In a few words
Founded in 1991 by Emmanuel Bigot, Best Energies is an engineering company specializing in technical systems.
Recognized for its reliability and efficiency, Best Energies supports its clients in optimizing and making their installations profitable, while reducing their environmental impact. Our solutions target energy production and distribution infrastructures as well as collective utilities.
Our experience of over 30 years in the energy market and the quality of our services (Best Energies has been ISO 9001 certified since 2014) allow us to develop long- and medium-term partnerships with major clients, both public and private.
Our qualifications
Our know-how and the technical expertise of our teams are recognized through professional qualifications, notably OPQIBI certifications, several with the RGE label, and are strengthened by frequent training.
A guarantee of the quality of our services, Best Energies is certified by OPQIBI, the only organization authorized by public authorities to grant qualifications to engineering service providers.

Project Management Assistance
0104: Project Management Assistance in operation and maintenance
Building services engineering
1312: Study of standard heating and ventilation installations
1322: Engineering in standard building services systems
Energy performance
1717: Energy audit in industry

Renewable energies
2012: Project Management Assistance for the implementation of energy production installations using biomass – RGE certified
2008: Engineering of biomass combustion energy production installations – RGE certified
2010: Study of energy production installations using solar thermal energy – RGE certified
2013: Engineering of energy production installations using geothermal energy – RGE certified
2014: Engineering of energy production installations using solar thermal energy – RGE certified
Thanks to our RGE (Recognized Environmental Guarantor) certifications, we support our clients in meeting eco-conditionality requirements, thereby enabling access to subsidies such as those from ADEME.
Emmanuel, President of Best Energies
Our team
Passion, the desire to act and build, team spirit, and friendliness are the values we cultivate every day within our teams and the projects we undertake.
Our entire team participates in a human and professional adventure at the heart of major energy and environmental challenges.
At Best Energies, we guarantee ourselves:
- Independence and performance in the service of Project Owners.
- Credibility of conclusions through competence.
- Balanced findings, without “biased” or “theoretically ideal” conclusions.
- Responsiveness and flexibility of interventions.
Our partners
Best Energies has established partnerships with several engineering schools (Mines, INSA), research laboratories, and has joined national innovative networks in sustainable development professions.