Ostrom
Ostrom™ ⚡️ Energy. Just Better. – Your Electricity in English
Berlin, Germany · Founded 2019 · $47.9M raised
- 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
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
Ostrom is a Climate Tech company based in Berlin, Germany, founded in 2019. 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
3 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Jun 2025
Sign up to see all 4 rounds
Seed through Series B — per-round amounts, valuations, and who invested in each round.
Investors
Similar Companies
Sempra Infrastructure develops, builds, operates, and invests in infrastructure serving customers...
Green steel company using hydrogen and renewable electricity to decarbonize steel production. For...
Self-driving cars.
AI infrastructure company building renewable-powered data centers and cloud compute optimized for...

EnBW Energie Baden-Württemberg AG is one of Germany's largest integrated energy companies, develo...
Generate is a North American energy platform delivering reliable, affordable, lower-carbon power ...
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/ostrom"><img src="https://indexed.vc/api/badge/company/ostrom" alt="Ostrom on Indexed.vc" width="260" height="76" /></a>

