As of January 2026 Gartner has a market cap of ยฃ13.63 Billion. This makes Gartner the world's 1237th 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 Jan 11th, 2026 the market cap of Gartner was reported to be: