The Lab (Asia) Limited (TLA) is a fully independent materials testing, inspection, and consulting organization that caters to the construction, civil engineering, highways, airports, and associated industries. With its headquarters in Hong Kong and offices and laboratories in Macau and Zhuhai, TLA offers a comprehensive range of laboratory and site testing operations, materials inspection, investigation, and consultancy services. TLA's services are accredited by the Hong Kong Accreditation Service (HKAS) in accordance with ISO/IEC 17025:2017 and ISO/IEC 17020:2012.

The company has been involved in various infrastructure projects in both the public and private sectors, including dedicated testing and inspection services for the Hong Kong Airport Authority. TLA has also been awarded a contract to support the construction of the third runway, which will feature one of the largest onsite labs in the construction sector, staffed by over 300 experts. In 2021, TLA became a wholly owned subsidiary of the SGS Group, following the initial acquisition of a minority stake in 2016.

TLA prides itself on its dedication to delivering best-in-class construction material solutions, providing precise and efficient services to builders and contractors to support their project development process