Demeter Partners

Founded in 2005, Demeter Partners is a Paris-based private equity firm specializing in investments that drive the ecological transition. It focuses on seed to late-stage companies and infrastructure projects across Europe, with a particular emphasis on France. The firm invests between €0.5 million and €30 million, typically taking minority stakes and seeking board seats.

Thomas Beaugendre

Investment Manager

Thomas Beaugendre

Investment Manager

Olivier Bordelanne Ph.D

Partner

Cyrille Cabaret

Partner

Marie Cartet

Investment Manager

Past deals in Oilfield Services

Sirfull

Venture Round in 2024
Sirfull is a French software company specializing in welding quality management and equipment life cycle solutions. It offers VDB for welding quality control and technical documentation, IRM for collaborative industrial equipment inspection, monitoring, and risk management. The company serves manufacturers across various industries, providing services as Software-as-a-Service or PC/server installation.

Sirfull

Venture Round in 2019
Sirfull is a French software company specializing in welding quality management and equipment life cycle solutions. It offers VDB for welding quality control and technical documentation, IRM for collaborative industrial equipment inspection, monitoring, and risk management. The company serves manufacturers across various industries, providing services as Software-as-a-Service or PC/server installation.

OpenField Technology

Private Equity Round in 2013
OpenField Technology designs and manufactures wireless micro sensing systems for the oil and gas industry. Leveraging MEMS technology, the company produces pressure and temperature micro-recorders and digital sensors for OEM integration, as well as micro-sensors for permanent downhole monitoring. Its sensors are used in frac monitoring, logging while drilling, reservoir evaluation, subsea instrumentation, and well surveillance, enabling monitoring, optimization, and safer operations in harsh downhole environments. Founded in 2011 and headquartered in Versailles, France, the company focuses on delivering accurate data and easy deployment with industry-standard equipment to support well performance characterization and enhanced recovery.

Le Floch Depollution

Series A in 2008
Le Floch Dépollution SA is a company based in Sainte-Sève, France, specializing in oil spill response, hydrocarbon waste management, and environmental clean-up services on a global scale. Established in 1998, it emerged from the need for effective responses to oil spill incidents. The company offers a wide range of services, including the distribution and maintenance of oil spill response equipment, soil and groundwater decontamination, and industrial site rehabilitation. Its operations encompass both in-situ and ex-situ treatment methods, such as mechanical and biological processes, as well as dredging and waste recycling. Le Floch Dépollution also provides training, contingency planning, and technical consultancy to enhance preparedness for environmental incidents. The company is committed to integrated environmental management, emphasizing the importance of protecting and rehabilitating ecosystems.
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