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Read moreFinancing a sustainable future -
Read moreFinancing a sustainable future -
Read moreFinancing a sustainable future -
Read moreFinancing a sustainable future -
Read moreFinancing a sustainable future
DEMEA SUSTAINABLE INVESTMENT
Demea Sustainable Investment a major European player in venture capital, private equity and infrastructure for the energy and ecological transition. Its funds invest from €1m to €30m to support companies in the sector at all stages of their development : innovative startups, small and mid-cap companies, as well as infrastructure projects. The Demea Sustainable Investment team counts 38 people based in Paris, Lyon, Bordeaux, Madrid, Düsseldorf and Montreal, manages €1.5bn and has completed 240 investments since 2005.
24
38
PEOPLE
1
1,5
MD€ FUNDS MANAGED
178
240
INVESTMENTS
COMMITMENTDemea Sustainable Investment a responsible and committed investor. As such, we are signatories of numerous initiatives such as PRI (Principle for Responsible Investment), CDP (Carbon Disclosure Project), iC20, The Shift Project, and initiatives for gender diversity (the France Invest gender equality charter, SISTA and The Billion Dollar Fund for Women).
PORTFOLIOSince 2005, we have been supporting the new energy and ecological transition players development.

Cozynergy
Cozynergy is a service company in the sector of energy renovation. The company prioritizes the market of energetic renovation of individual homes.

eLichens
eLichens designs, develops and sells smart micro-sensors and a software solution for the outdoor/indoor air quality analysis.

Ideol
Ideol is specialized in designing and providing floating foundations for offshore wind turbines.

McPhy Energy
McPhy Energy designs and manufactures technical solutions dedicated to the production, storage and distribution of hydrogen.

Stimergy
Stimergy is offering a proximity cloud service based on a cluster of eco friendly data centers, which integrated into the building, are true ``digital boilers.``

Sunna Design
Sunna Design develops, produces and markets innovative solar LED lighting solutions and photovoltaic systems.

Ynsect
Ynsect offers highly nutritive and environment-friendly insect-based products, especially the mealworm.

Zenpark
Zenpark designs, develops and operates a complete parking share solution based on a web and mobile platform and an onsite electronic reservation system.
NEWSWe are happy to share the latest information about Demea Sustainable Investment and the companies we support
03, December 2025
Demeter announces the signing of an investment in Vulcan Energy’s Phase One Lionheart (Phase One Lionheart), a landmark transaction in the Upper Rhine Valley in Germany, which will be the first of its kind in Europe combining the production of lithium and renewable energy for industrial sites and local communities. Demeter is part of a…
14, October 2025
Lyon, October 14, 2025 – ALLERGEN ALERT, a French Deeptech startup, designs and manufactures an innovative solution for the rapid detection of food allergens and gluten, dedicated to people living with food allergies. The company has just completed a €3.6 million fundraising round with Demeter, through the Fonds d’Amorçage Industriel Métropolitain (FAIM) Lyon/Saint-Étienne, and bioMérieux,…
09, October 2025
The company holds the first authorization to market personalized veterinary phage-based treatments on EU soil. Demeter is pleased to announce that its Agrinnovation fund co-led the €25 million Series A funding round of Phagos, alongside CapAgro, Hoxton Ventures, and CapHorn, with participation from Acurio Ventures, Citizen Capital, Entrepreneur First, Founders Capital, and Station F. Founded…



