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Private Equity FundPuts its own capital into companiesActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 11 SOURCES

GEI – Poincaré Gestion

Also known as GEI, Poincaré Gestion, POINCARE GESTION, Fonds GEI

Nancy and Strasbourg manager (Poincaré Gestion, AMF GP-10000031) of the GEI FPCIs, funded only by business owners; €5–20M tickets for growth and transmission of north-east France SMEs.

HEADQUARTERS
Nancy, France
FOUNDED
2010
AUM
—
OUTSIDE CAPITAL
Yes
TEAM LISTED
9 people

Focus

STAGES
GrowthBuyout
SECTORS
Industrial & ManufacturingHealthTechConsumer & E-commerceMedia & EntertainmentClimate & Energy
ASSET MIX
Private equity
GEOGRAPHY
FranceSwitzerland

Overview

Poincaré Gestion is the AMF-authorised management company, founded in 2010 in Nancy with an office in Strasbourg, that runs the GEI FPCIs. The funds bring together only entrepreneur investors and back the growth and transmission of SMEs and mid-caps, mainly in north-east France, with tickets of €5–20M. Its portfolio page lists some 40 holdings since 2011, recently BB Distribe, Horatec, SETP and MPM (2025).

Investment thesis

Generalist equity partner for SMEs in north-east France: organic and external growth, transmissions, exits of historic shareholders and pre-sale structuring, with entrepreneur-investors involved alongside management.

PORTFOLIO (12)

  • BB Distribe
    Consumer & E-commerce · since 2025
  • Horatec
    Industrial & Manufacturing · since 2025
  • SETP
    Industrial & Manufacturing · since 2025
  • MPM
    Media & Entertainment · since 2025
  • Groupe GISMIC
    Industrial & Manufacturing · since 2024
  • Silicéo
    Climate & Energy · since 2024
  • Yema
    Consumer & E-commerce · since 2024
  • Semin
    Industrial & Manufacturing · since 2023
  • Twintec
    Industrial & Manufacturing · since 2022
  • Groupe JBT
    HealthTech · since 2019
  • Diagast
    HealthTech · since 2017
  • Adista
    Software & SaaS · since 2012

People

  • Serge Peiffer
    Président (Founder) · source
  • Frédéric Dubuisson
    Directeur Général (Co-founder) · source
  • Olivier Hamm
    Directeur Associé (Co-founder) · source
  • Pierrick Jeannot
    Directeur Associé · source
  • Guillaume Bosshardt
    Directeur Associé · source
  • Danielle Mangin
    Directrice de Participations · source
  • Victorien Chouzo
    Chargé d’Affaires · source
  • Valentin Leonard
    Chargé d’Affaires · source
  • Ekaterina Ivanova
    Legal Compliance Officer · source

Links

Frequently asked questions

GEI – Poincaré Gestion is a private equity fund based in Nancy, France, founded in 2010.

Yes. GEI – Poincaré Gestion invests its own capital in private companies.

GEI – Poincaré Gestion invests at Growth and Buyout stages in Industrial & Manufacturing, HealthTech, Consumer & E-commerce, Media & Entertainment and Climate & Energy.

GEI – Poincaré Gestion's stated ticket size is €5M–€20M.

Key people at GEI – Poincaré Gestion include Serge Peiffer (Président (Founder)), Frédéric Dubuisson (Directeur Général (Co-founder)), Olivier Hamm (Directeur Associé (Co-founder)) and Pierrick Jeannot (Directeur Associé).

GEI – Poincaré Gestion's investments include BB Distribe, Horatec, SETP, MPM, Groupe GISMIC, Silicéo, Yema and Semin, among others.

The most recent publicly reported investment by GEI – Poincaré Gestion is BB Distribe (Equity investment (development)), announced in Oct 2025.

Yes. GEI – Poincaré Gestion manages capital from outside investors.