ADP Run vs Justworks
Side-by-side from the Top 11 rankings of The 11 Best Payroll Software for SMBs (2026) and The 11 Best HR Software for Small Business (2026). Last verified May 31, 2026.
The short answer
Justworks ranks higher on Top 11 (#4 vs #5) for Small business owners running payroll without in-house HR / Small business owners choosing HR software (Rippling vs Gusto vs BambooHR vs Zenefits). A modern, easy-to-use PEO that provides access to excellent large-group benefits.
At a glance
| ADP Run | Justworks | |
|---|---|---|
| Top 11 rank | #5 / The 11 Best Payroll Software for SMBs (2026) | #4 / The 11 Best HR Software for Small Business (2026) |
| Score (out of 9.4) | 8.4 | 8.5 |
| Best for | Reliability and scalability | Best PEO for benefits |
| Pricing | $$$ (Varies by quote) | $$$ ($59 to $99 PEPM) |
| HQ | Roseland, USA | New York, USA |
| Founded | 1949 | 2012 |
ADP Run
The SMB solution from an industry giant, offering unmatched reliability, compliance, and scalability.
www.adp.com/what-we-offer/by-business-size/small-business.aspxSee full entry in The 11 Best Payroll Software for SMBs (2026)
Justworks
A modern, easy-to-use PEO that provides access to excellent large-group benefits.
www.justworks.comSee full entry in The 11 Best HR Software for Small Business (2026)
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.