Your contact persons
![gbhkontakt gbhkontakt](https://gbh-design.de/wp-content/uploads/2019/12/gbhkontakt.jpg)
General Office
Email: info@gbh-design.de
Administration
Tel. +49 8139 9321 310
Maintenance
Tel. +49 8139 9321 311
![gratzl gratzl](https://gbh-design.de/wp-content/uploads/2019/12/gratzl.jpg)
Management
Christian Gratzl
Managing Director Construction
and Design/Sales
Email: christian.gratzl@gbh-design.de
Tel. +49 8139 9321 316
Mobile +49 151 163 211 22
![biese biese](https://gbh-design.de/wp-content/uploads/2019/12/biese.jpg)
Management
Stefan Biese
Managing Director Production
and Service/Sales
Email: stefan.biese@gbh-design.de
Tel. +49 8139 9321 317
Mobile +49 151 163 211 23