Demeter Partners is a private equity and venture capital firm established in 2005 and headquartered in Paris, France, with additional offices in Spain and Germany. The firm specializes in investing in companies that contribute to the ecological transition, focusing on sectors such as clean technology, renewable energy, energy efficiency, and environmental services. Demeter Partners allocates capital to companies at various stages of development, including innovative startups, high-growth small and medium-sized enterprises, and infrastructure projects, typically investing between €0.5 million and €30 million. Its investment strategy emphasizes eco-industries, green technologies, and sectors aimed at preventing modern-day hazards, such as industrial accidents and health risks. The firm primarily targets mid-cap and small to medium-sized mature unlisted companies in Europe, particularly in France, but also considers opportunities in North America and globally. Demeter Partners usually takes minority stakes in its portfolio companies and seeks to participate actively by holding board seats.
General Partner, member of the management board, Head of Infrastructure
Olivier Dupont
Founding Partner
Assia Gaouar
Partner
Frédéric Gilbert
Partner and Member of the Investment Committee
Sophie Guesnerot
Founder, Managing Partner
Stephanie Hillard
Investment Director
Amaury Kalt
Investment Director
Adeline Kempf
Investment Director
Yann Lagalaye
General Partner
Benjamin Lamothe
Investment Manager
Olivier Masseran
Partner
Bernard Maître
Venture Partner
Quentin Mulaton
Investment Manager
Majdi Najah Ph.D
Investment Director
Jean Charles Scatena
Investment Director, Partner
Stéphane Villecroze
Managing Partner
Celine Charvin
Investment Director
Past deals in GreenTech
Kapsera
Series A in 2024
Kapsera SAS, founded in 2018 and based in Paris, France, specializes in the manufacture of microbials-based biofertilizers and biopesticides. The company utilizes advanced biosourced and biodegradable formulation technologies, including microfluidics encapsulation, to produce monodisperse alginate capsules that are compatible with both farming equipment and various microorganisms. These microcapsules allow for the effective formulation and active release of beneficial microorganisms in agricultural settings, thus enhancing soil health and promoting sustainability. By bridging the gap between sustainability and productivity, Kapsera aims to support farmers in protecting agriculture, nurturing biodiversity, and improving overall agricultural practices.
See You Sun
Venture Round in 2024
See You Sun is a developer, builder, and operator specializing in solar photovoltaic power plants tailored for communities, industrial, commercial, and retail sectors. The company offers a range of solutions that include individual and collective self-consumption, power purchase agreements, energy storage systems, and electric vehicle and bicycle charging stations. Additionally, See You Sun provides self-service bicycle rentals and rainwater harvesting systems. By integrating these features, the company enables markets to generate clean electricity, reduce dependence on conventional energy sources, and lower energy costs, while promoting electric mobility and renewable energy production.
Minitrucks Robotics
Seed Round in 2024
Minitrucks Robotics is a company based in Vénissieux, France, specializing in the development of automation machinery for various sectors, including marble, construction, heavy industry, and green space. The firm provides innovative solutions aimed at transporting and managing heavy loads, catering to the needs of manufacturers and craftspeople in these industries. Currently operating in stealth mode, Minitrucks Robotics is focused on enhancing operational efficiency and productivity through its advanced robotic systems.
RED Horticulture
Series A in 2023
RED Horticulture specializes in horticulture LED lighting systems, photobiology research, and indoor and greenhouse lighting.
Recyc'Elit
Seed Round in 2023
Recyc'Elit has developed a polyethylene terephthalate technology that allows polyesters to be broken down into original constituent atoms while using very little energy.
Plan A
Series A in 2023
Plan A is a leading provider of corporate carbon accounting, decarbonization, and ESG reporting software in Europe. The company has developed a comprehensive SaaS platform that integrates advanced technologies with established scientific standards and methodologies. This end-to-end solution allows businesses to manage their entire net-zero journey from a single interface, encompassing data collection, emissions calculation, target setting, decarbonization planning, and non-financial reporting. By offering personalized sustainability action plans and compliance tracking services, Plan A empowers organizations to effectively navigate their sustainability goals and foster responsible business practices.
