Our investments

2 B Energy

Founded in 2007, 2-B Energy specialises in the design and performance of offshore wind turbines. The company is developing a new wind turbine generator to meet market needs and current trends, focusing on reducing energy costs. Alex Ouimet-Storrs is a Board member. www.2benergy.com

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Acerde specialises in creating high-tech devices developed from reactors for High Temperature Chemical Vapour Deposition (HTCVD). Using this expertise, Acerde offers a new generation of rotating anodes for X-ray tubes that are lighter with a higher performance, and will integrate into the medical equipment of tomorrow. Alex Ouimet-Storrs is a Board member. www.acerde.com

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Dietswell (Alternext: ALDIE), a spin-off of Dietsmann, a leader in the field of maintenance operations and services in the petroleum sector, offers management services for drilling operations, well construction, technical assistance, the design and audit of drilling equipment. Dietswell focuses on largely technological bespoke projects in which its skills set it apart from the main […]

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Eco Carbone

Eco-Carbone operates within the emerging market of agrofuel production based on Jatropha curcase oil. Eco-Carbone advises farmers’ groups that plant jatropha and holds majority shares in industrial joint ventures that produce and sell raw oil and extraction co-products. Alex Ouimet-Storrs is a Board member. www.eco-carbone.com



Géocorail was co-founded by Truffle Capital in 2012 and is supported, since its creation, by the Holding Incubatrice “Commodities and Materials”. Truffle Capital subscribed to a 2-million-euro capital increase in October of 2015. Géocorail develops and commercializes innovative solutions to mitigate shore erosion and protect maritime coastal works and offshore structures. These solutions are based […]

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Founded in 2006, Neelogy develops and sells magnetic sensors with no remanence (thus very specific and non-intrusive) to measure alternating and direct currents. Neelogy’s technology is based on the Neel EffectTM, which allows direct current and alternating current to be measured accurately to meet new needs related to energy metering, AC/DC energy conversion, electric energy […]

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Netmedia Europe

NetMediaEurope is the result of a management buyout (MBO) and a carve out of several of the internet media activities of the VNU Business Media Group.  With about 25 websites across Europe, NetMediaEurope’s mission is to inform IT decision makers and Business decision makers while helping them reach their targets. NME publishes more than 5 000 […]



OHT was founded in December 2010 and focuses its work on the setup of high-tech extraction technologies through the adsorption of hydrocarbons from the ground, sludge and polluted water. OHT does this through the treatment of polluted soils, sludge and water, the treatment of production water and the treatment of heavy fuel. OHT is also […]



Osead is a French company founded in 2006 specialising in the prospecting, exploration and development of raw mineral deposits. The company holds patents and exclusive technologies for the extraction of hydrocarbons from tar sands, which are usually found in Canada and Venezuela. Truffle completed its exit from Osead in 2013.

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Photon Power Technologies

Photon Technologies is a French company, a supplier of photovoltaic installations for private, industrial, agricultural and public clients. Photon Technologies was founded at the end of 2006 by Roland Barthez, a solar energy pioneer in France, with more than 30 years of experience and with the participation of EDF ENR. Truffle Capital sold the company […]

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Founded in 2005, SP3H developed a system based on near infra-red (NIR) technology. The solutions developed by SP3H enable lower fuel consumption, lower pollution and CO2 emissions, the optimisation of reliability performances and engine power. The business is organised around the optimisation of the operation of engines. The system uses the HydroCarbon Profiler (HCP) proprietary […]

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Velcan Energy specialises in electricity generation and the reduction of greenhouse gases through the production and negotiation of carbon credits. The company develops and finances renewable energy infrastructures (such as biomass, hydraulic electricity) in emerging countries where there is a very high demand for electricity. Truffle Capital sold its participation in 2007 by selling its […]

First FinTech Closing
On the 15th of November 2017, Truffle has successfully completed the first closing of its institutional fund Truffle Financial Innovation Fund.
Premier closing FinTech
Le 15/11/2017, Truffle réalise le premier closing de son fonds institutionnel Truffle Financial Innovation Fund.
Premier closing FinTech
Le 15/11/2017, Truffle réalise le premier closing de son fonds institutionnel Truffle Financial Innovation Fund.