Diageo plc is a British multinational alcoholic beverages company with its headquarters in London England and offices on six continents and it was the worlds largest distiller.
Diageo was formed in 1997 from the merger of Guinness and Grand Metropolitan. Its creation was driven by Guinness executives Anthony Greener and Philip Yea along with George Bull and John McGrath of Grand Metropolitan. Anthony Greener was the first executive chairman. Shares in Diageo began trading on the London Stock Exchange on 17 December 1997.
Diageo has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. It has a secondary listing on the New York Stock Exchange.