STS Ventures concentrates all business angel activities of Cologne-based serial-entrepreneur and successful investor Stephan Schubert.

Having founded and exited 4 companies, Stephan is a serial entrepreneur in the German internet industry. Since the rise of the internet in Europe in the late 90s he has been investing in numerous technology driven startups and has an outstanding track record in seed investing in successful ideas and teams. He is one of the most active, connected and experienced business angels in Germany. If you are looking for a genuine entrepreneur who has overcome a vast bunch of obstacles that you may face in the future, and seek honest and timely feedback, we are the right partner for you.

  • We invest in exceptional teams with business ideas that work.
  • STS Ventures covers the whole spectrum of investment rounds from pre-seed to later stage or in financial terms, up to €2 million per case.
  • We highly commit to our portfolio companies and regularly do follow-on investments.
  • We have a lean organizational structure and therefore decide and act quickly.
  • We maintain a strong network of partners for co-investments, access to VCs and legal support.


AllesAnna was an online drug store Investment stage: Seed (2010)
Involvement: Largest Angel
Exit: It doesn't always work out - AllesAnna was closed
Finanzen100 Leading mobile financial information portal in German speaking countries Investment stage: Founder (2008)
Involvement: Largest Shareholder
Exit: sold to Tomorrow Focus
NetMoms is a community portal for all topics related to young moms Investment stage: Seed (2007)
Involvement: Largest Shareholder, Board Member
Exit: sold to Tomorrow Focus
IS. Teledata is the largest European software company for internet based customized fiancial market information systems Investment stage: Founder (1999)
Involvement: Largest Shareholder, CTO
Exit: sold to Interactive Data Corp.
AbeBooks is an online marketplace for new, used, rare and out-of-print books from thousands of sellers Investment stage: Seed (1999)
Involvement: Largest Angel
Exit: sold to Amazon
Ligatus is the leading lead generation network in Germany Investment stage: Founder (2003)
Involvement: Largest Shareholder
Exit: sold to Gruner + Jahr
OnVista is Germany's first finance portal for high-end financial market information and analysis tools Investment stage: Founder (1998)
Involvement: Largest Shareholder, Chairman
Exit: sold to Société Générale


Stephan Schubert

Managing Partner

Stephan is a serial-entrepreneur and founded the companies OnVista, Ligatus and IS.Teledata. He further has been investing into disruptive internet companies for over 15 years.


Stephan Jacquemot


Stephan has led the startup business at Microsoft in Germany and Europe and is founder of the Microsoft Accelerator Berlin. He privately invested in various internet startups together with Tim Schumacher.


Friederike Wolf

Executive Assistant

Friederike studied Romance and German in Passau and worked with the Cologne-based label EMI Music before joining the team at STS Ventures in 2015.


Daniel Perthes

Investment Manager

Daniel has a background in M&A and financial services as well as with consulting companies in Germany and abroad. He holds a masters degree in management from EBS University of Business and Law.


Thies Wollesen

Investment Manager

Prior to STS Ventures, Thies worked in consulting with a focus on the the financial industry. He founded a social startup in Togo and holds a masters degree in Economics from Barcelona GSE.



If you have a project you would like to discuss, get in touch with us.

STS Ventures GmbH