BeFC Bioenzymatic Fuel Cells
Series A in 2023
BeFC Bioenzymatic Fuel Cells provide Eco-friendly paper-based bio-enzymatic fuel cells for sustainable energy generation. Electronics integration in disposable medical and wearable medical devices has become increasingly important. The button or coin cell power sources used are difficult to recycle, toxic, or dangerous to the environment. The development of safe and ecological devices is often a barrier to the progression of single-use and single-patient devices. BeFC offers a sustainable and eco-friendly solution for practical energy generation whilst minimizing the impact on the environment. We believe our approach will not only allow the replacement of batteries for existing applications, but also open up new opportunities for low-power ultra-thin health monitoring, logistics/transportation monitoring, and Internet of Things (IoT) applications.
Bout' à Bout
Venture Round in 2023
Bout' à Bout' is developing a large-scale re-use of glass containers.
Zeway
Series B in 2023
ZEWAY is a developer of mobility solution intended to help people switch to electric scooters for mobility. The company operates on a subscription model that allows access to a network of stations with electric scooters along with insurance, assistance and maintenance services, helping customers move within Paris without causing air pollution.
Chouette
Venture Round in 2023
Chouette is a start-up focused on vine analysis, providing a vineyard monitoring tool tailored for winegrowers. The company has developed patented technology that includes an automated drone equipped with high-precision sensors and advanced image processing algorithms. This technology is designed to address challenges specific to wine-growing environments. Additionally, Chouette's agricultural artificial intelligence enhances the drone's autonomous capabilities, enabling it to analyze and detect disease symptoms in crops. This innovative approach aims to improve agricultural monitoring and assist clients in better managing their vineyards.
Qarnot
Venture Round in 2023
Qarnot is a French company based in Montrouge that specializes in providing economical and ecological high-performance computing (HPC) solutions through an innovative platform. It designs and develops Q.rad, a computing heater that combines microprocessors and serves as both a heat source and a computing server. This unique product not only generates heat through computation but also allows users to regulate temperature via an embedded thermostat or smartphone. Qarnot's technology aims to reduce costs associated with traditional data centers, such as infrastructure, maintenance, and cooling, by offering a disruptive alternative for construction companies seeking efficient heating solutions for new buildings. Established in 2010, Qarnot has developed three generations of computing heaters to meet the needs of its clients while promoting sustainable computing practices.
MORFO
Seed Round in 2022
MORFO incorporates biological symbioses, drones, and AI technologies to sustainably reforest and fight against global warming.
Telaqua
Seed Round in 2022
Telaqua is a developer of an innovative irrigation technology platform focused on optimizing water consumption in agricultural practices. The platform utilizes advanced technologies to enhance water management by transmitting operational data, assessing the health of irrigation installations, and efficiently managing irrigation schedules. By detecting anomalies, the system enables farmers to ensure that each plant receives the appropriate amount of water tailored to specific sectors or crop types. This approach not only conserves water but also streamlines the irrigation process, ultimately saving time and resources for farmers.
CarbonWorks
Series A in 2022
CarbonWorks is specialising in the use of microalgae to capture and utilise carbon dioxide.
Lixo
Seed Round in 2022
Lixo develops software solutions to improve the performance of recycling companies, from waste collection to sorting and recyling
Plan A
Series A in 2021
Plan A is a leading provider of corporate carbon accounting, decarbonization, and ESG reporting software in Europe. The company has developed a comprehensive SaaS platform that integrates advanced technologies with established scientific standards and methodologies. This end-to-end solution allows businesses to manage their entire net-zero journey from a single interface, encompassing data collection, emissions calculation, target setting, decarbonization planning, and non-financial reporting. By offering personalized sustainability action plans and compliance tracking services, Plan A empowers organizations to effectively navigate their sustainability goals and foster responsible business practices.
See You Sun
Series A in 2021
See You Sun is a developer, builder, and operator specializing in solar photovoltaic power plants tailored for communities, industrial, commercial, and retail sectors. The company offers a range of solutions that include individual and collective self-consumption, power purchase agreements, energy storage systems, and electric vehicle and bicycle charging stations. Additionally, See You Sun provides self-service bicycle rentals and rainwater harvesting systems. By integrating these features, the company enables markets to generate clean electricity, reduce dependence on conventional energy sources, and lower energy costs, while promoting electric mobility and renewable energy production.
