- A new website is under construction - Horizonte group of companies Obenhauptstrasse 5 (House 2) 22335 Hamburg / Germany operator: +49 (0) 40 822244 80 fax: +49 (0) 40 822244 888 email: info@horizonte.de internet: www.horizonte.de Register: HRB 88081 Hamburg District Court Managing Directors: Uwe Sternberg, Marc Evermann e-mail