Our hallmark is using the right kind of lens to focus on carbon and climate issues



Low carbon strategy

Custom-tailored advice and support for drafting your low carbon strategy and your climate roadmap.

Forward-looking scenarios and market studies

Anticipate changes in the economy to build a strategy that is compatible with the energy transition.

Carbon footprint and reporting

Assessment of your carbon footprint to identify levers for action, reduce your emissions and seize the opportunities offered by a low carbon economy.

Project marketing and evaluation

Get the most from the environmental performance of your products and services, and better inform your customers about their purchases.

Risks and adaptation to climate change

Assess your exposure to climate risk and anticipate the necessary adaptation measures.

Training, seminars and conferences

An innovative pedagogical approach to enable audiences to better understand what is at stake with the energy transition and climate change, and unite them behind common goals.

Climate impact of investment portfolios

Methodology designed for the financial sector to orient investment towards a decarbonized economy.

Carbon neutrality

Defining a challenging, credible and ethical corporate carbon neutrality.

Helping organizations move towards durable low carbon activities that create value

About Carbone 4

Created in 2007 by energy and climate experts Jean-Marc Jancovici and Alain Grandjean, Carbone 4 is the leading consulting firm specialized in low carbon strategy and adaptation to climate change.

In the course of over 600 missions carried out in France and around the world, Carbone 4 has developed several innovative analytical methods, and has compiled some 10 sectoral methods for measuring carbon footprints.

The work of our consultancy has inspired the strategy of many major corporate groups and local authorities.

Our strengths

Recognized expertise

Our work in all sectors and on all continents, and the numerous methodological reference frameworks that have been produced, including the Bilan Carbone® method designed by founding associate Jean-Marc Jancovici, have elevated our firm to the level of market leader on energy and climate issues.

Capacity to listen

Carbone 4 pays attention to what its clients have to say, and tailors its services to the specific problems that concern clients, depending on the sector and type of activity.

Strong networking

Over the years Carbone 4 has built up a dense network of high-level contacts in all sectors, and can mobilize this network for missions in France and abroad.

A committed company

Academic communications, engagement with not-for-profit groups and civil society, and investment in R&D programmes make Carbone 4 a company committed to the common good and meaningful action.

Key figures


Carbone 4 founded


Client references




of our clients are companies listed on the CAC40 stock index


Missions carried out in France and abroad


Economic activity sectors facing energy and climate threats analysed by our team

What our clients say


A team of dynamic and committed consultants, specialists in the energy transition