Company Information

Density Ventures and Upspring Marketing are owned by Stephan Uhrenbacher. Stephan is a serial internet entrepreneur was involved in several large consumer internet companies in Europe such as, and

Our own startups are incubated within Upspring Marketing, such as,, Qype and now

Our investments are mostly in the Canadian space of deep tech and artificial intelligence.


Density Ventures North America
One Yonge Street, Suite 1801
Toronto, Ontario, M5E 1W7, Canada
Ontario Corporation Number (OCN) : 1989075
Managing  Director: Stephan Uhrenbacher

Density Ventures GmbH
Hongkongstrasse 7
20457 Hamburg, Germany
Registered: Hamburg HRB 112901
VAT ID:  DE270596243
Managing Director: Stephan Uhrenbacher

Upspring Marketing GmbH
Hongkongstrasse 7
20457 Hamburg, Germany
Registered: Hamburg HRB 69656
VAT ID: DE198314204
Managing Director: Michaela Weihs