Jungle France
Seed Round in 2021
Jungle France is an AgTech company that engages in vertical farming and hydroponics. Jungle vertical farms are part of the sustainable solutions to modern agriculture's challenges by combining plant biology and technology. Jungle offers locally grown, pesticide-free plants at an affordable price all year round.
Jungle France
Series A in 2021
Jungle France is an AgTech company that engages in vertical farming and hydroponics. Jungle vertical farms are part of the sustainable solutions to modern agriculture's challenges by combining plant biology and technology. Jungle offers locally grown, pesticide-free plants at an affordable price all year round.
Plan A
Seed Round in 2021
Plan A is a leading provider of corporate carbon accounting, decarbonization, and ESG reporting software in Europe. The company has developed a comprehensive SaaS platform that integrates advanced technologies with established scientific standards and methodologies. This end-to-end solution allows businesses to manage their entire net-zero journey from a single interface, encompassing data collection, emissions calculation, target setting, decarbonization planning, and non-financial reporting. By offering personalized sustainability action plans and compliance tracking services, Plan A empowers organizations to effectively navigate their sustainability goals and foster responsible business practices.
Zeway
Seed Round in 2020
ZEWAY is a developer of mobility solution intended to help people switch to electric scooters for mobility. The company operates on a subscription model that allows access to a network of stations with electric scooters along with insurance, assistance and maintenance services, helping customers move within Paris without causing air pollution.
Kapsera
Seed Round in 2019
Kapsera SAS, founded in 2018 and based in Paris, France, specializes in the manufacture of microbials-based biofertilizers and biopesticides. The company utilizes advanced biosourced and biodegradable formulation technologies, including microfluidics encapsulation, to produce monodisperse alginate capsules that are compatible with both farming equipment and various microorganisms. These microcapsules allow for the effective formulation and active release of beneficial microorganisms in agricultural settings, thus enhancing soil health and promoting sustainability. By bridging the gap between sustainability and productivity, Kapsera aims to support farmers in protecting agriculture, nurturing biodiversity, and improving overall agricultural practices.
Stimergy
Venture Round in 2018
Stimergy, based in Grenoble, France, operates eco-friendly data centers that integrate seamlessly into the smart city ecosystem. Established in 2013, the company installs mini-data centers within secure technical areas of residential buildings, employing a digital boiler system to recycle heat generated by computer servers. This reclaimed heat is utilized to produce hot water for the connected buildings, enhancing overall energy efficiency. Additionally, Stimergy provides project development services tailored for animation studios, which include optimizing server allocation, computing power, storage speed, and connection speed for various projects. By creating an interconnected computing grid through optical fiber, Stimergy offers a resilient and high-performance solution for modern data management.
eLichens
Venture Round in 2018
eLichens is dedicated to providing comprehensive information about air quality through its innovative technology. The company specializes in developing low-power micro gas sensors and a connected station that integrates multiple sensors for monitoring and predicting air quality. This technology serves both indoor and outdoor applications, catering to industrial clients, smart city initiatives, and consumer markets. With a strong portfolio of patents and expertise, eLichens operates from offices in Grenoble, France, and Silicon Valley, California, aiming to enhance local air quality through its advanced solutions.
Cozynergy
Venture Round in 2017
Cozynergy is a service company specializing in energy renovation, focusing on improving comfort and energy efficiency in individual homes. It offers a comprehensive range of technologies designed for energy preservation, allowing customers to enhance their real estate assets while reducing energy costs. By prioritizing the energy renovation market, Cozynergy aims to provide effective solutions that contribute to sustainable living and lower utility expenses for homeowners.
eLichens
Venture Round in 2016
eLichens is dedicated to providing comprehensive information about air quality through its innovative technology. The company specializes in developing low-power micro gas sensors and a connected station that integrates multiple sensors for monitoring and predicting air quality. This technology serves both indoor and outdoor applications, catering to industrial clients, smart city initiatives, and consumer markets. With a strong portfolio of patents and expertise, eLichens operates from offices in Grenoble, France, and Silicon Valley, California, aiming to enhance local air quality through its advanced solutions.
Stimergy
Seed Round in 2016
Stimergy, based in Grenoble, France, operates eco-friendly data centers that integrate seamlessly into the smart city ecosystem. Established in 2013, the company installs mini-data centers within secure technical areas of residential buildings, employing a digital boiler system to recycle heat generated by computer servers. This reclaimed heat is utilized to produce hot water for the connected buildings, enhancing overall energy efficiency. Additionally, Stimergy provides project development services tailored for animation studios, which include optimizing server allocation, computing power, storage speed, and connection speed for various projects. By creating an interconnected computing grid through optical fiber, Stimergy offers a resilient and high-performance solution for modern data management.
Zenpark
Seed Round in 2015
Zenpark is a pioneer in automated shared parking services in Europe, providing a platform that optimizes parking space usage. By partnering with various entities such as hotels, residential landlords, businesses, and parking operators, Zenpark creates an intelligent network for its members, allowing them to access shared parking solutions that are both practical and economical. This innovative approach not only enhances convenience for users but also addresses urban mobility challenges by promoting connected and carbon-free transportation options. Through its services, Zenpark aims to alleviate traffic congestion and contribute to more efficient urban planning.
Cozynergy
Private Equity Round in 2014
Cozynergy is a service company specializing in energy renovation, focusing on improving comfort and energy efficiency in individual homes. It offers a comprehensive range of technologies designed for energy preservation, allowing customers to enhance their real estate assets while reducing energy costs. By prioritizing the energy renovation market, Cozynergy aims to provide effective solutions that contribute to sustainable living and lower utility expenses for homeowners.
Cooltech Applications
Venture Round in 2013
Cooltech Applications specializes in innovative refrigeration systems utilizing magnetocaloric cooling technology, a concept rooted in 19th-century science. The company's solutions aim to replace conventional gas-based cooling systems found in home appliances, buildings, and transportation. By harnessing the magnetocaloric effect, Cooltech's systems provide a compression-less and gas-free alternative that is both energy-efficient and environmentally friendly. This approach allows users to adopt appliances that significantly reduce carbon footprints, promoting a more sustainable future in cooling technologies.
McPhy Energy
Venture Round in 2013
McPhy Energy S.A. is a French cleantech company based in La Motte, established in 2008. It specializes in developing and supplying equipment for hydrogen production, storage, and distribution, catering to the hydrogen energy, zero-emission mobility, and industrial hydrogen markets globally. The company's product portfolio includes alkaline electrolyzers that facilitate hydrogen production in various capacities, as well as innovative solid-state hydrogen storage solutions. Additionally, McPhy designs and manufactures hydrogen refueling stations and integrated hydrogen solutions, positioning itself as a key player in the transition towards sustainable energy systems.
Renewable Power International, S.A.U.
Acquisition in 2011
Renewable Power International, S.A.U. is an independent power producer based in Madrid, Spain, specializing in the development and management of renewable energy projects. The company focuses on generating electricity through hydrological, wind, and solar-photovoltaic sources. It owns and operates 20 small hydro plants in Spain and Portugal, with a total installed capacity of 88.5 MW. Additionally, Renewable Power International manages and maintains power plants and photovoltaic parks for third-party clients. Established in 1987, the company was previously known as Minicentrales Dos, S.A.U. and rebranded in November 2014. It is a subsidiary of Hydrocontracting GmbH, Minicentrales, S.A.
Green Gas International
Series C in 2008
Green Gas is an international clean energy company that specialises in converting methane emissions from coal mines and landfill sites into clean energy and valuable carbon credits. The company offers a fully funded, integrated and commercially attractive solution for gas management and utilisation for coal mine and landfill owners, including the process of qualifying carbon credits. In short, they cover gas collection, gas drainage, project management, operations, and maintenance, carbon credits and finance. Whilst improving site productivity and safety, they provide new and clean sources of electricity and heat and eliminate a potent greenhouse gas. With over 60 projects operating around the world, and a consolidated 50-year track record in the industry, they are expanding their project portfolio rapidly, thereby helping customers and communities worldwide to reduce their carbon footprint, in a commercially viable way. Green Gas International was founded in 2005 and is headquartered in Amsterdam, Netherlands.
RVX
Series A in 2008
RVX specializes in the field of the engineering processes. RVX develops and implements treatment plants and recycling of your waste while maximizing efficiency of your production to limit discharges.
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