Byron Burger publishes no emissions data, targets, or sustainability strategy despite operating a beef-heavy restaurant chain with material operational and supply-chain carbon impact. The company's sole environmental claim—recyclable packaging—is unverified marketing language. Multiple insolvencies and recent ownership change signal financial distress, not environmental commitment.
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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.
Limited data coverage. This assessment is based on 5 sources, 20% of which are self-reported by the company. Scores may change as independent evidence becomes available.
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Among the 46 major food service / restaurants brands we've scored, Byron Burger is tied =37th of 46, with 2 others.
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, founded in 2007 and headquartered in London. Operating approximately 9–12 sites following multiple restructurings, the company sources grass-fed UK and Irish beef and operates commercial kitchens with significant energy and water use. Currently owned by Niyamo Capital as of December 2025.
Global fast-casual burger chain with similarly weak emissions disclosure and no published carbon reduction targets.
View breakdown →Peer burger restaurant operator with comparable supply-chain beef dependency and minimal sustainability reporting.
View breakdown →UK independent burger chain; direct competitor with equivalent scale and undisclosed environmental footprint.
View breakdown →Premium UK burger operator; similar beef-heavy menu and absence of formal emissions or supply-chain policy.
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