ADP

ADP (Automatic Data Processing, Inc.) is a leading provider of human resources management software and services, established in 1949. Headquartered in Roseland, New Jersey, ADP has grown to employ around 67,000 people globally and processes payroll for approximately 20% of the U.S. workforce. The company reported $20.6 billion in revenue for fiscal year 2025.

ADP offers a wide range of human capital management solutions, including automated payroll services, tax and compliance management, benefits administration, talent management tools, time and attendance systems, and professional employer organization (PEO) services. The company also supports multinational payroll and HR needs through its Employer Services International division. With a diverse customer base of over one million businesses, ADP caters to organizations of all sizes across various industries, helping them streamline HR processes and improve workforce management.