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Largest US payroll and HCM provider, paying roughly one in six US workers; publisher of the ADP National Employment Report.
Q3 2024-Q2 2026
Q3 2024-Q2 2026
Q3 2024-Q2 2026
ADP (ADP) is a Software: Application company. Largest US payroll and HCM provider, paying roughly one in six US workers; publisher of the ADP National Employment Report. It was founded in 1949, is headquartered in Roseland, NJ and employs about 64,000 people.
As of 2026-Q1, ADP's revenue breaks down across HCM (45%), Professional Employee Organization Services (21%), HRO (20%), Global (14%). See the revenue-by-segment chart for the full mix.
Track ADP's quarterly and annual revenue, gross and net margins, and EPS in the interactive charts on this page. Data last updated July 31, 2026.
Sterling groups ADP in the Enterprise Software sector, alongside Paychex (PAYX), Workday (WDAY), Paycom (PAYC) and Paylocity (PCTY).
If you are researching ADP, also look at Paychex (PAYX), Workday (WDAY) and Paycom (PAYC). You can compare all of them side by side or browse the full Enterprise Software sector on Sterling.