Gymshark calculates emissions internally but refuses to publish them, blocking independent verification of its climate progress. SBTi targets exist on paper; no evidence shows delivery. Waste and materials work is marginal. The credible NGO consensus is that Gymshark's sustainability claims outpace its transparency.
Same formula for every company. No curve. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Controversies & Red Flags and Resource Use & Waste (6/10, 4/10). Weakest on Emissions Trajectory and Nature & Biodiversity Impact (1/10, 2/10).
9 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Among the 17 major apparel (fast fashion) brands we've scored, Gymshark sits 10th of 17.
Score history begins 11 April 2026.
As Gymshark's score updates, the trajectory will appear here.
We're backfilling historical scores for FTSE 100 and S&P 100 companies over the coming weeks.
Every challenge is published. We'd rather be corrected than wrong — that's the whole point.
No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.
Gymshark is a UK-based athletic apparel brand founded in 2012, specializing in gym wear and activewear. It operates globally with ~841 employees and FY2023 revenues of £556M. Known for direct-to-consumer digital marketing and synthetic-fibre-dominant product ranges, it competes in fast-fashion sportswear alongside Nike and Lululemon.
Large apparel brand with SBTi targets; comparable scale but Nike publishes emissions data and has higher transparency.
View breakdown →Fast-fashion apparel peer operating globally; both face NGO criticism on transparency and supply chain accountability.
View breakdown →Smaller sustainability-focused apparel brand; contrasts with Gymshark's technology-first positioning and lower disclosure.
View breakdown →UK fast-fashion competitor; both face credibility gaps between stated commitments and verified environmental delivery.
View breakdown →Email alerts when a rubric question is verified, a challenge is resolved, or the overall score changes.
One email, every Sunday. Score changes, new research, the stories behind the numbers. Free.
No spam. Unsubscribe in one click.
Readers and institutions support our work. Companies can pay to submit evidence we couldn't find. Neither type of payment changes a score.