IIOA Members

IIOA members are the leading international assurance bodies, bringing decades and in some cases, centuries of expertise in providing  assurance.

By constant attention to the needs of business, regulators, governments, consumers and other stakeholders, IIOA members are at the core of solving some of the greatest challenges. From sustainability services to improve environmental, social, and governance performance, to supply chain solutions, to business performance enhancement through certification, IIOA members strive to always deliver real benefits.

As part of the global quality infrastructure, involving independent accreditation of many services and the use of independently created standards, the assurance from IIOA members always seeks to give assurance and trust in the organisations they work with.

Find out more about each of the IIOA members and what they offer.