The National Measurement Laboratory (NML), hosted by LGC, is the UK’s Designated Institute for chemical and biological measurement. It provides world-leading measurement science and supports the resilient measurement infrastructure serving the health, food and sustainability sectors. Its work helps ensure the safety of medicines, enable better and faster diagnostics, protect food authenticity and safety, and monitor the environment.

NML offers reference measurement procedures and materials, calibration services, expert advice and specialist training. Through these services, alongside strategic partnerships and collaboration, it helps organisations produce accurate, reliable and internationally comparable measurements and data. Its expertise supports public health, product safety and innovation across science and commerce.

The laboratory’s priorities include diagnostics, engineering biology, nanotechnology, skills and sustainability, with a focus on emerging technologies and global challenges. NML also provides access to programmes, networks, commercial expertise and strategic partnerships. By developing and applying high-quality measurement science, the organisation aims to address complex measurement challenges and maintain confidence in the results that underpin research, products and services in the UK and internationally.