We help organisations communicate with confidence. By affirming four core standards – transparency, accountability, fairness, and honesty – signatories gain independent validation, tailored guidance, and ongoing support. The result is stronger governance, reduced risk, and greater trust. Together, we’re building a business environment where credible and responsible communication is recognised.
TRUSTED BY INDUSTRY LEADERS
Our signatories are forward-thinking organisations leading on sustainability.
How It Works
Joining the Charter is straightforward, supportive, and built around recognising your responsible approach.
Application and Assessment
We begin with a review of your current sustainability communications, presence, and history – shaping the right pathway for your organisation.
Development and Approval
Work closely with our experts through a structured period of content reviews, training, and the creation of a bespoke Green Claims Policy.
Recognition and Verification
Once approved, you’ll gain certified signatory status, backed by continuous support, campaign reviews, and guidance to maintain standards.
Signatories’ Insights
See how leading organisations are setting the benchmark for credible, responsible sustainability communication.
“Signing The Anti-Greenwash Charter gave us confidence in our sustainability messaging. Independent validation has strengthened our reputation and reassured both customers and colleagues.”
“The guidance and reviews have been invaluable. The Charter helped our team improve how we communicate, making sure every claim is backed by evidence and expressed with clarity.”
“Joining the Charter has shown our stakeholders that we take integrity seriously, helping us build greater trust while standing out as a responsible communicator and leader in our industry.”
The Charter
By becoming a signatory, your organisation affirms its commitment to the following four core standards of responsible communication, with independent validation and public recognition of your practice.
1.
Transparency
Clearly communicate the sustainability benefits of your product or service, ensuring no important information is concealed or omitted.
2.
Accountability
Substantiate your claims with accurate, empirical evidence that is regularly evaluated. Share verifiable facts, figures, and statements.
3.
Fairness
Use fair, clear, and unambiguous language when making comparisons with other products or organisations.
4.
Honesty
Make specific, truthful statements about your sustainability efforts, and ensure your actions align with your promises.
Insights and Impact
Explore real-world case studies and guidance on what good sustainability communication looks like, and why it matters​. View all here.
Why Sustainability and Responsible Communication Aren’t the Same Thing
A company can be highly sustainable yet misleading in its messaging—or less sustainable but honest about its limits.
Why I Left the Agency World to Build Trust in Sustainability
In this personal reflection, Charlie Martin shares why he stepped away from agency life to launch The Anti-Greenwash Charter.
The Anti-Greenwash Charter: From One Brief to a Shared Commitment
Discover how The Anti-Greenwash Charter began with a single client brief and became a growing, global movement for clear, credible sustainability communications.