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Join hundreds of our customers

to commit to success in your low-carbon strategy.

Why work with GCI?

Calculate your carbon footprint

Reduce your carbon footprint

Decarbonise your purchasing

Contribute to carbon projects

Manage your low-carbon strategy

Make cost savings by limiting your energy consumption and wastage

Boost your energy performance

Future-proof your company

Communicate in a positive and concrete way

Get a certified GHG inventory

A competitive carbon strategy to differentiate you from competitors

Support tailored to your industry sector


Companies - from large to small - and organisations trust our offering.

+30 projects

of carbon contribution promoting co-benefits and human values, developed across 9 countries.

+90 experts

A network covering all areas of professional expertise in CSR and sustainable development in France and abroad

+20 years

Cumulative experience bringing together expertise in GHG emissions measurement and carbon contribution project development.