System.One is a pre-seed venture capital firm based in Berlin, Germany, that invests in technical founders at the earliest stages, typically with flexible investments ranging from €500K to €3M. The firm focuses on areas such as tooling, artificial intelligence, data & analytics, security, distributed computing, and open-source software, primarily in seed rounds for Germany-based startups.
33% of their portfolio is in Developer Tools. Their most common stage is seed (56% of deals). Average disclosed round size is $13.4M (across 8 rounds with reported amounts).
Portfolio
9
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
9 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 lemon.markets | Unknown | — | Jul 2024 |
| Ddeepset.ai | Series B | $30M | Aug 2023 |
 Deepset | Series A | $14M | Apr 2022 |
| lemon.markets | Seed | $15M | Apr 2022 |
 Fiberplane | Seed | $8.8M | Sep 2021 |
 n8n | Seed | $1.5M | Mar 2020 |
 Vault Platform | Seed | $4.2M | Apr 2019 |
 Vay | Series A | $30M | — |
| DDeta | Seed | $3.6M | — |
Top Co-Investors
Creandum3 shared
GV (Google Ventures)2 shared
Harpoon Ventures2 shared
Lunar Ventures2 shared
Tiny VC2 shared
Crane2 shared
Lakestar2 shared
Lightspeed Venture Partners2 shared
Atomico1 shared
La Famiglia1 shared
Visionaries Club1 shared
Sequoia Capital1 shared
firstminute capital1 shared
Runa Capital1 shared
Notion Capital1 shared
Northzone1 shared
basecase1 shared
CommerzVentures1 shared
Heliad1 shared
Kindred Ventures1 shared
Last updated: 24 April 2026