Honest Burgers scores 35/100 (Below expectations) on SINK's independent climate assessment — scored from public data only, no company payment can change a number. Last verified May 2026.
That places Honest Burgers joint 466th of 809 companies scored, and joint 19th of 49 in Food Service / Restaurants.
Honest Burgers has built a genuine supply chain intervention around regenerative beef but shields itself behind unverified claims. No operational emissions data, no energy strategy, no formal targets. The company grows aggressively while claiming sustainability without the disclosure to back it.
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SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Controversies & Red Flags and Nature & Biodiversity Impact (7/10, 5/10). Weakest on Emissions Trajectory and Carbon Footprint — Operations (1/10, 1/10).
10 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Where Honest Burgers sits among food service / restaurants peers.
Among the 49 major food service / restaurants brands we've scored, Honest Burgers is tied =19th of 49, with 3 others.
Score history begins 9 April 2026.
As Honest Burgers's score updates, the trajectory will appear here.
This score is not currently being contested.
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No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.
Honest Burgers is a UK-based fast-casual restaurant chain founded in 2010, operating 39+ sites across the country with an integrated butchery. The company specializes in beef burgers and has pivoted toward regenerative farming partnerships as its primary sustainability positioning, sourcing from six British farming families and local potato suppliers.
Alternative protein competitor facing similar carbon claims without full supply chain transparency
View breakdown →UK fast-casual food chain with stated sustainability commitments and higher disclosure standards
View breakdown →Global burger chain with similar operational scale and no formal emissions or sustainability reporting
View breakdown →Premium burger restaurant group operating in same UK market with unverified sustainability positioning
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