This is a not for profit website for people with a legitimate interest in ISO 20400 to share their knowledge and experience. We cannot take responsibility for the validity of the content shared.


ISO 20400 was developed by an international committee of experts over a period of four years. When the standard was complete, the committee endorsed a proposal from the Australian delegation to set up a global web resource to promote the standard and share learning. This was unanimously endorsed by the committee and the UK and Australian delegations worked together to develop the concept 


This initiative is governed by an international steering group. The group meets quarterly by conference call and will evolve as the initiative grows. Minutes of steering group meetings will be posted on this site.

Steering Group

The Steering Group is formed from members of the PC 277 / ISO 20400 committee who have kindly offered their time and expertise to ensure the website and the information posted on it is to the benefit of all.


We are grateful to our donors. We welcome donations from those interested in funding and helping to steer this important not for profit initiative. If you would like to explore becoming a donor, please contact

Delivery partner

This service is managed by Carole Ann Smith of Action Sustainability Community Interest Company.