Organization · Micro VC
One Green
One Green is a micro venture capital firm based in France, specializing in seed and pre-Series A investments in innovative B2B SaaS startups. The firm has made over 40 investments, focusing on ambitious founders and fostering collaboration within its portfolio.
Overview
What One Green does
What One Green is
One Green is a micro venture capital firm based in France, specializing in seed and pre-Series A investments in innovative B2B SaaS startups. The firm has made over 40 investments, focusing on ambitious founders and fostering collaboration within its portfolio.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Micro VC
- Structured capabilities
- Funder
- Last reviewed
- May 4, 2026
Official channels
Find One Green elsewhere
Open the official website or a supported primary organization account.
Capability profile
One Green as a funder
Investment thesis
One Green invests in innovative projects led by ambitious founders, focusing on seed and pre-Series A B2B SaaS startups.
Focus narrative
One Green targets innovative startups in growth markets, with a strong emphasis on B2B solutions. The firm structures club deals ranging from €500,000 to €1 million, fostering collaboration among investors and portfolio companies. This approach allows One Green to provide not just capital, but also a powerful ecosystem designed to support mutual success.
Value beyond capital
One Green adds value to its portfolio companies by fostering a collaborative ecosystem that encourages mutual success. The firm connects startups with a network of smart angels and other investors, enhancing their growth potential and operational capabilities.
Terms and economics
- Typical check
- $500,000–$1,000,000
Focus and fit
- Stages
- Pre-seed · Seed · Series A
- Sectors
- SaaS & Cloud Software
- Regions
- Europe
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 40
Portfolio context
Notable portfolio companies include: KARMEN: A non-dilutive financing solution available within 48 hours. Fairjungle: A platform for business travel management. Abby: A productivity solution for freelancers. Earthwake: A responsible cleaning solution and alternative to disposable products. Money Walkie: A secure solution designed to give children more autonomy. DOOD: A company that accelerates the digitalization of the food service industry.
Common questions
What to know about One Green
Upseed classifies One Green under the Micro VC organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
May 4, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.