Head to head · HR and Payroll

Paychex vs Justworks

A veteran payroll bureau against an all inclusive PEO. Paychex Flex pairs full service domestic payroll with dedicated specialists and a deep PEO option; Justworks co employs your team and bundles payroll, compliance and quality benefits into one flat per employee price. The right pick turns on which model you want. Here is how they compare.

Reviewed by M. HALLORAN·Updated MAY 2026·How we vet
★ Our pick
Paychex
83 /100
vs
Challenger
Justworks
85 /100
◂ Paychex Advantage Justworks ▸
A close call that turns on your model · Paychex wins on payroll depth, dedicated service and the path to scale, Justworks on bundled benefits, simplicity and flat, transparent pricing.

These are affiliate links marked rel=“sponsored”. We may earn a commission if you buy · it never affects our scores or who wins. Disclosure.

How they score

Criteria Paychex Justworks Winner
Payroll and tax depth
90
80
Paychex
Dedicated support
88
82
Paychex
Benefits administration
84
90
Justworks
PEO and co employment
84
92
Justworks
Ease of use and simplicity
72
88
Justworks
Pricing transparency
62
82
Justworks

Scores are our editorial assessment against the VettedSaaS rubric · not vendor supplied.

Choose Paychex if…
+You want full service payroll run for you
+A dedicated payroll specialist matters
+You expect to scale or need deep tax help
+You may want a flexible PEO or HR bundle
Choose Justworks if…
+You want a PEO to co employ and handle compliance
+Access to large group benefits matters
+You prefer one simple flat per employee price
+A small team wants HR and payroll off its plate

Feature by feature

✓ full  ·  ∼ partial  ·  — none
Capability Paychex Justworks
Full service payroll and tax filing
Dedicated payroll specialist
PEO and co employment
Large group benefits access
Flat, predictable pricing
Scales to large enterprise

Feature support verified as of June 2026 · check the vendor for current details.

Pricing, side by side

Base fee plus per employee, where listed
Paychex Our pick
Essentials $39
Select Quote
Pro Quote
Justworks Challenger
Payroll $8 + $50 base
PEO Basic $79
PEO Plus $109

Pricing as of June 2026, per employee per month unless noted. Paychex Flex publishes Essentials at $39 a month plus $5 per employee; Select and Pro are now quote based, with Select having historically run about $59 a month plus $5 per employee and Pro about $95 a month plus $3 per employee. Justworks lists Payroll at $8 per employee plus a $50 base, PEO Basic at $79 per employee, and PEO Plus at $109 per employee, with lower rates for 100 or more employees; Plus adds the medical, dental and vision plans billed separately. Vendors change plans often · check the vendor for current pricing.