Founded by Alain Grandjean and Jean-Marc Jancovici, Carbone 4 is a leading independent consulting firm, specialized in energy transition, that offers its expertise to private or public players. Convinced that anticipation of the constraints of climate change is the best option, Carbone 4 assists its clients to help them transform these constraints into a tremendous innovation accelerator, a commercial differentiator and a motivation for teams.
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Carbone 4 Questions
The Carbone 4 annual revenue was $17.3 million in 2026.
Louis Rolloy is the Secretary General of Carbone 4.
143 people are employed at Carbone 4.
Carbone 4 is based in Paris, Île-de-France.
The NAICS codes for Carbone 4 are [5222, 52, 522].
The SIC codes for Carbone 4 are [61, 611].
Top Carbone 4 Employees
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21
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Laurent Morel
PARTNER at Carbone 4
Versailles, FR11 -
11
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Jean-Marc Jancovici
Associé at Carbone 4
Paris, FR22 -
Alain Grandjean
Associé fondateur at Carbone 4
Île-de-France, France2 -
1
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