The UK Royal Accreditation Board, UKAS, UnitedKingdomAccreditationService, is the national authority responsible for accreditation and accreditation and laboratory testing and accreditation, and is the most authoritative accredited body of the Commonwealth and even the world.

       The UK is one of the countries that have been certified earlier. The former National Bureau of Metrology was associated with UKAS's predecessor, BCS, NATLAS and NAMAS, and was sent to NAMAS for further study. After the establishment of the State Bureau of Technical Supervision, China's certification department has repeatedly visited the British certification system. NACCB and now UKAS have received a number of national bureau delegations.

       In addition, Lloyd's Register of Shipping LR has contacts with the National Bureau.

British Lloyd's Register is also the world's first established a classification society, its institutions are large, long history, in the world of the ship sector is renowned, is internationally recognized as the authority of the ship authority certification Institutions, in the military, engineering and other aspects of quite famous. It is mainly engaged in the development and publication of the relevant ship standards, ship inspection, test shipments, announced shipbuilding rules. There are offices or surveyors in ports in many countries. It has been involved in the revision of the ISO9000 standard and the modification of the approval regulations. There are more than 30 representative offices around the world, recruiting auditors in the local, engaged in certification work.

       The agency has received many delegations in China, the exchange of ISO9000 standards on the understanding, review, certification steps, but do not intend to cooperate with China's certification bodies, and want to open the market in China. At present, the agency has a representative office in China, Beijing, Shanghai and Hong Kong, employing China's auditors.