Ostrom
Ostrom is a climate tech company in Berlin, Germany, founded in 2019. It has raised $47.9M across 4 rounds, most recently a $23.0M Series B in June 2025.
Ostrom™ ⚡️ Energy. Just Better. – Your Electricity in English
- Headquarters
- Berlin
- Employees
- 11–50
- Founded
- 2019
- Business Model
- B2C
- Website
- ostrom.de
- Total Funding
- $47.9M
- Last Round
- $23.0M Series BJun 2025
- Rounds
- 4
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 4 funding rounds and 7 investors for this company. The full record is or through the API.
About
Ostrom is a Berlin-based digital green electricity provider driving the green energy transition by making renewable energy more accessible and inclusive. The company has empowered consumers to effortlessly switch, track, and reduce their electricity consumption through a seamless, multilingual energy management platform. Founded by Matthias and Karl with the aim of upending the German energy market, Ostrom set out to build a simpler, more transparent alternative to Germany's traditional utility model.
Summary
It lists 11–50 employees. It has raised $47.9M in total across 4 rounds, most recently a $23.0M Series B round in Jun 2025. Investors include Union Square Ventures, Adjacent and SE Ventures.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Jun 2025
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Funding: Seed through Series B. Amounts, valuations, and investors where available.
Investors
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