As of December 2025 Paychex has a market cap of C$55.71 Billion. This makes Paychex the world's 569th 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 6th, 2025 the market cap of Paychex was reported to be: