Automatic Data Processing

ADP, short for Automatic Data Processing, runs payroll and HR services for small, midsized and large businesses, alongside tax and compliance handling and benefit administration.

What ADP offers

• Payroll and HR — core services for businesses of any size, with self-guided demos matched to business size.
• PEO and HR outsourcing — Professional Employer Organization services for businesses wanting outsourced HR support.
• Tax and compliance — handling that adapts as regulations change across the places a business operates.
• Benefit administration — managing employee benefits alongside payroll.
• AI-assisted support — AI features handle routine tasks while more complex or unusual situations are directed to ADP's own specialists.

Who it works with

ADP serves small, midsized and large businesses, and says its systems pay over one in six workers in the market it reports on.

Key facts

• Based in: United States