ISEAL represents the movement of credible and innovative sustainability standards. ISEAL's mission is to strengthen sustainability standards for the benefit of people and the environment. Its membership is open to all multi-stakeholder sustainability standards and accreditation bodies that demonstrate their ability to meet the ISEAL Codes of Good Practice and accompanying requirements, and commit to learning and improving. Through membership in ISEAL, standards systems show a commitment to supporting a unified movement of sustainability standards. ISEAL also has a non-member, subscriber category to engage with governments, researchers, consultants, private sector organisations, non-profit organisations and other stakeholders with a demonstrable commitment to the ISEAL objectives.