Who invested in Companion.energy

2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

CleantechEnergySoftware

Raised 5 months ago

Funding summaryUpdated 26 Oct 2026

$11Mraised across 2 rounds since 2024, from 2 sources

$2.3MPre-seed$9.0MSeed

Latest round: Seed, $9.0MJun 2026
Led by: Realyze Ventures
Step-upi: 3.9×
Investors: 5 (1 led)

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20252026

$2.3MPre-seed$9.0MSeed

First round: Pre-seed, $2.3M
Biggest round: $9.0M
Between rounds: 2.1 years

The rounds

Jun 2026
Seed$9.0M4 new1 returning
Reported by Realyze Ventures
May 2024
Pre-seed$2.3M1 new
- NAP
Source recorded

Founders and team

From Companion.energy's own website: 3 founders.

Jonas VerstraetenCo-founder

Marie VrijghemFounder's Associate

Thomas VynckeCo-founder

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Pre-seed2024Seed2026

Everyone who backed them

NAPVC firm2rounds

Realyze VenturesVC firm1round, led 1

Pi LabsAccelerator1round

Asterion VenturesVC firm1round

Übermorgen VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Companion.energy as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Cavalry VenturesVC firmPer its own site

Imec.istart Future FundVC firmPer its own site

Quick answers about Companion.energy

Who invested in Companion.energy?

Companion.energy's investors include NAP, Realyze Ventures, Pi Labs, Asterion Ventures and Übermorgen Ventures. Realyze Ventures led its latest round.