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.
Founded 2010Head office London, United KingdomStaff ~836Revenue ~£56MWebsite ↗
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.
Honest Burgers scores 35/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified May 2026.
That places Honest Burgers joint 540th of 934 companies scored, and joint 21st of 51 in Food Service / Restaurants.
Strongest on Controversies & Red Flags and Nature & Biodiversity Impact (7/10, 5/10). Weakest on Carbon Footprint: Operations and Emissions Trajectory (1/10, 1/10).
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SINK = (0.3 × Base + 0.7 × Performance) × Scale10 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
20% of them were published by Honest Burgers itself; the rest come from independent sources.
Scored on 9 April 2026 under an earlier version of our method. We're re-checking it under the current method.
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Where Honest Burgers sits among food service / restaurants peers.
Among the 51 major food service / restaurants brands we've scored, Honest Burgers is tied =21st of 51, with 2 others.
The 3 companies in the sector scoring nearest above Honest Burgers.
Costa Coffee discloses emissions data only through Companies House filings, not directly, and relies on intensity-based targets despite rising absolute emissions (+30% in 2022).
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See the breakdown →Wendy's has cut operational emissions 37% since 2019 but masks stagnant total progress through intensity metrics.
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