Getting in touch with GBB-Rating

If you have any questions concerning our rating procedures, or wish to find out more about our services for deposit protection schemes, analysis services, or the GBB Platform, we will be pleased to arrange a personal appointment.

Registered office

Kattenbug 1
50667 Cologne


Postal address

Gesellschaft für Bonitätsbeurteilung mbH

Postfach 10 27 36 (letter post only)
50467 Cologne


Map references 

Please click here to find further map references.  



Please note that GBB-Rating receives and sends confidential information in an encrypted format. Files that are thus protected against unauthorized viewing can be exchanged as e-mail attachments or on removable media; the password required for decryption must not be transmitted by the same means.

Our preferred alternative is universally protected e-mail exchange using the S/MIME protocol. Our public key is available here under Downloads.

Before sending confidential information, please agree one of the forenamed secure means of communication with your contact at GBB-Rating.



Bernd Bretschneider
Oliver Mohr

Fon: +49-221-91 28 97-210
E-Mail: ​



GBB-Rating Gesellschaft für
Bonitätsbeurteilung mbH

Kattenbug 1
50667 Cologne

Fon +49 221 912897-211