As of February 2026 Diageo has a market cap of โฌ45.72 Billion. This makes Diageo the world's 447th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Feb 7th, 2026 the market cap of Diageo was reported to be: