British Gas

British Gas belongs to Centrica plc through British Gas Services Limited / British Gas New Heating Limited. British Gas is owned by Centrica plc, headquartered in the United Kingdom. No. The ultimate owner of British Gas, Centrica plc, is headquartered in the United Kingdom, not in the United States.

Centrica is a British multinational energy and services company headquartered in Windsor. It is a constituent of the FTSE 100 Index and focuses on supplying electricity and gas to consumers in the UK and Ireland.