System.One is a venture capital firm. Based in Berlin, Germany. Among the 9 companies in the known portfolio are Levity, Twain, deepset, Mondoo, lemon.markets and Deta.
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Investment focus
Who to pitch at System.One
System.One portfolio companies (9)
- Levity
- Twain
- deepset
- Mondoo
- lemon.markets
- Deta
- Mixedbread
- FLIPT
- Martian Lawyers Club
Co-investors
Funds that share portfolio companies with System.One.
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About System.One
The firm's listing covers sectors AI, FinTech and SaaS, and focus areas AI Infrastructure, API, Cybersecurity and DevOps; known deals cluster at Pre-Seed, Seed and Series A.
Maximilian Claussen (General Partner) is listed as the contact to pitch at System.One.
Across the known portfolio, 10 co-investors appear alongside System.One, including Heliad, Firstminute Capital and NP-Hard Ventures.
Frequently asked questions
What is System.One?
System.One is a venture capital firm based in Berlin, Germany, with a known portfolio of 9 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 System.One invest in?
Listed sectors include AI, FinTech and SaaS; listed focus areas include AI Infrastructure, API, Cybersecurity and DevOps. 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 System.One invest at?
The known deals of System.One 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 System.One?
One person at System.One is on file, listed as a contact for the firm, with their own profile page.
How do I contact System.One?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows 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