Automatic Data Processing, Inc., also known as ADPยฎ, is a leading global technology company providing human capital management (HCM) solutions. With over 1.1 million clients, ADP is considered a leading provider of HR services such as talent, time management, benefits and payroll.
As of January 2026 Automatic Data Processing has a market cap of โน9.148 Trillion. This makes Automatic Data Processing the world's 213th 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.