It remains meaningful in 2 cases, starting with a mature CSR team with at least 2 FTEs, including someone trained by ABC, in a large company or mid-cap that has already produced 2 or 3 assessments: the data are mapped, the tools deployed and the consultancy intervenes only occasionally (method overhaul, verification, audit). The second case is a micro-business with fewer than 10 employees taking an educational approach, for which a simplified assessment using ADEME spreadsheets, completed in 3 to 5 person-days, is enough to get the subject started. Outside these cases, the in-house option is the most expensive for most SMEs.
Read the source article: Doing your own Bilan Carbone®: tools, time, limits