STS Ventures

General contacts
Investor type

VC / Angel

Founded

1999

AUM

-

Location

Cologne, North Rhine-Westphalia, Germany

Investment Ticket

$1-5 m

Investment Stage

Pre-seed Seed Series B

Region of investment

Europe
Investor profile last updated: 21 August, 2026

Profile

STS Ventures is a Cologne-based early-stage venture capital firm founded by Stephan Schubert, a serial entrepreneur with a strong track record in the German internet industry. The firm operates with the mindset of a business angel, bridging the gap between angel investors and traditional venture capital firms. With a team of six professionals, STS Ventures is known for its active involvement and extensive network in the startup ecosystem, offering honest advice and timely feedback to entrepreneurs.

The firm primarily invests in pre-seed and seed stages, focusing on technology-driven startups across various sectors such as software, fintech, and healthcare services. STS Ventures typically invests in the DACH region, supporting companies with a numbers-driven approach to growth. Notable investments include JustWatch, Ottonova, and Rebike, among others. The firm does not disclose specific check sizes but emphasizes its role as a strategic partner for early-stage ventures.

STS Ventures has a diverse portfolio, including companies like Klima.metrix, Audibene, and Emma – The Sleep Company. These investments highlight the firm's commitment to backing innovative solutions in digital health, e-commerce, and consumer services. The firm has achieved several successful exits, reinforcing its reputation as a key player in the venture capital landscape.

Industry

Transportation Telecommunications Software Media and Entertainment Marketing and Advertising Internet and Web Services Healthcare Services Foodtech Food and Beverage Fintech Financial Services E-commerce/Marketplace Edtech Education Digital Consumer Services (B2C) Travel MedTech HealthTech HRTech

Contacts

Name
Title
Email
Social Networks
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Stephan Schubert Managing Partner
Managing Partner
s•••@•••
LinkedIn
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Thies Wollesen Investment Manager
Investment Manager
-
LinkedIn
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Investment-team contacts for STS Ventures — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about STS Ventures

STS Ventures is a venture capital firm that also operates as an angel investor. It backs companies at Pre-seed, Seed and Series B, writing tickets of $1-5 m.
STS Ventures is located in Cologne, North Rhine-Westphalia, Germany.
STS Ventures was founded in 1999.
STS Ventures invests in companies and startups in Transportation, Telecommunications, Software, Media and Entertainment, Marketing and Advertising, Internet and Web Services, Healthcare Services, Foodtech, Food and Beverage, Fintech, Financial Services, E-commerce/Marketplace, Edtech, Education, Digital, Consumer Services (B2C), Travel, MedTech, HealthTech, HRTech.
STS Ventures invests in companies and startups in Europe.
STS Ventures invests in companies and startups at Pre-seed, Seed, Series B.
STS Ventures usually invests $1-5 m on average.
STS Ventures can be reached through its website sts-ventures.de and its LinkedIn page. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for STS Ventures — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query STS Ventures directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 21 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.