The AGS Laboratories Working Group aims to (1) promote best practices and improve professional standards for geotechnical and geo-environmental laboratory testing in the UK, and (2) facilitate resolving issues faced by laboratories. The group represents several testing laboratories and works to coordinate industry views on legislation. It has updated safety manuals, provided input on geotechnical laboratory testing standards, and plans seminars on specifying laboratory testing. The group seeks priorities and ensuring quality in the industry.