AQU Catalunya has been a full member of the European Association for Quality Assurance in Higher Education (ENQA) since its inception in 2000. The Catalan Agency currently has one representative on the ENQA Board, the executive body that coordinates the European Association of QA agencies. On behalf of ENQA, the AQU's representative is also on the European Quality Assurance Forum (EQAF) Steering Comittee.
The International Network for Quality Assurance Agencies in Higher Education (INQAAHE) is an international association with over 200 organisations active in the theory and practice of quality assurance in higher education, the majority of them QA agencies. AQU Catalunya has been a member of the world-wide network of agencies since 1998.
In 2010, AQU Catalunya joined the European Consortium for Accreditation in higher education (ECA), the aim of which is the mutual recognition of accreditation and quality assurance decisions. The work of ECA is carried out mainly by working groups, each of which is made up of representatives of the member agencies.