The Academic distance-education and residential seminars of the Diplomatic Council are accredited by two British National Accreditation authorities:

The Open and Distance-Learning Quality Council (ODLQC)

and the British Accreditation Council (BAC)

Additionally, the Diplomatic Council is a Member of the Association of British Correspondence Colleges (ABCC); an Institutional Member of the International Council for Distance Education (ICDE) and a Corporate Member of the Royal Institute of International Affairs (RIIA, London).