Proper Snacks is a B Corp–certified plant-based snack maker with strong governance structures but critical transparency gaps. No Scope 1, 2, or 3 emissions data exist despite a 2030 net zero pledge. Supply chain and water impacts remain unmeasured; packaging improvements are underway but lack formal targets.
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SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Controversies & Red Flags and Transparency & Accountability (8/10, 5/10). Weakest on Emissions Trajectory and Carbon Footprint — Supply Chain (2/10, 2/10).
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Among the 41 major food & beverage (non-meat) brands we've scored, Proper Snacks is tied =22nd of 41, with 2 others.
Score history begins 29 May 2026.
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Proper Snacks (formerly WARP Snacks) is a UK-based manufacturer of plant-based snacks including the brands Proper, Eat Real, and Graze. Founded as WARP in the 1970s and rebranded in 2023, the company operates a factory in Nuneaton with ~390 staff and is the UK's fastest-growing independent snacks maker, with double-digit growth and B Corp certification.
Plant-based food company with B Corp credibility facing transparency gaps on emissions measurement.
View breakdown →Established UK snack/beverage maker with sustainability ambitions; comparable scale and governance maturity.
View breakdown →UK healthy snacking competitor; similar supply chain complexity and plant-based positioning.
View breakdown →Plant-based food manufacturer with B Corp status and formal sustainability disclosure structures.
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