Contact

We are available for you 24/7. Find here our contact details and where we are located.

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For surveys within the Netherlands and Belgium, please contact

Expertisebureau Harmsen & De Groot B.V.
Marconistraat 33
3029 AG Rotterdam
The Netherlands

For quality controls, please contact

Expertisebureau Harmsen & De Groot B.V.
Marconistraat 33
3029 AG Rotterdam
The Netherlands

For international claims, please contact

HDG International
Marconistraat 33
3029 AG Rotterdam
The Netherlands

Out of office hours

+31 10 244 14 14