The short answer
TriNet quotes a flat per-employee monthly fee for its PEO and for HR Plus, its ASO. CoAdvantage publishes do-it-yourself payroll plans from $55 a month plus $5 per employee and lists 43 integrations.
LeadChange Score: editorial assessment based on public information.
CoAdvantage wins 2TriNet wins 12 ties
| Dimension | CoAdvantage | TriNet |
|---|---|---|
| PricingCoAdvantage publishes Base at $55 a month plus $5 per employee and Pro at $85 plus $6. TriNet quotes a flat per-employee monthly fee. | Partly published | Quote only |
| CapabilitiesBoth cover payroll, benefits administration, HR compliance and time and attendance. TriNet adds performance management and recruiting; CoAdvantage adds risk management and talent acquisition. PEO, Payroll, HCM, HR Compliance, Employee Benefits, Benefits Administration, Risk Management, Time & Attendance, Talent Acquisition | 9 of 10 core capabilities | 9 of 10 core capabilities |
| IntegrationsCoAdvantage lists 43 integrations; TriNet lists 12, including QuickBooks Online, NetSuite and Greenhouse. 43 | 43 native | 12 native |
| Fit and supportBoth serve small and midsize businesses. TriNet offers advisory or dedicated support on HR Plus; CoAdvantage supports by phone and chat. Small businesses, mid-market companies | Small businesses, mid-market companies | Small businesses, mid-market companies |
| SecurityTriNet holds SOC 2 Type II and states HIPAA compliance. CoAdvantage names no security certification on the pages we reviewed. Yes | None verified | SOC 2 |
| Attribute | CoAdvantage | TriNet |
|---|---|---|
| Pricing model | Base fee + per employee | Per employee |
| Price transparency | Partly published | Quote only |
| Mobile apps | CoAdQuantum Mobile (iOS), CoAdQuantum Mobile (Android) | TriNet mobile app (pay stubs, time off) |
| Native integrations | 43 | 12 |
| Support channels | Phone, chat | Phone, Online, Advisory support (HR Plus), Dedicated support (HR Plus) |
| Founded | 1997 | 1988 |
| Headquarters | Bradenton, Florida, US | Dublin, California |
| Attribute | CoAdvantage | TriNet |
|---|---|---|
| Best for | Small businesses, mid-market companies | Small businesses, mid-market companies |
| Automatic tax filing |
Pricing. CoAdvantage publishes Base at $55 a month plus $5 per employee and Pro at $85 plus $6. TriNet quotes a flat per-employee monthly fee.
Capabilities. Both cover payroll, benefits administration, HR compliance and time and attendance. TriNet adds performance management and recruiting; CoAdvantage adds risk management and talent acquisition.
Integrations. CoAdvantage lists 43 integrations; TriNet lists 12, including QuickBooks Online, NetSuite and Greenhouse.
Fit and support. Both serve small and midsize businesses. TriNet offers advisory or dedicated support on HR Plus; CoAdvantage supports by phone and chat.
Security. TriNet holds SOC 2 Type II and states HIPAA compliance. CoAdvantage names no security certification on the pages we reviewed.
Justworks has the highest LeadChange Score in PEO Services after excluding these two (6.4/10).
From $79/employee/mo (PEO Basic plan)
TriNet publishes no price, so it is less suited to buyers who want to compare costs first. Benefit premiums and the payroll taxes themselves come on top of its per-employee fee, and background checks and premium courses are add-ons.
TriNet quotes a flat per-employee monthly fee that covers payroll and tax administration, HR expertise, benefits and workers' comp administration. By comparison, CoAdvantage’s Base payroll plan is $55 a month plus $5 per employee, without PEO services.
A PEO and payroll provider in Bradenton, Florida, founded in 1997, that sells payroll, HR compliance, benefits and risk management to small and midsize businesses.
Yes. TriNet HR III-B, Inc. has been on the IRS list of certified PEOs since July 1, 2018; CoAdvantage Resources 85, LLC joined it on July 1, 2026.
Yes: QuickBooks Online, NetSuite, Xero and Sage Intacct are among its 12 integrations. CoAdvantage lists 43 integrations and imports to the general ledger.
Yes, for small and midsize businesses that want a PEO. TriNet differs by including EPLI in its PEO fee; CoAdvantage by publishing payroll plan prices.
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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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.
