Demeter

Demeter Partners is a private equity and venture capital firm based in Paris, France, founded in 2005. It focuses on investments that support the ecological transition, targeting companies across various stages of development, including seed, start-up, early-stage, and growth. The firm primarily invests in sectors such as eco-industries, eco-energies, green technology, and alternative energy resources. Specific areas of interest include water, air, and waste treatment, energy efficiency, and renewable energies, as well as infrastructure projects related to sustainable energy. Demeter typically invests between €0.5 million and €30 million in small to medium-sized enterprises and prefers to take minority stakes while seeking board representation in its portfolio companies. While the firm predominantly operates in Europe, particularly in France, it also explores opportunities in North America and other regions. Demeter is recognized as a significant player in the European private equity landscape, particularly following its merger with Emertec Gestion in 2016, which enhanced its focus on the energy transition and environmental sectors.

Thomas Beaugendre

Investment Manager

Grégory Besson-Moreau

Partner

Marie Bolognini

Investment Manager

Olivier Bordelanne

Partner

Cyrille Cabaret

Partner

Marie Cartet

Investment Manager

Céline Charvin

Investment Director

Stéphanie Chretien

Partner

Lionel Cormier

Managing Partner

Julien Coudy

Partner

Gonzague Dejouany

Partner

Christophe Desrumaux

Partner

Philippe Detours

General Partner, member of the management board, Head of Infrastructure

Geoffroy Dubus

Partner

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

Eric Marty

Managing Partner

Olivier Masseran

Partner

Bernard Maître

Venture Partner

Quentin Mulaton

Investment Manager

Majdi Najah Ph.D

Investment Director

Sophie Paturle-Guesnerot

Co-Founder and Managing Partner

Jérôme Petitjean

Partner, Infrastructure

Jean-Charles Scatena

Partner, Co-Chief Financial and Chief Operations Officer

Holger Schragmann

Partner

Riadh Shaïek

Partner

Louis Truchon-Bartes

Investment Manager

Olivier Usureau

Partner

Stéphane Villecroze

Managing Partner

Past deals in GreenTech

Sencrop

Series B in 2022
Sencrop is an ag-tech startup that offers an in-field data-based platform to empower farmers to make better decisions in their daily agricultural activities. Sencrop designs and sells connected weather forecast solutions for farmers to measure rain, hygrometry, and wind speed. The sensors are cheap, robust, movable, and easy to use, making more efficient and sustainable farming possible

CarbonWorks

Series A in 2022
CarbonWorks specializes in the development of algae photobioreactors that utilize microalgae to capture and convert carbon dioxide. The company's technology industrializes microalgal photosynthesis, enabling the transformation of carbon emissions from various manufacturers into biomass. This biomass can be used in agricultural biocontrol products, as well as in human and animal food markets. By focusing on the large-scale production of safe bioproducts, CarbonWorks aims to help industries reduce their carbon footprints and promote sustainability.

NAWA Technologies

Series C in 2022
NAWATECHNOLOGIES, Société anonyme designs, develops, industrializes, and commercializes products based on organized nanostructures to enable improvements in materials and devices dedicated to energy, transportation, and environment markets. The company offers multifunctional materials and energy storage devices. NAWATECHNOLOGIES, Société anonyme was founded in 2013 and is based in Aix-en-Provence, France.

Plan A

Series A in 2021
Plan A is a data-driven B2B SaaS platform that assists businesses in calculating, monitoring, and offsetting their carbon footprint. The platform generates personalized sustainability action plans tailored to each company's specific emissions profile. By leveraging advanced technologies and the latest scientific standards, Plan A enables organizations to manage their net-zero journey independently. This includes data collection, emissions calculation, target setting, decarbonization planning, and compliance tracking for economic, social, and governance reporting. Through its comprehensive approach, Plan A empowers businesses to enhance their sustainability efforts effectively.

SWEETCH Energy

Venture Round in 2021
SWEETCH Energy is developing a breakthrough technology in the field of salinity gradient power harvesting.

Jungle

Series A in 2021
Developer of vertical farming solutions designed to locally grow zero-pesticide plants at scale. The company specializes in plant production technology and provides support in the production of aromatic herbs, leafy greens, and microgreens, enabling customers to secure a consistent supply of clean, nutrient-rich, and tasty plants.

Jungle

Seed Round in 2021
Developer of vertical farming solutions designed to locally grow zero-pesticide plants at scale. The company specializes in plant production technology and provides support in the production of aromatic herbs, leafy greens, and microgreens, enabling customers to secure a consistent supply of clean, nutrient-rich, and tasty plants.

