We make energy fair, smart and green - flexible monthly contracts with no hidden fees, digital-first and 100% certified renewable energy.
Ostrom has raised €41M across 5 funding rounds from 28 investors, most recently a Series B round in Jun 2025. Based in Berlin, Germany; active in Energy. Data as of 7 Aug 2026.
Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors |
|---|
| 2025-06-20 | Series B | €20M | Adjacent,Eneco,Eneco Ventures,J12 Ventures,SE Ventures,Übermorgen Ventures+1 more | View deal → |
| 2023-09-08 | Series A | €7.5M | Adjacent,J12 Ventures,SE Ventures,Übermorgen Ventures,Union Square Ventures | View deal → |
| 2022-12-07 | Series A | €9.3M | 468 Capital,Adjacent,Alexander Ljung,Ante Spittler,Anton Rummel,Diana zur Löwen+17 more | View deal → |
| 2022-01-11 | Pre-Seed | €4.4M | 468 Capital,Angel Investors,Global Founders Capital,J12 Ventures,Jörg Kattner,Übermorgen Ventures | View deal → |
| 2021-07-14 | Other | — | 468 Capital | View deal → |
