Yes for micro-businesses: the official programme factsheet states that micro-enterprises are eligible, provided they have at least 1 year of activity and have not carried out a GHG assessment for 5 years. For a self-employed micro-entrepreneur without employees, the factsheet sets no minimum headcount, but it is better to confirm eligibility with Bpifrance before committing. For a very small organisation, a [self-service assessment using a free tool](/en/blog/carbon-accounting-software-vs-consultancy/) is sometimes more proportionate than a complete Bilan Carbone® at €6,000 excl. VAT.
Read the source article: Diag Décarbon'Action 2026: price, eligibility, process