LGC Genomics We are an international leader in the laboratory services, measurement standards, reference materials and proficiency testing marketplaces. Our products and services enable our customers to achieve excellence in investigative, diagnostic and measurement science and to conform to international statutory and regulatory standards. LGC is the UK’s designated National Measurement Institute for chemical and biochemical analysis , the National Reference Laboratory for a range of key areas, and is also the host organisation for the UK’s Government Chemist function.