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Angel NetworkPuts its own capital into companiesLAST VERIFIED Oct 2026 · 8 SOURCES

Symbiose 53

Also known as Symbiose53

Business-angel association in Mayenne (Laval), created in 2007 and run with the CCI de la Mayenne; members invest as minority shareholders in rounds of €200k–€2M.

HEADQUARTERS
Laval, France
FOUNDED
2007
AUM
—
OUTSIDE CAPITAL
—
TEAM LISTED
1 people

Focus

STAGES
SeedSeries A
ASSET MIX
Venture capital
GEOGRAPHY
France

Overview

Symbiose 53 is a business-angel association created in 2007 in Mayenne on the initiative of industrial entrepreneur Jean Heaumé, and administered in partnership with the CCI de la Mayenne. Its members, individuals who invest their own money, take minority stakes in seed or development-stage companies in rounds of €200k–€2M, typically €5k–€50k each per project. It is generalist (medical, digital, IoT, industry, cleantech). Its latest holdings listed include +WIPI, DCS, Didhaptic, Loca’R and Lingua et Machina.

Investment thesis

Generalist (medical, digital, IoT, industry, cleantech); seed or development stage; rounds of €200k–€2M; requires proof of concept, initial commercial traction, a team covering sales, management and technical skills, a board/strategic-committee seat for a member and quarterly reporting; exit horizon 5–7 years.

PORTFOLIO (6)

  • +WIPI
  • DCS
  • Didhaptic
  • Loca’R
  • Lingua et Machina
    Software & SaaS
  • PepPsy

People

  • Daniel Bellanger
    Publication director (association) · source

Links

Frequently asked questions

Symbiose 53 is a angel network based in Laval, France, founded in 2007.

Yes. Symbiose 53 invests its own capital in private companies.

Symbiose 53 invests at Seed and Series A stages in HealthTech, Software & SaaS, Industrial & Manufacturing and Climate & Energy.

Key people at Symbiose 53 include Daniel Bellanger (Publication director (association)).

Symbiose 53's investments include +WIPI, DCS, Didhaptic, Loca’R, Lingua et Machina and PepPsy.

Symbiose 53 states that it accepts submissions through its official contact page.