As of January 2026 AECOM has a market cap of $13.00 Billion USD. This makes AECOM the world's 1648th 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 14th, 2026 the market cap of AECOM was reported to be: