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At One Ventures

Investor profile

Venture capital

At One Ventures has backed 7 European tech companies across 7 funding rounds between 2021 and 2025, joining rounds totalling €74M. Most active in Cleantech and Energy. Data as of Nov 2026.

Deals
7
distinct rounds
Companies
7
backed
Active span
2021–2025
5 yrs
Total round €
€74M
sum of rounds joined

Deals by year

distinct rounds / year
At One Ventures — deals by year — interactive chart.
Data table
At One Ventures — deals by year
20212
20231
20242
20252

Top sectors

by deals
At One Ventures — top sectors — interactive chart.
Data table
At One Ventures — top sectors
Cleantech3
Energy2
Transportation2

Stages

by deals
At One Ventures — stages — interactive chart.
Data table
At One Ventures — stages
Series A3
Other2
Seed2

Countries

by deals
At One Ventures — countries — interactive chart.
Data table
At One Ventures — countries
France2
UK2
Germany1
Sweden1
Switzerland1

Co-investment network

shared rounds
Co-investment network — interactive chart.
At One Ventures — 7 dealsAt One VenturesVerve Ventures — 2 shared deals · click to openVerve VenturesAlleyCorp — 1 shared deals · click to openAlleyCorpAM Ventures — 1 shared deals · click to openAM VenturesAmbo Ventures — 1 shared deals · click to openAmbo VenturesCEA Investissement — 1 shared deals · click to openCEA InvestissementEcotechnologies 2 fund — 1 shared deals · click to openEcotechnologies 2 fundExergon — 1 shared deals · click to openExergonFactor[e] Ventures — 1 shared deals · click to openFactor[e] VenturesFongit — 1 shared deals · click to openFongitGründerfonds Ruhr — 1 shared deals · click to openGründerfonds RuhrHCVC — 1 shared deals · click to openHCVCHeritage Group — 1 shared deals · click to openHeritage GroupHigh-Tech Gründerfonds (HTGF) — 1 shared deals · click to openHigh-Tech Gründerfonds (HTGF)House Of Ventures — 1 shared deals · click to openHouse Of VenturesInnovate UK — 1 shared deals · click to openInnovate UKMaven Capital Partners — 1 shared deals · click to openMaven Capital PartnersMilestone Construction — 1 shared deals · click to openMilestone ConstructionPlayfair Capital — 1 shared deals · click to openPlayfair Capital

Hover a node for shared-deal counts; click a co-investor to open its profile.

Best viewed on a larger screen.

Frequent co-investors

shared rounds

Portfolio

top 30 by total round €
CompanyCountryRoundsTotal €
StellariaFrance1€23M
TransmutexSwitzerland1€21M
Factor2 EnergyGermany1€7.8M
OpibusSweden1€6.5M
EvoveUK1€6.4M
TEMOFrance1€6.0M
Material EvolutionUK1€3.0M

Biggest deals

top 10 by amount
CompanyStageAmountDate
StellariaOther€23M2025-07
TransmutexSeries A€21M2024-01
Factor2 EnergySeed€7.8M2025-09
OpibusSeries A€6.5M2021-11
EvoveOther€6.4M2023-03
TEMOSeries A€6.0M2024-01
Material EvolutionSeed€3.0M2021-11
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