Plan A

Seed Round in 2021
Plan A is a data-driven B2B SaaS platform that assists businesses in calculating, monitoring, and offsetting their carbon footprint. The platform generates personalized sustainability action plans tailored to each company's specific emissions profile. By leveraging advanced technologies and the latest scientific standards, Plan A enables organizations to manage their net-zero journey independently. This includes data collection, emissions calculation, target setting, decarbonization planning, and compliance tracking for economic, social, and governance reporting. Through its comprehensive approach, Plan A empowers businesses to enhance their sustainability efforts effectively.

Tchek

Seed Round in 2021
Tchek is a French startup that uses Artificial Intelligence (AI) for car inspection.

BeFC Bioenzymatic Fuel Cells

Seed Round in 2020
BeFC Bioenzymatic Fuel Cells is a company based in Grenoble, France, founded in 2020, that specializes in developing eco-friendly energy solutions. The company focuses on creating paper-based, ultra-thin, flexible, and miniature bioenzymatic fuel cell systems designed for sustainable energy generation. These innovative devices provide a safer alternative to traditional button or coin cell batteries, which are often difficult to recycle and environmentally harmful. BeFC's technology aims to address the growing need for sustainable power sources in disposable medical and wearable devices, facilitating the advancement of single-use applications while minimizing ecological impact. Additionally, its fuel cells present new opportunities for low-power applications in health monitoring, logistics, and the Internet of Things (IoT).

MyLight Systems

Venture Round in 2020
MyLight Systems specializes in energy management solutions that empower homeowners to produce and utilize their own solar electricity. The company focuses on creating solar self-consumption systems that optimize the use of energy generated by photovoltaic (PV) panels. By enhancing the efficiency of local PV energy consumption, MyLight Systems aims to help users significantly reduce their electricity costs and achieve energy independence. Their innovative approach benefits both residential and tertiary sectors, allowing for substantial savings while promoting sustainable energy practices.

NAWA Technologies

Venture Round in 2020
NAWATECHNOLOGIES, Société anonyme designs, develops, industrializes, and commercializes products based on organized nanostructures to enable improvements in materials and devices dedicated to energy, transportation, and environment markets. The company offers multifunctional materials and energy storage devices. NAWATECHNOLOGIES, Société anonyme was founded in 2013 and is based in Aix-en-Provence, France.

Naïo Technologies

Series A in 2020
Naïo Technologies SAS, founded in 2011 and based in Ramonville Saint Agne, France, specializes in designing and developing electric tools for agriculture and viticulture. The company focuses on creating robots that assist in mechanical weeding, hoeing, and harvesting, thereby improving farming efficiency and reducing reliance on chemical pesticides and herbicides. Through its innovative solutions, Naïo Technologies aims to help farmers optimize their workloads, enhance profitability, and minimize environmental impact. The firm’s commitment to integrating advanced technologies in agriculture highlights its role in promoting sustainable farming practices.

Proviridis

Venture Round in 2019
Proviridis is a provider of alternative technologies and fuels for vehicles. The company natural gas along with fast intelligent electric recharges and hydrogen stations for range extenders in order to provide an operational response to the economic and environmental requirements of transport professionals.

TIBOT Technologies

Seed Round in 2019
The company TIBOT technologies was born in May 2016: its objective, to develop solutions which facilitate the daily life of poultry farming. In 2015, Lætitia and Benoît called on the services of Cimtech, a design office in mechatronics located near Rennes (35), to assess the feasibility of a robot for poultry farming that could bring more comfort and profitability to their daily work.

NAWA Technologies

Venture Round in 2019
NAWATECHNOLOGIES, Société anonyme designs, develops, industrializes, and commercializes products based on organized nanostructures to enable improvements in materials and devices dedicated to energy, transportation, and environment markets. The company offers multifunctional materials and energy storage devices. NAWATECHNOLOGIES, Société anonyme was founded in 2013 and is based in Aix-en-Provence, France.

Ergosup

Series B in 2019
Ergosup is a company based in Malataverne, France, that specializes in the development of decentralized hydrogen-energy production systems. The firm has created an innovative process for producing high-pressure hydrogen on-site, which facilitates the refueling of hydrogen fuel vehicles. Ergosup provides generators that store and convert electricity into hydrogen under pressure, enabling the co-generation of electric power for hydrogen service stations and various industrial applications. This technology allows clients to achieve zero-emission solutions for mobility applications, contributing to a more sustainable energy future.

