Subway

◌ Pending Review

🥪 Food Service / RestaurantsUSSignificant gaps

~10,000 corporate (+ ~400,000 franchise employees) employees~$10B system-wide sales (2023) revenueRanked #294 of 322Website ↗

Subway is a food service / restaurants company headquartered in US. Based on our 10-question rubric, Subway scores 21/100 — rated as showing significant gaps in its sustainability performance.

SINK Score Breakdown

How we calculated Subway's score using our formula: (0.3 × Base + 0.7 × Performance) × Scale Penalty

Base Impact

Food Service / Restaurants industry ceiling

Performance

18/100

10 questions scored below

Scale Penalty

0.82x

emissions volume multiplier

SINK Score

(0.3 × 45 + 0.7 × 18) × 0.82 = 21

10-Question Rubric Breakdown

Click any question to see the reasoning, sources and community challenges.

1/10

Carbon Footprint — Operations

1/10

Carbon Footprint — Supply Chain

1/10

Emissions Trajectory

2/10

Energy Source

2/10

Nature & Biodiversity Impact

3/10

Resource Use & Waste

3/10

Water Impact

1/10

Targets & Commitments

1/10

Transparency & Accountability

Q10

3/10

Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026

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