“The United Kingdom Accreditation Service (UKAS) is the sole National Accreditation Body for the United Kingdom. UKAS is recognised by government, to assess against internationally agreed standards, organisations that provide certification, testing, inspection and calibration services.

Accreditation by UKAS demonstrates the competence, impartiality and performance capability of these evaluators. In short, UKAS ‘checks the checkers’. UKAS is a non-profit-distributing private company, limited by guarantee. UKAS is independent of Government....

…UKAS accreditation provides an assurance of the competence, impartiality and integrity of conformity assessment bodies [such as the Third Party Certification Bodies who deliver BAFE Scheme assessments].”

https://www.ukas.com/about-us/about-ukas/

Information correct as of 30/03/2021