The short answer
Justworks publishes its PEO prices: PEO Basic at $79 and PEO Plus at $124 per employee a month, for companies with at least two W-2 employees. TriNet charges a flat per-employee administrative fee by quote and also sells HR Plus, an ASO service without co-employment.
LeadChange Score: editorial assessment based on public information.
TriNet wins 2Justworks wins 21 tie
| Dimension | TriNet | Justworks |
|---|---|---|
| PricingJustworks lists PEO Basic at $79 and PEO Plus at $124 per employee a month, with premiums billed on top. TriNet quotes a flat per-employee fee and bills benefit premiums and payroll taxes separately. Time Tracking: $8 a month per employee, US-based contractors: $8 a month per contractor, only in months you pay them, International contractors: $39 a month per paid contractor, plus exchange-rate fees, Health insurance on the Payroll plan: $8 a month per benefits-eligible employee, plus premiums, Dedicated HR Consulting: $30 a month per employee (PEO plans), Health Insurance Reimbursements (CHOICE): $25 a month per enrolled employee, Workers' comp on PEO plans: premium as a percentage of wages, with a state minimum for unpaid owners, Health, dental, vision, life and disability premiums: billed on top of plan fees | Quote only | $79/employee/mo (PEO Basic plan) |
| CapabilitiesBoth cover payroll, payroll tax, benefits, workers' compensation and HR compliance. TriNet adds time and attendance, performance and recruiting modules; Justworks adds time tracking as an add-on and an employer of record. PEO, HR Plus (ASO), Payroll, Payroll tax, Benefits administration, HR compliance, Time and attendance, Performance management, Recruiting | 9 of 10 core capabilities | 9 of 10 core capabilities |
| IntegrationsTriNet lists 12 integrations, including QuickBooks Online, NetSuite, Greenhouse, BambooHR and Lattice, and offers an API. Justworks syncs with QuickBooks, NetSuite, Sage Intacct and Xero and connects to Carta, Checkr and Culture Amp. 12 | 12 native | 5 documented |
| Fit and supportJustworks offers 24/7 support on PEO Basic and PEO Plus, by phone, email, chat and Slack. TriNet offers phone and online support, with dedicated support on HR Plus. 24/7 support on PEO Basic and PEO Plus; the Payroll plan lists a 24/7 help center plus phone and chat support | Small businesses, mid-market companies | Small businesses |
| SecurityTriNet states SOC 2 Type II and HIPAA and supports single sign-on through Azure, Google, Okta and OneLogin. Justworks names no certification on the pages we reviewed. Yes | SOC 2 | None verified |
| Attribute | TriNet | Justworks |
|---|---|---|
| Pricing model | Per employee | Base fee + per employee |
| Price transparency | Quote only | Published |
| Best for | Small businesses, mid-market companies | Small businesses |
| Mobile apps | TriNet mobile app (pay stubs, time off) | Justworks app for iOS, Justworks app for Android |
| Support channels | Phone, Online, Advisory support (HR Plus), Dedicated support (HR Plus) | Phone, email, chat, Slack |
| Founded | 1988 | 2012 |
| Headquarters | Dublin, California | New York, New York, US |
| Attribute | TriNet | Justworks |
|---|---|---|
| Automatic tax filing |
Pricing. Justworks lists PEO Basic at $79 and PEO Plus at $124 per employee a month, with premiums billed on top. TriNet quotes a flat per-employee fee and bills benefit premiums and payroll taxes separately.
Capabilities. Both cover payroll, payroll tax, benefits, workers' compensation and HR compliance. TriNet adds time and attendance, performance and recruiting modules; Justworks adds time tracking as an add-on and an employer of record.
Integrations. TriNet lists 12 integrations, including QuickBooks Online, NetSuite, Greenhouse, BambooHR and Lattice, and offers an API. Justworks syncs with QuickBooks, NetSuite, Sage Intacct and Xero and connects to Carta, Checkr and Culture Amp.
Fit and support. Justworks offers 24/7 support on PEO Basic and PEO Plus, by phone, email, chat and Slack. TriNet offers phone and online support, with dedicated support on HR Plus.
Security. TriNet states SOC 2 Type II and HIPAA and supports single sign-on through Azure, Google, Okta and OneLogin. Justworks names no certification on the pages we reviewed.
Paychex PEO has the highest LeadChange Score in PEO Services after excluding these two (5.7/10).
Only Justworks publishes PEO prices: $79 per employee a month on PEO Basic and $124 on PEO Plus, before premiums. TriNet quotes a flat per-employee fee, with premiums and payroll taxes billed on top, so compare a TriNet quote with those two figures.
TriNet is less suited to buyers who want a published price, since its PEO fee is quoted. Its industry focus is healthcare, technology and finance, and it lists 12 integrations.
Among the PEOs we review, TriNet’s peers include Justworks, Insperity, ADP TotalSource and Paychex PEO. Next to Justworks, TriNet adds an ASO plan without co-employment; Justworks adds published prices.
Yes. Justworks Employment Group has been on the IRS list of certified PEOs since January 1, 2017, and TriNet HR III-B since July 1, 2018.
Both do. TriNet’s fee covers workers' compensation administration and claims support; Justworks includes a workers' comp master policy on PEO plans, priced as a percentage of wages.
Justworks' PEO plans need at least two W-2 employees. TriNet serves small and midsize businesses and publishes no minimum on the pages we reviewed.
Only TriNet states SOC 2 Type II and HIPAA (BAA).
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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