The leading certification body in Air Tightness Testing. Formed in 2002, with only a handful of members, ATTMA has grown with the air tightness testing industry, creating standards such as TSL1 and TSL2 that are internationally recognised. ATTMA prides itself on being a non-for-profit organisation with all lodgement and member fees being invested in making a better industry for all.
Launched in 2023, ATTMA operates a Personnel Certification Scheme in accordance with ISO/IEC 17024:2012 for individuals conducting domestic ventilation commissioning for Building Regulations with the test standard BSRIA BG 46/2022. Our domestic ventilation commissioning certification scheme is run by the same great team at ATTMA.
ATTMA are committed to running impartial schemes. Our impartiality statement, GDPR data management, data, whistleblowing can be accessed using the links above. This also include ATTMA’s full complaints procedure if you are not happy with ATTMA’s service.
Head Office
Unit 3 Tannery Road Industrial Estate
Tannery Road
High Wycombe
Buckinghamshire
HP13 7EQ
Northern Office
Park House
24 Park Square W
Leeds
LS1 2PW
+44 (0)1494 358 159
admin@bcta.group