BTTG® is accredited to:

BS EN ISO/IEC 17025:2017. The internationally recognised standard BS EN ISO/IEC 17025 includes quality system requirements specifically designed for testing laboratories.

To view our Schedule of Accreditation please click here  

ISO/IEC 17021-1: 2015.  This internationally recognised standard sets out requirements which apply specifically to approval organisations and certification bodies, and serve as the foundation to facilitate the recognition of management system certification to improve international trade.

 To view our Schedule of Accreditation please click here

BS EN ISO/IEC 17065:2012.  This International Standard specifies requirements; the observance of which is intended to ensure that certification bodies operate certification schemes in a competent, consistent and impartial manner.


To view our Schedule of Accreditation please click here 


To view our flexible scope accreditation list under UKAS Testing No 1066, please click here.

To view our Accredited Tests, please click here.