Paychex Flex vs Square Payroll
Side-by-side from the Top 11 ranking of The 11 Best Payroll Software for SMBs (2026). Last verified May 31, 2026.
The short answer
Paychex Flex ranks higher on Top 11 (#6 vs #8) for Small business owners running payroll without in-house HR. A comprehensive HR platform from an industry veteran, ideal for businesses needing more than just payroll.
At a glance
| Paychex Flex | Square Payroll | |
|---|---|---|
| Top 11 rank | #6 / The 11 Best Payroll Software for SMBs (2026) | #8 / The 11 Best Payroll Software for SMBs (2026) |
| Score (out of 9.4) | 8.2 | 7.9 |
| Best for | All-in-one HR services | Businesses using Square POS |
| Pricing | $$$ (Varies by quote) | $$ ($41+/mo) |
| HQ | Rochester, USA | San Francisco, USA |
| Founded | 1971 | 2009 |
Paychex Flex
A comprehensive HR platform from an industry veteran, ideal for businesses needing more than just payroll.
www.paychex.com/paychex-flexSee full entry in The 11 Best Payroll Software for SMBs (2026)
Square Payroll
Perfect for Square POS users, with seamless integration of hours, tips, and commissions.
squareup.com/us/en/payrollSee full entry in The 11 Best Payroll Software for SMBs (2026)
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.