“Recyclable”, “CO₂ neutral”, “more efficient than the previous model”: a claim that holds up is one you can simply make. The European directive against greenwashing (EmpCo) does set stricter requirements for substantiation and wording. That is why we built our legal assessment into this check: an AI analysis that reads your claim in its context and tests it systematically against EmpCo, the Unfair Commercial Practices Directive and the Dutch regulator ACM’s Guidelines on Sustainability Claims, with the legal basis behind every assessment.
Start the checkTwenty to thirty questions, tailored to your claim. Then a report with a substantiated assessment per criterion.

Test and refine your claims before a regulator or competitor takes a look.
Test a claim you come across and share the outcome with the company as a constructive starting point for a conversation.
Since 27 September 2026, new rules on sustainability claims apply across the EU. Generic environmental claims, claims based on carbon offsetting and self-made sustainability labels are no longer permitted. Want to know how a claim from your company or your favourite product holds up? Test one claim at a time with our tool, using twenty to thirty targeted questions.
Take a photo of the packaging, paste the link to the page or type the claim.
Our AI reads what the claim is about and who it is meant for. You check and confirm this.
You first answer the main questions about the claim. After that you can test the substantiation and the available evidence further.
You receive a report with a substantiated assessment per criterion, the legal basis and, where needed, a concrete suggestion for wording that does fit.
The check deliberately never approves a claim: after all, it does not see your evidence. What you do see with every outcome is exactly what is still needed to use your claim well substantiated.
The claim hits an absolute prohibition. You get the provision plus one or two wordings that make the same point without hitting it.
The claim can work, with evidence that is correct and findable. You see exactly which evidence question is still open.
On the points the check can test, the claim holds. The evidence itself stays unseen, so have your substantiation reviewed.
The outcome comes from a fixed rule set based on directive (EU) 2024/825 and the unfair commercial practices directive 2005/29/EC, with the ACM guidance on sustainability claims as explanation. Our AI reads and phrases, the judgement comes from those rules.
What is greenwashing, what does the law say and how do you write a claim that is allowed?
What greenwashing is, how to recognise it and how to communicate honestly about sustainability.
Read moreWhich rules have applied to sustainability claims since 27 September 2026, and what the regulator can do.
Read moreFrom climate neutral to your own logo: for each claim why not, and what to say instead.
Read moreWhat a label is still worth, and when you may use a sustainability logo.
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