Rheingau Founders is a venture capital firm. Based in Berlin, Germany. Known portfolio companies include OpenReplay, Humanoo, Adaptyv Biosystems, Neptune.ai, NetBird and Qualifyze, 10 companies in all.
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Investment focus
Contacts
Who to pitch at Rheingau Founders
Rheingau Founders portfolio companies (10)
- OpenReplay
- Humanoo
- Adaptyv Biosystems
- Neptune.ai
- NetBird
- Qualifyze
- Akhetonics
- Her1
- MoleQlar
- dstack
Co-investors
Funds that share portfolio companies with Rheingau Founders.
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About Rheingau Founders
The firm's listing covers sectors AI, Commerce, Consumer and FinTech, and focus areas Analytics, Biotech, Data and Delivery; known deals cluster at Pre-Seed, Seed and Series A.
Philipp Hartmann (Founding Partner), Tobias von Wiesentreu (Founder & Managing Partner) and Arndt Hüsges (Investor) are listed as the contacts to pitch at Rheingau Founders.
Rheingau Founders shares portfolio companies with 13 other investment firms, among them SwissHealth Ventures, Helsana HealthInvest and Creathor Ventures.
Frequently asked questions
What is Rheingau Founders?
Rheingau Founders is a venture capital firm based in Berlin, Germany, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Rheingau Founders invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include Analytics, Biotech, Data and Delivery. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Rheingau Founders invest at?
The known deals of Rheingau Founders include Pre-Seed, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Rheingau Founders?
All 3 people on file at Rheingau Founders are listed as contacts for the firm, each with their own profile page.
How do I contact Rheingau Founders?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal