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Venture capital firm

STS Ventures

Cologne-based early-stage venture investor putting money into pre-seed and seed technology companies

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About STS Ventures

STS Ventures is an early-stage venture investor based in Cologne, Germany. Stephan Schubert founded it, and it usually invests at pre-seed and seed stage.

The firm describes its role as sitting between business angels and traditional venture funds, combining an angel's mindset with a fund's resources.

What STS Ventures offers

  • Early-stage investment: pre-seed and seed funding for start-ups.
  • Founder feedback: candid advice from an investor who has built and sold companies.
  • Network introductions: contacts among decision-makers, talent and other investors.

Customers and markets

Numbers-driven founders who balance cost control with growth. The firm says it backs steadily growing companies. Its portfolio includes businesses in health insurance, ecommerce, climate software, hearing aids, recruitment and website speed.

Key facts

  • Based in: Cologne, Germany
  • Founder: Stephan Schubert, who has founded and exited four companies
  • Stage focus: pre-seed and seed

Profile written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

As of 2026-10-06. Organic ranks only; sponsored placements are never ranks.

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