Contact us Contact details of the Carls Group
Do you have a question, comment, suggestion or complaint? You can reach us 24 hours a day, 7 days a week by phone. Of course, you can also send us an email, fax or letter. For questions regarding products or services of a Carls Group company, please contact the company directly.

Postal address
P.O. Box 23
2300 AA Leiden
The Netherlands
Email, PGP & website

Download PGP key
Phone & fax
+31 (0)88-2030888
+31 (0)88-2030899
Safe communication
Safe communication
If you want to exchange confidential (corporate) information with the Carls Group, always use our secured communication channels.
Safe communication with the Carls Group
Press information
Press information
Are you a journalist and do you have questions on the Carls Group or one of our companies? You can contact us 24 hours a day, 7 days a week.
Information for journalists
Contact us
Safe communication
Press information