There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

Seed- and Angel-Investments · Consulting · Strategic Partnerships


Ralf and Martin have built and grown two companies on their own. They successfully sold the first to Alcatel Lucent and the second to Vodafone Group. Or, as the Managing Director of High-Tech Gründerfonds has put it:

High-Texh Gründerfonds, Exit-Tweet, grandcentrix


Interested in working with us?


Office address:
Rottmann Willnow Ventures GmbH
Holzmarkt 1 · 50676 Cologne · Germany

Managing Partner: Ralf Rottmann and Martin Willnow
District Court Cologne, HRB 84483

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