St. James's Gate Brewery (Irish: Grúdlann Gheata Naomh Séamuis) is a brewery founded in 1759 in Dublin, Ireland, by Arthur Guinness. The company is now a part of Diageo, a company formed from the merger of Guinness and Grand Metropolitan in 1997. The main product of the brewery is Guinness Draught.Originally leased in 1759 to Arthur Guinness at £45 per year for 9,000 years, St. James's Gate has been the home of Guinness ever since.