Free — SME Sustainability Tool

Green-Gap Assistant

Sustainability made simple
for small businesses

Estimate your carbon footprint, track certification progress, and discover eco-friendly suppliers — all without hiring an ESG consultant.

Free for SMEs · No login required

Scope 3 Emissions Estimator

Upload your utility bills or expense reports and get an estimate of your supply chain (Scope 3) emissions based on UK government emission factors.

Need a starting point? Download a sample: Simple template or Monthly expenses template

Drag & drop your expense file here, or

.csv or .xlsx · Utility bills, purchase orders, or expense reports

or enter manually