For a Truly
Sustainable Future.

Apply to become a signatory of The Anti-Greenwash Charter, adopt a Green Claims Policy, and allow us to verify your marketing practices and campaigns. Together, we can stamp-out the harmful effects of greenwashing on the development of a truly sustainable future.

Why verify your marketing practice?

In today’s environmentally-conscious world, customers demand authenticity, increasingly prioritising brands renowned for genuine, verified sustainability efforts.

Greenwashing – exaggerating environmental credentials to gain an unfair advantage – not only misleads customers but also erodes industry-wide trust.

As a result, proactive organisations must look for ways to be more transparent, accountable, fair, and honest when highlighting their green credentials.


By signing the Anti-Greenwash Charter, your organisation can not only underscore its commitment to responsible marketing practice but also lead by example, inspiring industry peers.

Enabling independent verification of your practice will reinforce your credibility, reassure customers, and offer you a competitive advantage in your market.

Moreover, access to our expert support in crafting your Green Claims Policy will ensure that you adopt best practice, and mitigate against the risks of greenwashing.

Signatories’ Thoughts.

“Creating our Green Claims Policy has helped us tidy up our thinking about how we implement responsible marketing practice and ensure we deliver our sustainability messages with clarity. We were able to review all aspects of claims and by doing so, present them in a way that is easily understandable!”


“Ensuring the accuracy of our environmental claims has always been important to us but in putting together our Green Claims Policy we were prompted to think more deeply about the ways in which we communicate our claims and whether they are presented in a way that is clear and comprehensible by all.”


“We are determined to champion responsible marketing practices across the timber supply chain, which is why we’ve decided to sign The Anti-Greenwash Charter, and develop our policy and associated guidance to help our members, and others in the industry make the correct claims.”


Supported By.




You will commit to clear communication of what sustainability benefit your product or service offers and won’t conceal or omit information.



You will substantiate your sustainability claims with accurate, and regularly evaluated empirical evidence. You’ll commit to sharing facts, figures and statements that can be checked.



You will commit to using fair, clear and unambiguous language when providing comparisons with other products or organisations.



You will ensure you make specific statements about your organisation’s sustainability efforts and that your actions match those promises.

Certified Signatories.

Here are just some of the growing number of businesses, trade associations and professional and educational institutions that have joined us and made a public commitment to uphold responsible marketing practices.

How it Works.

The following outlines our simple, three-stage process to become a certified Charter signatory. Once completed, and your license fee is paid, you will receive assets to promote your certified status.

Complete the Questionnaire

Start your journey to becoming a certified signatory by completing our marketing practice questionnaire. Next, we will review your responses, before confirming your suitability as a prospective signatory.

Create a Policy

Following a successful review of your questionnaire, we will help you to create your own Green Claims Policy, detailing your responsible marketing practices and procedures. Upon approval and publication, you will be confirmed as a certified signatory and provided with a logo to share your verified status across your collateral.

Allow Independent Reviews

Our periodic reviews of your marketing activities will verify ongoing compliance with your Green Claims Policy. Non-compliance may result in your certified signatory status being revoked. We will also remind you to review your policy in light of new best-practice or changes to relevant legislation.


Apply to Become a Certified Signatory.

Take the first step towards becoming a certified signatory by completing the following questionnaire about your organisation’s current marketing practices. We will then complete your Initial Assessment, before confirming your suitability to join the Charter.

If you suspect one of our signatories of greenwashing, please share your concern with us here and we will investigate promptly.

Insights & Opinions.

Checkout our latest articles that delve into responsible marketing trends, expose deceptive practices, and champion genuine sustainability. Read more articles here.