We are pleased to inform that the latest firmware update for NTi Audio XL2, Version 4.20 has been tested by SITMA and works with the SITMA Portal & reporting system.
The Building Compliance Testers Association (BCTA) and Cleaner Safer Group (CSG) formally merged on 2 March 2026, bringing five certification and compliance
SITMA members have now lodged more than 200,000 tests across over 35,000 unique sites, since SITMA started in 2018, a
Effective from 16th April 2025, SITMA will begin issuing physical certification certificates to testers following the successful completion of their
SITMA are committed to running impartial schemes. Our impartiality statement, GDPR data management, data, whistleblowing policies can be accessed using the links above. This also include SITMA’s full complaints procedure if you are not happy with SITMA’s service.
The Sound Insulation Testing & Measurement Association
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