We transport gas throughout Great Britain, repair and maintain gas pipelines, and manage the meters that allow millions of homes and businesses to access the energy they need. Our nationally important infrastructure and operations help to keep the lights on, fuel businesses and keep homes warm.

National Gas Transmission owns, operates and maintains the gas National Transmission System (NTS), comprising nearly 5,000 miles of high-pressure pipelines and associated assets. National Gas Metering maintains and oversees millions of metering assets across Great Britain – covering connection, installation, management and maintenance. National Gas Services is the UK's trusted authority in pipeline repair, maintenance and intervention – carrying out planned and emergency interventions across the gas network. Premtech is the UK’s foremost engineering design consultancy, specialising in high-pressure onshore pipelines and associated infrastructure for the energy sector.