Contact us

Couldn't find the answer to your question in our FAQ section? Then feel free to contact us via the contact form below or phone: +49 (0)221 / 25997921.
The above-mentioned landline number for communication towards the Service Provider “GSI and partners“ is available Monday – Friday from 9:00 – 18:00 CET. In urgent cases you can also call outside of office hours, but please also use other available communication channels like E-mail: Thank you.

Technical Support
For technical issues regarding the functionality of the website please contact the IT support: or via phone: +49 (0)221 / 139319-0.
(Monday to Friday, 09:00 to 18:00 hrs CET)