Converted into fully loaded staff time, a first in-house assessment represents €15,000 to €25,000 for a company with 10 to 50 employees (30 to 50 person-days at around €500 per day) and €30,000 to €48,000 with 50 to 250 employees (50 to 80 person-days at €600 per day). For a mid-cap with 250 to 1,000 employees, the equivalent often exceeds €80,000. By comparison, a consultancy service costs €10,000 to €30,000 excluding VAT for an SME depending on complexity, and around €6,000 excluding VAT in out-of-pocket costs with Diag Décarbon'Action.
Read the source article: Doing your own Bilan Carbone®: tools, time, limits