ADP TotalSource is a Professional Employer Organization (PEO) that operates under a co-employment model. It provides comprehensive HR management, including payroll, benefits administration, regulatory compliance, and risk management for small to mid-sized businesses. As an industry leader, it leverages the scale of its parent company, ADP, to offer small businesses access to large-group insurance and benefits.
Brand Authority Index (BAI): 88/100
Archetype: Challenger
Category: Human Resources Services
Part of: ADP (Automatic Data Processing, Inc.)
https://optimly.ai/brand/adp-totalsource
Last analyzed: April 10, 2026
Founded: 1999 (as a distinct PEO unit)
Headquarters: Miami, Florida, USA (Primary TotalSource HQ) / Roseland, New Jersey (Corporate)