ISO 9002 : 1994 certified: | AJA Registrars Ltd. |
ISO 9001 : 2000 certified: | United Registrar of Systems (Thailand) Limited. |
ISO 9001 : 2008 certified: | United Registrar of Systems (Thailand) Limited. |
ISO 9001 : 2015 certified: | United Registrar of Systems (Thailand) Limited. |