Diageo plc is a British multinational alcoholic beverages company headquartered in London, England. It is the world's largest producer of spirits and a major producer of beer and wine. Diageo's brands include Smirnoff (the world's best-selling vodka), Johnnie Walker (the world's best-selling blended Scotch whisky), Baileys (the world's best-selling liqueur), and Guinness (the world's best-selling stout). It also owns 34% of Moët Hennessy, which owns brands including Moët & Chandon, Veuve Clicquot and Hennessy. It sells its products in over 180 countries and has offices in around 80 countries.

Diageo is a world leader in the production of alcoholic beverages, having a famous collection of brands that includes: Johnnie Walker, Crown Royal, J&B, White Horse, Bells, VAT 69, Black & White, Bulleit, Smirnoff, Cîroc, Captain Morgan, Zacapa, Baileys, Don Julio, Tanqueray and others.