continuously offer the best service possible. It is crucial for us how we are perceived by our customers and other parties. Therefore we would like to ask you to share your experiences, also if it wasn't as expected. We will then contact you to work on a common solution. Please note: Fields marked with a star (*) are required information.

Learn about the DQS Complaint Process



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For DQS customers

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* Required fields


Appeals are processed in the same way as complaints, but evaluated in a nuanced manner.
Note: You may contact us via e-mail by clicking on the following image.