When was Ostrom founded?

Ostrom was founded in 2020 and raised its 1st funding round 2 years after it was founded.

Where is Ostrom located?

Ostrom is headquartered in Berlin, Germany.

Which legal entities is Ostrom associated with?

Ostrom is associated with Aplus Energy GmbH.

How many employees does Ostrom have?

As of Apr 30, 2026, the latest employee count at Ostrom is 61.

Is Ostrom a funded company?

Ostrom is a funded company, having raised a total of $46M across 4 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Jan 10, 2022.

When was the latest funding round of Ostrom?

Ostrom's latest funding was a $***** Series B round on Jun 19, 2025, with participation from 6 investors. Its primary sector is Smart Grid. In Germany, the Smart Grid sector has seen $32.7M in funding in 2026 to date.

Where does Ostrom rank among its competitors?

Ostrom ranks 2nd amongst 2 active competitors, of which 2 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was Octopus Energy, which secured an undisclosed amount in Dec, 2025.

Ostrom - 2026 Company Profile, Team, Funding, Competitors & Financials

Ostrom is a series B company based in Berlin (Germany), founded in 2020 by Karl Villanueva. It operates as an App-based platform offering electricity using solar energy. Ostrom has raised $46M in funding from investors like Eneco, SE Ventures and 468 Capital.

Company Details

App-based platform offering electricity using solar energy. It allows users to track electricity consumption, payments, emissions, and more. It provides energy-switching solutions. Its app is available for Android and iOS devices.

Website: www.ostrom.de/en
Social
Email ID: *****@ostrom.de
Phone Number: +49 **********

Key Metrics

Founded Year

2020

Location

Berlin, Germany

Stage

Series B

Total Funding

$46M in 4 rounds

Latest Funding Round

Series B, Jun 19, 2025, $*****

Investors

Eneco & 25 more

Ranked

2^nd among 2 active competitors

Employee Count

61 as on Apr 30, 2026

Similar Companies

OVO Energy & 17 more

View Ostrom's full profile

Ostrom is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Aplus Energy GmbH CIN: HRB223362 , Germany, Active	Nov 22, 2020	-	-

Ostrom has raised a total funding of $46M over 4 rounds. Its first funding round was on Jan 10, 2022. Its latest funding round was a Series B round on Jun 19, 2025 for $*****. 6 investors participated in its latest round. Ostrom has 10 institutional investors and 16 angel investors.

Here is the list of recent funding rounds of Ostrom:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 19, 2025	6431153	Series B	4206958	3898930	6295102	1089130
Sep 08, 2023	7030564	Series A	4620246	1637059	4292028	Union Square Ventures & 3 more
Dec 07, 2022	7323160	Series A	6125907	4672424	9303827	Adjacent & 4 more

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View details of Ostrom's funding rounds and investors

The founders of Ostrom is Karl Villanueva.

Here are the details of Ostrom's key team members:

Karl Villanueva: Co-Founder & CMO/CPO of Ostrom.

View details of Ostrom's Founder profiles and Board Members

Ostrom's employee count trend

Ostrom has 61 employees as of Apr 26. Here is Ostrom's employee count trend over the years:

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Top competitors of Ostrom include Octopus Energy. Here is the list of Top 10 competitors of Ostrom, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Octopus Energy 2015, London (United Kingdom), Series F	Retailer of electricity and gas providing heat pumps and chargers	$1.96B	Generation Investment Management, CPP Investments ... & 21 others	83/100
2nd	Ostrom 2020, Berlin (Germany), Series B	App-based platform offering electricity using solar energy	$46M	Union Square Ventures, Global Founders Capital ... & 24 others	70/100