As of March 2026 Tetra Tech has a market cap of S$10.28 Billion. This makes Tetra Tech the world's 2259th 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 Mar 18th, 2026 the market cap of Tetra Tech was reported to be: