As of January 2026 Paychex has a market cap of $39.60 Billion USD. This makes Paychex the world's 614th 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 13th, 2026 the market cap of Paychex was reported to be: