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Consumer & Commerce United Kingdom

Green Claims & Greenwashing Compliance Check

Check whether your environmental, sustainability, or 'eco-friendly' marketing claims comply with the CMA's Green Claims Code and the Digital Markets, Competition and Consumers Act 2024, or risk being investigated as greenwashing.

Start free check 10 questions · 6 minutes · No signup
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Did you know? The numbers behind this check.

  • Up to 10% global turnoverCMA direct fining power
  • 6 April 2025 (DMCCA 2024)In force since
  • 6 core principlesGreen Claims Code principles
  • ASA / CAP CodeAlso enforced by

Why this matters.

The Digital Markets, Competition and Consumers Act 2024 gave the Competition and Markets Authority direct enforcement powers over unfair commercial practices from 6 April 2025, including the power to fine businesses up to 10% of global turnover without going to court first — a major escalation from the CMA’s previous approach of persuasion and court referrals. Environmental claims sit squarely in the CMA’s sights: its Green Claims Code, in force since 2021 and built on existing consumer protection law, requires that claims like “eco-friendly,” “sustainable,” “carbon neutral,” or “recyclable” are truthful, substantiated, clear, and don’t omit or hide important information. The CMA has already run sector-wide investigations into fashion retailers and fast-moving consumer goods over misleading green claims, secured commitments from major brands, and made clear that any business making environmental claims — not just retailers — is within scope.

For small and medium businesses, the risk isn’t limited to CMA enforcement: the Advertising Standards Authority’s CAP Code enforces the same substantiation standard for ads and marketing, and competitors or consumers can complain about claims that can’t be backed up with evidence. Common problem areas include vague terms like “green” or “kind to the planet” used without qualification, claims based on a single attribute (e.g. recyclable packaging) that imply the whole product or business is sustainable, comparative claims (“greener than ever”) without a clear baseline, and aspirational net-zero pledges presented as already-achieved facts. With enforcement now faster and penalties significantly higher under the 2024 Act, businesses using environmental or sustainability language in marketing, packaging, or product listings should check their claims can be substantiated before they attract regulatory or reputational risk.

Have these to hand.

  • Any environmental, sustainability, or 'eco' claims currently used in your marketing, packaging, website, or product listings
  • Whether you have evidence or data to substantiate those claims (e.g. certifications, lifecycle assessments, third-party verification)
  • Whether any claims relate to the whole business/product or just one attribute (e.g. packaging, one ingredient, one process)
  • Any net-zero, carbon-neutral, or offsetting commitments you've made publicly

What you’ll get.

  • 1A score out of 100Where you stand today, at a glance.
  • 2Findings ranked by riskWhat could cost you, highest risk first.
  • 3A plan with timeframesWhat to fix first and by when.

This free tool checks your environmental and sustainability marketing claims against the CMA’s Green Claims Code and the Digital Markets, Competition and Consumers Act 2024, helping you spot greenwashing risks before a regulator or competitor does.

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General guidance only, not legal advice. Consult a qualified solicitor or adviser in your jurisdiction for specific issues.