British Gas is the UK’s leading energy supplier, supporting around 500,000 businesses with commercial gas and electricity, and around twelve million homes.

British Gas is considered one of the Big Six, dominating the gas and electricity market in the United Kingdom. They’re one of the oldest companies in the world, with a history stretching back over 200 years.

Their owner, Centrica Plc, is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.