BAE Systems plc (BAE) trading under BA. on London Stock Exchange is a British multinational arms, security and aerospace company, based in London, England. It is the biggest manufacturer in Britain as of 2017. It is the largest defence contractor in Europe and the seventh-largest in the world based on applicable 2021 revenues.
BAE is the largest operations are in the United Kingdom and in the United States, where its BAE Systems Inc. subsidiary is one of the six largest suppliers to the US Department of Defense. Its next biggest markets are Saudi Arabia, then Australia; other major markets include Canada, Japan, India, Turkey, Qatar, Oman and Sweden.
The company was formed on 30 November 1999 by the £7.7 billion purchase of and merger with Marconi Electronic Systems (MES), the defence electronics and naval shipbuilding subsidiary of the General Electric Company plc (GEC), by British Aerospace, an aircraft, munitions and naval systems manufacturer.
BAE share price launched at 94p in 1988.