As of December 2025 Ameresco has a market cap of โน143.70 Billion. This makes Ameresco the world's 5094th 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 Dec 13th, 2025 the market cap of Ameresco was reported to be: