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OneWorldStandards is based in London, UK and works internationally. Send us an email using this form – or write directly to contact@oneworldstandards.com.

  • What people say about us

    “The Alliance for Water Stewardship work was heavily guided by Matthew's initial reports and thinking. His breadth and depth of experience and his knowledge of ISEAL's standards and other standards is arguably as strong as anyone's on the planet and he can therefore bring learning from peer systems to bear.” – Alexis Morgan, Water Stewardship Specialist, WWF International