The British drinks group Diageo Plc. with its headquarters in London is one of the largest drinks groups in the world. The shares of the company, which operates in more than 180 countries, are traded on the London Stock Exchange. Diageo was formed in 1997 from a merger of Guinness and Grand Metropolitan. The company was renamed Diageo in 2000. The artificial word is formed from "Dia" (Latin for "day") and "Geo" (Greek for "world"). This symbolises the fact that various products are produced and consumed worldwide on a daily basis.

Diageo used to be heavily involved in the wine business, but has withdrawn from this area and is now focussing on spirits, beer and ready-to-drink products. In 2015, the majority of the wine divisions in the USA and England were sold to Treasury Wine Estates, underlining the company's strategic change.
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