Sencrop

Series A in 2019
Sencrop is an ag-tech startup that offers an in-field data-based platform to empower farmers to make better decisions in their daily agricultural activities. Sencrop designs and sells connected weather forecast solutions for farmers to measure rain, hygrometry, and wind speed. The sensors are cheap, robust, movable, and easy to use, making more efficient and sustainable farming possible

Stimergy

Venture Round in 2018
Stimergy, based in Grenoble, France, operates eco-friendly data centers that enhance energy efficiency by recycling heat generated from computer servers. Founded in 2013, the company installs mini-data centers in secure areas of residential buildings, utilizing a digital boiler to convert waste heat into hot water for these buildings. This innovative approach integrates data centers into the smart city ecosystem, creating a resilient computing grid interconnected by optical fiber. Additionally, Stimergy offers project development services tailored for animation studios, helping to determine the necessary server allocation, computing power, storage speed, and connection speed for specific projects. The company's efforts reflect a commitment to sustainability and efficiency in data management.

eLichens

Venture Round in 2018
eLichens is a company specializing in air quality sensing solutions, founded in 2014 and based in Grenoble, France, with an additional office in Silicon Valley, California. The company develops ultra-low-power gas sensors, connected stations, and indoor air quality monitoring systems designed for various applications, including industrial safety, HVAC systems, smart cities, gas leak detection, smart homes, and automotive environments. eLichens aims to provide comprehensive and relevant information about air quality through its innovative technology, which includes a portfolio of patents and expertise in both consumer electronics and industrial markets. Their products enable clients to monitor, assess, and enhance air quality in both indoor and outdoor settings.

Naïo Technologies

Venture Round in 2017
Naïo Technologies SAS, founded in 2011 and based in Ramonville Saint Agne, France, specializes in designing and developing electric tools for agriculture and viticulture. The company focuses on creating robots that assist in mechanical weeding, hoeing, and harvesting, thereby improving farming efficiency and reducing reliance on chemical pesticides and herbicides. Through its innovative solutions, Naïo Technologies aims to help farmers optimize their workloads, enhance profitability, and minimize environmental impact. The firm’s commitment to integrating advanced technologies in agriculture highlights its role in promoting sustainable farming practices.

EnergieIP

Series A in 2017
Energie IP is a company based in Paris, France, that specializes in building automation solutions. The firm has developed a building management system platform that enables the integration of power devices and data exchange through standard Ethernet cables. This platform focuses on providing an open and secure technology that operates on low DC energy, allowing for efficient energy distribution across buildings. Additionally, Energie IP's system facilitates communication with intelligent robots and equipment, as well as supports the development of geolocation platforms utilizing artificial intelligence.

COGEBIO

Private Equity Round in 2017
COGEBIO is a company that designs, manufactures and installs energy recovery units for biomass (wood chips, agricultural by-products, etc.) for the production of heat and / or electricity.

SWEETCH Energy

Venture Round in 2017
SWEETCH Energy is developing a breakthrough technology in the field of salinity gradient power harvesting.

Sencrop

Seed Round in 2017
Sencrop is an ag-tech startup that offers an in-field data-based platform to empower farmers to make better decisions in their daily agricultural activities. Sencrop designs and sells connected weather forecast solutions for farmers to measure rain, hygrometry, and wind speed. The sensors are cheap, robust, movable, and easy to use, making more efficient and sustainable farming possible

eLichens

Venture Round in 2016
eLichens is a company specializing in air quality sensing solutions, founded in 2014 and based in Grenoble, France, with an additional office in Silicon Valley, California. The company develops ultra-low-power gas sensors, connected stations, and indoor air quality monitoring systems designed for various applications, including industrial safety, HVAC systems, smart cities, gas leak detection, smart homes, and automotive environments. eLichens aims to provide comprehensive and relevant information about air quality through its innovative technology, which includes a portfolio of patents and expertise in both consumer electronics and industrial markets. Their products enable clients to monitor, assess, and enhance air quality in both indoor and outdoor settings.

Stimergy

Seed Round in 2016
Stimergy, based in Grenoble, France, operates eco-friendly data centers that enhance energy efficiency by recycling heat generated from computer servers. Founded in 2013, the company installs mini-data centers in secure areas of residential buildings, utilizing a digital boiler to convert waste heat into hot water for these buildings. This innovative approach integrates data centers into the smart city ecosystem, creating a resilient computing grid interconnected by optical fiber. Additionally, Stimergy offers project development services tailored for animation studios, helping to determine the necessary server allocation, computing power, storage speed, and connection speed for specific projects. The company's efforts reflect a commitment to sustainability and efficiency in data management.

