Demeter Partners

Demeter Partners stands as a leading European venture capital and private equity firm specializing exclusively in the energy and ecological transition sectors. With a comprehensive investment approach, the firm deploys capital ranging from €1 million to €30 million across various stages of business development, supporting innovative startups, established small and mid-cap companies, and critical infrastructure projects that drive sustainable transformation. This strategic positioning has established Demeter as an essential funding partner for companies developing solutions to address climate change and environmental challenges.

The firm's extensive portfolio encompasses 230 investments accumulated over 17 years of operation, demonstrating both longevity and commitment to the green economy. Demeter's investment thesis focuses on companies developing renewable energy technologies, energy efficiency solutions, circular economy innovations, sustainable mobility, and smart grid infrastructure. This specialized focus has allowed Demeter to develop deep sector expertise and a valuable network of industry connections that benefit portfolio companies beyond mere financial support.

With €1.3 billion under management, Demeter has established itself as one of Europe's largest dedicated environmental investors. The firm operates through multiple fund structures designed to address specific market segments and maturity stages, including early-stage venture funds for breakthrough technologies, growth equity vehicles for scaling proven business models, and infrastructure funds for capital-intensive deployment projects. This multi-fund approach enables Demeter to support promising environmental technologies from initial concept through to widespread commercial implementation.

Demeter maintains a strong pan-European presence with a team of 38 investment professionals strategically distributed across five offices in Paris, Lyon, Bordeaux, Madrid, and Düsseldorf. This geographic diversification provides the firm with localized market intelligence and access to regional innovation ecosystems throughout Europe. The multinational team brings together complementary expertise in technology assessment, financial structuring, operational improvement, and regulatory frameworks specific to environmental markets, allowing Demeter to provide comprehensive support to portfolio companies navigating the complex landscape of the ecological transition.