For a simple scope, no: a service SME with standard sources (offices, travel and IT purchases) obtains a sound result on a platform, provided it has a trained contact. The gap appears in scope 3, because platforms mainly rely on spend-based ratios: a euro of Chinese steel and a euro of European recycled steel carry the same weight, although their actual footprints can differ by a factor of 3. For industrial activity or sources such as multimodal freight, material purchases or use of sold products, physical factors are required that bank connectors do not provide.
Read the source article: Bilan Carbone® software or consultancy: how to choose in 2026