For a company with fewer than 50 employees, allow €3,000 to €8,000 excl. VAT. SaaS software used on your own (Greenly, Sweep, Sami) costs €1,000 to €5,000 per year at this company size: it is quick, but the result’s quality depends on the internal contact’s competence. A simplified Bilan Carbone® with support from a consultancy costs €5,000 to €8,000 excl. VAT, less detailed than a complete assessment but sufficient for a reliable initial picture. A start-up with at least 1 year of operation can also use Diag Décarbon'Action (€6,000 excl. VAT remaining cost), which is open to micro-enterprises.
Read the source article: Bilan Carbone® cost in 2026: €10,000 to €30,000 excl. VAT