Ostrom

Ostrom

Berlin, Germany
62 employees
Climate
Series A · $44M

About Ostrom

Ostrom is a Berlin-based digital green energy provider founded in 2021 that offers German households 100% certified renewable electricity through a modern, app-first platform. It provides flexible monthly tariffs (SimplyFair and SimplyDynamic), electricity at cost, hourly dynamic pricing, and a Home Energy Management System (HEMS) that integrates EVs, heat pumps, and solar PV. The company operates NeoGrid, Germany's largest electric vehicle Virtual Power Plant (VPP).

Company details

Team Size62
LocationBerlin, Germany
IndustryClimate

Funding

Total raised

$44M

Last stage

Series A

Investors

EEneco Ventures
SSE Ventures
Union Square Ventures
AAdjacent
JJ12

Founders

MM

Matthias Martensen

Conceived Ostrom while consulting energy companies at Oliver Wyman; founded Ostrom in January 2021 to bring a digital-first, transparent green energy platform to Germany.

LinkedIn
KV

Karl Villanueva

Previously worked in B2C startups including HelloFresh; joined Ostrom as co-founder after participating in the Berlin cohort of Entrepreneur First.

LinkedIn

What happens next.

No applications, no recruiter spam. Just the intro.

01

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

02

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

03

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.