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Private Equity FundPuts its own capital into companiesActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 13 SOURCES

Demea Invest

Also known as Demea, Demea Sustainable Investment, Demea SI, Demeter Investment Managers, Demeter Partners, Demea Agro, Cerea Partners

Paris platform formed in 2025 by merging Demeter Investment Managers and Cerea Partners: VC, growth, buyout, infrastructure and debt in agri-food and energy transition; €2.8bn AUM (Jan 2025).

HEADQUARTERS
Paris, France
FOUNDED
—
AUM
€2.8B (2025)
OUTSIDE CAPITAL
Yes
TEAM LISTED
8 people

Focus

STAGES
SeedSeries AGrowthBuyout
SECTORS
Climate & EnergyFood & AgricultureIndustrial & ManufacturingMobility & Logistics
ASSET MIX
Venture capitalPrivate equityPrivate credit
GEOGRAPHY
FranceGermanySpainEurope

Investment arms & vehicles

  • Demea Sustainable Investment
    Management company (ex Demeter Investment Managers): venture capital, growth and infrastructure funds for the energy and ecological transition
  • Demea Agro (Cerea Partners)
    Management company (ex Cerea Partners): equity, mezzanine, unitranche and senior debt for agri-food SMEs and mid-caps

Overview

Demea Invest was formed in 2025 from the merger of Demeter Investment Managers (now Demea Sustainable Investment), an energy- and ecological-transition investor, and Cerea Partners (now Demea Agro), an agri-food private equity and debt investor. It was a €2.8bn manager with 66 staff when the merger was announced in January 2025; its capital comes from institutional investors, corporates and family offices and is invested across venture capital, growth capital, buyouts, infrastructure, mezzanine and private debt. Its team of about 70 works from Paris, Lyon, Bordeaux, Düsseldorf, Madrid and Montréal, and it reports backing 450 startups, SMEs and projects over 20 years.

Investment thesis

Thematic investor in agriculture, agri-food, energy transition (renewables, efficiency, storage, grids, bioenergy) and ecological transition (carbon capture, circular economy, low-carbon industry), from seed to buyout and infrastructure, through dedicated teams and funds.

PORTFOLIO (12)

  • VerkorNOTABLE
    Climate & Energy
  • QUIET
    Industrial & Manufacturing · since 2026
  • Aldes
    Industrial & Manufacturing
  • Gireve
    Mobility & Logistics
  • iSTAR Medical
    HealthTech
  • Quanturi
    Food & Agriculture
  • Altyn
    Climate & Energy
  • CO2 Winery
    Climate & Energy
  • Nutriearth
    Food & Agriculture
  • Naïo Technologies
    Food & Agriculture
  • Ynsect
    Food & Agriculture
  • Deepki
    Software & SaaS

People

  • Stéphane Villecroze
    Managing Partner, Direction · source
  • Sophie Paturle
    Managing Partner, Direction · source
  • Antoine Troesch
    Managing Partner, Direction · source
  • Benoît Forcier
    Senior Partner, Direction · source
  • Lionel Cormier
    Managing Partner, Private Equity · source
  • Eric Marty
    Managing Partner, Venture Capital · source
  • Philippe Detours
    Managing Partner, Infrastructure · source
  • Kevin Coornaden
    Secrétaire Général · source

Links

Frequently asked questions

Demea Invest is a private equity fund based in Paris, France.

Yes. Demea Invest invests its own capital in private companies.

Demea Invest invests at Seed, Series A, Growth and Buyout stages in Climate & Energy, Food & Agriculture, Industrial & Manufacturing and Mobility & Logistics.

Key people at Demea Invest include Stéphane Villecroze (Managing Partner, Direction), Sophie Paturle (Managing Partner, Direction), Antoine Troesch (Managing Partner, Direction) and Benoît Forcier (Senior Partner, Direction).

Demea Invest's investments include Verkor, QUIET, Aldes, Gireve, iSTAR Medical, Quanturi, Altyn and CO2 Winery, among others.

The most recent publicly reported investment by Demea Invest is QUIET (€1.4M round (Fonds d’Amorçage Industriel Métropolitain)), announced in Sep 2026.

Demea Invest states that it accepts submissions through its official contact page.

Yes. Demea Invest manages capital from outside investors.