The short answer
Justworks publishes its PEO prices: PEO Basic is $79 and PEO Plus $124 per employee a month, for companies with at least two W-2 employees. Paychex quotes HR PEO and also sells HR Partner Plus and HR Pro without the full PEO. Both have been IRS-certified PEOs since 2017.
LeadChange Score: editorial assessment based on public information.
Justworks wins 2Paychex PEO wins 21 tie
| Dimension | Justworks | Paychex PEO |
|---|---|---|
| PricingJustworks lists PEO Basic at $79 and PEO Plus at $124 per employee a month, with no implementation fee. Paychex quotes its PEO. None | $79/employee/mo (PEO Basic plan) | Quote only |
| SecurityPaychex states SOC 2 Type II and ISO 27001. Justworks publishes a security page but no SOC 2 or ISO 27001 report on the pages we reviewed. Yes | None verified | SOC 2, ISO 27001 |
| IntegrationsJustworks names integrations such as QuickBooks, NetSuite, Xero, Carta and Checkr. Paychex PEO names no integrations on the pages we reviewed. QuickBooks Online, QuickBooks Desktop, NetSuite, Sage Intacct, Xero, 15Five, Brex, Carta, Checkr, Culture Amp | 5 documented | 0 documented |
| Fit and supportPaychex PEO serves small and midsize businesses, with a relationship manager at 200+ employees; Justworks is built for small businesses, with 24/7 support on the PEO plans. Small businesses, mid-market companies | Small businesses | Small businesses, mid-market companies |
| CapabilitiesBoth cover payroll, benefits, workers' comp and HR compliance. Justworks adds contractor payments and an EOR; Paychex adds business insurance as an additional solution. Payroll, PEO, Benefits administration, HR tools and support, Compliance, Time Tracking (add-on), Contractor payments, International Employer of Record (EOR), Analytics | 9 of 10 core capabilities | 10 of 10 core capabilities |
| Attribute | Justworks | Paychex PEO |
|---|---|---|
| Pricing model | Base fee + per employee | Quote only |
| Price transparency | Published | Quote only |
| Best for | Small businesses | Small businesses, mid-market companies |
| Mobile apps | Justworks app for iOS, Justworks app for Android | Paychex Oasis Employee Connect |
| Support channels | Phone, email, chat, Slack | Client advocate (10+ employees), HR business partner, Safety specialist (master workers' comp policy clients), Payroll specialist, Relationship manager (200+ employees) |
| Founded | 2012 | 1971 |
| Headquarters | New York, New York, US | Rochester, NY and Cincinnati, OH (dual headquarters) |
| Attribute | Justworks | Paychex PEO |
|---|---|---|
| Automatic tax filing |
Pricing. Justworks lists PEO Basic at $79 and PEO Plus at $124 per employee a month, with no implementation fee. Paychex quotes its PEO.
Security. Paychex states SOC 2 Type II and ISO 27001. Justworks publishes a security page but no SOC 2 or ISO 27001 report on the pages we reviewed.
Integrations. Justworks names integrations such as QuickBooks, NetSuite, Xero, Carta and Checkr. Paychex PEO names no integrations on the pages we reviewed.
Fit and support. Paychex PEO serves small and midsize businesses, with a relationship manager at 200+ employees; Justworks is built for small businesses, with 24/7 support on the PEO plans.
Capabilities. Both cover payroll, benefits, workers' comp and HR compliance. Justworks adds contractor payments and an EOR; Paychex adds business insurance as an additional solution.
Rippling PEO has the highest LeadChange Score in PEO Services after excluding these two (6.4/10).
Justworks lists PEO Basic at $79 and PEO Plus at $124 per employee a month. Paychex quotes its PEO, so ask for a quote for the same benefits before comparing.
Justworks is an IRS-certified PEO with ESAC accreditation, 24/7 support on its PEO plans and published prices. It is less suited to companies with a single W-2 employee: its PEO plans need at least two.
Justworks runs an employer of record in 43 countries at $599 per international employee a month. Paychex PEO serves US employers.
Paychex PEO serves small and midsize businesses and assigns a relationship manager at 200+ employees. Justworks is built for small businesses.
Paychex states SOC 2 Type II and ISO 27001 certifications. Justworks publishes a security page; ask it for its audit reports.
Justworks has apps for iOS and Android. Paychex PEO employees use Paychex Oasis Employee Connect.
Justworks ranks #1 of 8 in our PEO services ranking. Besides Paychex PEO, the highest-scored are Rippling PEO, Remote, and TriNet. Every alternative, matched to the reason you might switch: Justworks alternatives.
Your team size, what matters most and your role: see which one fits more of your answers, from verified facts and list prices. Then, if you like, ask to hear from both.
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What the LeadChange Score means
A 0–10 editorial assessment built only from verified facts, across six weighted dimensions: capabilities, pricing, integrations, security, fit and support, and data confidence.
Payments, commissions and lead fees are never inputs.
