Byron Burger has published zero emissions data, no reduction targets, and no sustainability governance despite operating a beef-heavy restaurant chain with material carbon and nature impacts. A single unverified claim about recyclable packaging masks complete absence of climate strategy or accountability.
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SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Controversies & Red Flags and Energy Source (7/10, 2/10). Weakest on Targets & Commitments and Transparency & Accountability (0/10, 1/10).
5 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
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Among the 46 major food service / restaurants brands we've scored, Byron Burger sits 38th of 46.
Score history begins 9 April 2026.
As Byron Burger's score updates, the trajectory will appear here.
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Byron Burger is a UK-based casual dining chain specializing in beef burgers sourced from UK and Irish grass-fed cattle. Operating approximately 9–12 restaurants post-insolvency restructuring, it has undergone multiple administrations (2020, 2023) and was acquired by Niyamo Capital in late 2025.
Fast-casual burger peer with similar supply-chain carbon exposure but marginally better disclosure practices.
View breakdown →Global burger QSR with material beef footprint but far larger scale and published sustainability targets.
View breakdown →UK independent burger chain competitor operating in same market segment with lower transparency baseline.
View breakdown →UK casual dining peer with similar footprint structure but greater sustainability governance maturity.
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