Ergosup

Series A in 2015
Ergosup is a company based in Malataverne, France, that specializes in the development of decentralized hydrogen-energy production systems. The firm has created an innovative process for producing high-pressure hydrogen on-site, which facilitates the refueling of hydrogen fuel vehicles. Ergosup provides generators that store and convert electricity into hydrogen under pressure, enabling the co-generation of electric power for hydrogen service stations and various industrial applications. This technology allows clients to achieve zero-emission solutions for mobility applications, contributing to a more sustainable energy future.

Enerbee

Venture Round in 2015
EnerBee SAS, founded in 2014 and based in Grenoble, France, specializes in developing motion-based energy-harvesting solutions aimed at eliminating the need for batteries in both industrial and consumer connected devices. The company focuses on providing its innovative energy harvesters for a variety of applications, including wristwatches, remote sensors, smart home technologies, and industrial systems. By harnessing motion to generate power, EnerBee addresses the significant global demand for autonomous energy solutions, particularly in a market where billions of coin cell batteries are sold annually. With its multi-patented technology, EnerBee is poised to transform how wireless connected objects are powered, offering a sustainable alternative to traditional battery dependency.

NAWA Technologies

Venture Round in 2014
NAWATECHNOLOGIES, Société anonyme designs, develops, industrializes, and commercializes products based on organized nanostructures to enable improvements in materials and devices dedicated to energy, transportation, and environment markets. The company offers multifunctional materials and energy storage devices. NAWATECHNOLOGIES, Société anonyme was founded in 2013 and is based in Aix-en-Provence, France.

Qualisteo

Venture Round in 2014
Qualisteo SAS, founded in 2010 and based in Nice, France, specializes in energy efficiency monitoring through its software tool, Wattseeker. This technology is designed to audit electrical consumption across entire buildings, providing detailed insights by usage, equipment, and zone. By enabling enterprises to measure and control their electricity consumption, Qualisteo helps optimize their environmental footprint and reduce electricity costs. The company offers installation services and valuable reports on electrical consumption, contributing to energy savings and more informed decision-making for industrial sites.

Cooltech Applications

Venture Round in 2013
COOLTECH APPLICATIONS SAS develops and commercializes magnetic refrigeration products for commercial refrigeration equipment manufacturing markets. It also offers custom development solutions, such as magnetocaloric materials and magnetocaloric systems. The company serves refrigeration markets, such as commercial refrigeration, transport, industrial cold, and home appliance markets; and air conditioning markets, including automotive, residential, and commercial markets worldwide. COOLTECH APPLICATIONS SAS was founded in 2003 and is headquartered in Holtzheim, France with additional offices in Paris.

OpenField Technology

Private Equity Round in 2013
OpenField Technology specializes in the manufacturing of micro-sensing systems tailored for the oil and gas industry. Founded in 2011 and headquartered in Versailles, France, the company designs and produces a range of products, including smartball flowable pressure and temperature micro-recorders, digital sensors for OEM integration, and permanent monitoring micro-sensors. These advanced technologies are utilized in various applications such as hydraulic fracturing, reservoir evaluation, and well performance optimization. OpenField Technology focuses on providing integrated sensor systems that perform reliably in harsh environments, leveraging proprietary MEMS technology to deliver superior accuracy and ease of deployment compared to traditional monitoring solutions. The company's innovations aim to enhance operational efficiency and safety for well operators, ultimately contributing to improved recovery capabilities and profitability.

Cooltech Applications

Venture Round in 2013
COOLTECH APPLICATIONS SAS develops and commercializes magnetic refrigeration products for commercial refrigeration equipment manufacturing markets. It also offers custom development solutions, such as magnetocaloric materials and magnetocaloric systems. The company serves refrigeration markets, such as commercial refrigeration, transport, industrial cold, and home appliance markets; and air conditioning markets, including automotive, residential, and commercial markets worldwide. COOLTECH APPLICATIONS SAS was founded in 2003 and is headquartered in Holtzheim, France with additional offices in Paris.

Green Gas International

Series C in 2008
Green Gas International is a clean energy company focused on converting methane emissions from coal mines and landfill sites into clean energy and valuable carbon credits. The company provides a comprehensive solution for gas management and utilization, covering gas collection, drainage, project management, operations, maintenance, and carbon credit qualification. This approach not only enhances site productivity and safety but also generates new sources of electricity and heat while mitigating greenhouse gas emissions. With over 60 projects globally and a 50-year industry track record, Green Gas International is rapidly expanding its portfolio, assisting customers and communities in reducing their carbon footprint in a commercially viable manner. Founded in 2005, the company is headquartered in Amsterdam, Netherlands.
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