Investing in
sustainable growth

As a capital, infrastructure and debt investor, Demea Invest supports startups, SMEs and mid-caps in agriculture, agri-food, energy and ecological transition sectors.

Demea Sustainable Investment (formerly Demeter Investment Managers) and Cerea Partners joined forces in 2025 to create a leading independent thematic platform: Demea Invest.

Demea Invest manages 3 billion euros in assets and supports over 450 companies and projects through a team of 70 professionals across 6 offices in Europe and North America.

Demea Sustainable Investment
Demea Agro
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Our businesses

Demea Invest works with startups, SMEs and mid-caps, offering them a complete range of private equity services through dedicated teams and funds:

Venture capital Expansion capital Buyout Infrastructure Mezzanine Private debt

Our sectors

Unique in our thematic positioning, we have been putting our knowledge and expertise at the service of companies for over 20 years:

Agriculture Agri-food Energy Environment Sustainable solutions Green industry
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Our key figures

0 under management
0 companies and projects supported
0 team members
0 years of experience
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A glimpse of our portfolio

STEGRA

Founded in 2020, Stegra is developing Europe's most advanced green steel project, currently under construction. By combining green hydrogen produced f...

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A glimpse of our portfolio ESG / Immobilier

ALTYN

Altyn is an engineering company engaged in professions linked to the energy, ecological and digital transition of buildings and territories.

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ESG / Immobilier
A glimpse of our portfolio

SWEETCH ENERGY

Sweetch Energy is developing a disruptive technology that will make it possible to produce renewable electricity via salinity gradient economically an...

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A glimpse of our portfolio

CO2 WINERY

CO2 Winery offers an innovative solution for capturing and reusing fermentation CO2 for wine and brewing processes. The company develops and markets C...

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A glimpse of our portfolio

WALBERG URBAN ELECTRICS

German designer, manufacturer and distributor of premium, foldable and innovative electric scooters.

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A glimpse of our portfolio

GREENE

Greene Enterprise develops and operates advanced pyrolysis infrastructure in Spain, converting non-recyclable waste streams into high-value secondary ...

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A glimpse of our portfolio Silent tableware

QUIET

QUIET is an industrial deep-tech startup that designs and distributes the world's first range of silent tableware, created to improve working conditio...

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Silent tableware
A glimpse of our portfolio

MICROPHYT

Microphyt specializes in the production of high added value molecules derived from extraction from microalgae intended for the cosmetic and nutraceuti...

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Demea is a responsible and committed investor

As such, we are signatories of many initiatives such as PRI (Principle for Responsible Investment), CDP (Carbon Disclosure Project), iC20, The Shift Project, as well as gender parity initiatives (France Invest diversity charter, SISTA and The Billion Dollar Fund for Women).

Demea is a responsible and committed investor
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Our latest 3 news

Seventeenth edition of the Demea Sustainable Investment ESG report July 17, 2026

Seventeenth edition of the Demea Sustainable Investment ESG report

The year 2025 confirmed an underlying trend: while political and economic trade-offs continue to put sustainability under pressure, ongoing climate-re...

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Kardino and checkDPE merge to create the benchmark player in reliable projected DPE May 05, 2026

Kardino and checkDPE merge to create the benchmark player in reliable projected DPE

Two pioneers in real estate tech join forces to form a single entity operating under the name Kardino. This merger is an opportunity for Kardino to st...

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FAIM Fund dedicated to innovation
and modernisation
of agricultural enterprises
Paris Green Fund First climate fund
dedicated to Paris
ecological transition