Company Insights
Published on
April 22, 2026

How Many People Work at ADP? Headcount and Employee Trends

Total Employees
37032
7.2% from last year
2065
New Hires (YTD)
1761
5% of total workforce
Departments
19
650 in Engineering
Locations
18
5,012 in New York, NY
  • ADP is a global leader in HR and payroll solutions, providing services to over 26 million private-sector employees across more than 40 countries.
  • In April 2026, ADP launched an AI agent named ADP Assist within its Global Payroll system to enhance accuracy and efficiency by scanning payroll data for errors and suggesting corrective actions.
  • ADP's National Employment Report, produced in collaboration with the Stanford Digital Economy Lab, provides insights into private sector employment trends, highlighting a 62,000 job increase in March 2026 and a 4.5% annual pay growth.
  • ADP's ideal buyers are HR and payroll teams in enterprises and mid-market companies seeking to streamline payroll processes and reduce manual reconciliation efforts, especially with the integration of AI technology.

ADP Headcount Breakdown by Department

Sales and Support is ADP’s largest function with about 10,300 employees, representing roughly one-quarter of the organization. Engineering follows at just under 6,900 team members, underscoring the company’s investment in product development and platform reliability. Marketing and Product teams account for a further 6,000 employees, while Human Resources, Finance & Administration, and Business Management each contribute between 2,600 and 3,000 employees. Smaller but still significant groups in Program & Project Management, Operations, Consulting, and an "Other" category round out the staff, illustrating a balanced distribution between client-facing roles and internal enablement functions.

Sales and Support
10327
Engineering
6847
Marketing and Product
6071
Human Resources
2974
Finance and Administration
2916
Business Management
2649
Program and Project Management
1776
Operations
881
Consulting
833
Other
1758

ADP Employees by Location

Employee data point to a widely distributed workforce. Approximately 80 % of staff are spread across numerous "Other" locations worldwide, highlighting ADP’s broad footprint and remote-friendly approach. The largest named hub is New York, hosting about 1,800 employees. Additional U.S. concentrations include Atlanta, El Paso, Alpharetta, Allentown, Chicago, Louisville, and Augusta, each employing between 400 and 1,200 people. Hyderabad serves as a prominent international site with more than 600 team members, showcasing the company’s multi-continent talent strategy.

New York, NY
1776
El Paso, TX
1002
Atlanta, GA
1215
Hyderabad, India
644
Alpharetta, GA
676
Allentown, PA
517
Chicago, IL
443
Louisville, KY
404
Augusta, GA
602
Other
29753
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