Toast Ale is a UK-based craft brewery founded in 2015 that upcycles surplus bread into beer, replacing 25% of malted barley.
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Toast Ale demonstrates genuine circular economy integration and transparent governance, but emissions tracking shows backsliding: 187 tCO2e in 2024 versus 150 in 2023, a 25% increase undercutting credibility. Strong on supply chain visibility and nature partnerships; weak on energy strategy and water quantification. Net Zero 2030 lacks SBTi validation.
Toast Ale scores 57/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.
That places Toast Ale joint 28th of 847 companies scored, and joint 1st of 46 in Food & Beverage (non-meat).
Toast Ale shares top spot among food & beverage (non-meat) peers.
Among the 46 major food & beverage (non-meat) brands we've scored, Toast Ale is tied =1st of 46, with 1 other.
Its three lowest-scoring questions, and what the evidence didn't show.
No disclosure of green tariff, renewable procurement, or Curious Brewery's energy source.
No published water consumption metrics (litres per litre beer, annual total).
The full reasoning is in the ten questions below.
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Controversies & Red Flags and Resource Use & Waste (9/10, 8/10). Weakest on Energy Source and Water Impact (3/10, 4/10).
Toast Ale leads its sector. These are the next 3 down.
Riverford operates a genuinely organic, low-impact supply chain with 100% renewable electricity and strong waste reduction.
See the breakdown →Tony's Chocolonely has built genuine supply chain transparency and deforestation-free cocoa sourcing, backed by satellite mapping and B Corp certification.
See the breakdown →Pip & Nut has built credible sustainability foundations — B Corp certified, SBTi-aligned net zero targets, no palm oil, and active supply chain engagement — but lacks the verification and transparency to back scale-up claims.
See the breakdown →The formula and all 9 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale9 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Toast Ale is a UK-based craft brewery founded in 2015 that upcycles surplus bread into beer, replacing 25% of malted barley. Mission-locked B Corp with profit donation to charity and regenerative agriculture partnerships. Small-scale producer operating asset-light through contract brewing at Curious Brewery in Kent.
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