Subway has no emissions data, no climate targets, and no sustainability reporting despite operating ~37,000 restaurants globally. The company publishes only vague aspirational language while shifting accountability to franchisees. Animal welfare controversies and greenwashing complaints compound a record of near-total environmental opacity.
Same formula for every company. No curve. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Resource Use & Waste and Water Impact (3/10, 3/10). Weakest on Transparency & Accountability and Targets & Commitments (1/10, 1/10).
12 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
7 of 12 sources are third-party verified or public record.
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Among the 46 major food service / restaurants brands we've scored, Subway sits 45th of 46.
Score history begins 8 February 2026.
As Subway's score updates, the trajectory will appear here.
We're backfilling historical scores for FTSE 100 and S&P 100 companies over the coming weeks.
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Subway is a global quick-service restaurant chain founded in 1965, headquartered in Shelton, Connecticut. With approximately 37,000 locations across 100+ countries, it is one of the world's largest restaurant networks by unit count. The chain serves customizable submarine sandwiches and operates primarily through a franchise model.
Global QSR with greater transparency, SBTi target, but comparable supply chain biodiversity exposure
View breakdown →Large franchise-based restaurant network; comparison point for climate disclosure and franchisee accountability
View breakdown →Major poultry-dependent quick-service brand; relevant for animal welfare and supply chain climate risks
View breakdown →QSR peer with beef sourcing; shows gaps in Nature & Biodiversity reporting across fast-food sector
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