BP plc is the third largest global energy company, the 5th largest company in the world and UK’s largest company,  with headquarters in St James’s, City of Westminster, London. The company is among the largest private sector energy corporation in the world, and one of the six “supermajors” (vertically integrated private sector oil exploration, natural gas, and petroleum product marketing companies). The Company is listed on the London Stock Exchange and is a constituent of the FTSE 100