Contact information

Contracting party and office address

GIS House and Garden Internet Shop GmbH / OSKAR
Rathausstraße 4
20095 Hamburg
Germany

Telephone: +49 40 655 89907
Email: support@hello-oskar.com
Web: hello-oskar.com
Contact form: support.hello-oskar.de/hc/de/requests/new

Service hours: Monday to Friday, 09:00–12:00 and 13:00–17:00.

Returns address

Hamburg Internet Shops Group GmbH / Hello-Oskar
Borsigstraße 28
21465 Reinbek
Germany

Please arrange returns in advance with our customer service team. The returns address is the logistics address and not the contracting party’s address for service.

Data protection contact

Data Protection Officer: Mr Beyer
Email: datenschutz@hhis.group

Last updated: 27/08/2026 · SHA-256: f1fb6f48ffc44d78faaf09ee80ecb10de10e28da2a7cfb63fef5cee0dca588f8