Invest-Y Angels
Also known as Invest-Y, Club des Créateurs et Entrepreneurs Ile-de-France Ouest
Versailles business-angel club founded in 1981 (west Île-de-France: Yvelines, Essonne, Saclay); about 50 members invest directly or through its SIBA Yes Invest.
- HEADQUARTERS
- Versailles, France
- FOUNDED
- 1981
- AUM
- —
- OUTSIDE CAPITAL
- Yes
- TEAM LISTED
- 1 people
Focus
- STAGES
- Seed
- ASSET MIX
- Direct investments
- GEOGRAPHY
- France
Overview
Invest-Y Angels is the business-angel club of the Club des Créateurs et Entrepreneurs Ile-de-France Ouest, a 1901-law association registered in Versailles in 1981. Members invest in their own name or collectively through business-angel investment companies (SIBA) created by the club for its members: Hedera (2000) and ScientY, now closed to new investment, and Yes Invest (2021), open. It reports about forty companies financed, generally co-investing with other angel clubs, and reached 50 members in December 2025. Frank Marguier has chaired the club since 2024.
Investment thesis
Local start-ups with high growth potential in west Île-de-France (Yvelines, Essonne, especially Saclay); tickets of €30k–€100k plus time; usually co-invests with other business-angel clubs.
PORTFOLIO (15)
- WallixNOTABLESoftware & SaaS
- LeosphèreNOTABLEDeep Tech
- EchosensNOTABLEHealthTech
- Food & Agriculture · since 2024
- HealthTech · since 2024
- BeamsHealthTech
- Education
- Biotech & Life Sciences
- Software & SaaS
- HealthTech
- AddaccesSoftware & SaaS
- Industrial & Manufacturing
- NutrivercellHealthTech
- Biotech & Life Sciences
- DeFactoMobility & Logistics · exited
People
- Frank MarguierPresident · source
Links
Frequently asked questions
Invest-Y Angels is a angel network based in Versailles, France, founded in 1981.
Yes. Invest-Y Angels invests its own capital in private companies.
Invest-Y Angels invests at Seed stage in HealthTech, Biotech & Life Sciences, Deep Tech and Software & SaaS.
Invest-Y Angels's stated ticket size is €30K–€100K.
Key people at Invest-Y Angels include Frank Marguier (President).
Invest-Y Angels's investments include Wallix, Leosphère, Echosens, Auralip, MsInsight, Beams, Learning Robot and Algenscribe, among others.
The most recent publicly reported investment by Invest-Y Angels is Auralip, announced in Dec 2024.
Invest-Y Angels states that it accepts submissions through its official contact page.
Yes. Invest-Y Angels manages capital from outside investors.