The short answer
Both quote their prices. TriNet charges a flat per-employee administrative fee for its PEO and also sells HR Plus, an ASO service without co-employment; it focuses on healthcare, technology and finance.
LeadChange Score: editorial assessment based on public information.
TriNet wins 2Insperity (PEO) wins 02 ties
| Dimension | TriNet | Insperity (PEO) |
|---|---|---|
| PricingBoth quote. TriNet charges a flat per-employee fee and bills premiums and payroll taxes separately; Insperity bills payroll taxes, workers' comp and benefits as direct cost allocations next to its HR service fee. Quote only | Quote only | Quote only |
| CapabilitiesBoth cover payroll and tax filings, benefits, workers' compensation and HR compliance. TriNet adds performance and recruiting modules; Insperity adds a Workday-based PEO and contractor management. Payroll processing and payroll tax administration (calculation, withholding, remittance, filing), W-2 and year-end document preparation, Benefits administration including medical, dental, vision and life insurance, Workers' compensation and claims management support, ACA and COBRA administration support, Access to HR experts, Online HR platform for time, pay and benefits information | 9 of 10 core capabilities | 9 of 10 core capabilities |
| IntegrationsTriNet lists 12 integrations and offers an API. Insperity publishes no integration list on the pages we reviewed. 12 | 12 native | 1 documented |
| SecurityTriNet states SOC 2 Type II and HIPAA and supports single sign-on. Insperity names no certification on the pages we reviewed. Yes | SOC 2 | None verified |
| Attribute | TriNet | Insperity (PEO) |
|---|---|---|
| Pricing model | Per employee | Quote only |
| Best for | Small businesses, mid-market companies | Small businesses, mid-market companies, enterprises |
| Mobile apps | TriNet mobile app (pay stubs, time off) | iOS |
| Support channels | Phone, Online, Advisory support (HR Plus), Dedicated support (HR Plus) | Phone, Email, Web form |
| Founded | 1988 | 1986 |
| Headquarters | Dublin, California | Kingwood, Texas, USA |
| Attribute | TriNet | Insperity (PEO) |
|---|---|---|
| Price transparency | Quote only | Quote only |
| Automatic tax filing | ||
| Ownership | Publicly traded | Publicly traded |
Pricing. Both quote. TriNet charges a flat per-employee fee and bills premiums and payroll taxes separately; Insperity bills payroll taxes, workers' comp and benefits as direct cost allocations next to its HR service fee.
Capabilities. Both cover payroll and tax filings, benefits, workers' compensation and HR compliance. TriNet adds performance and recruiting modules; Insperity adds a Workday-based PEO and contractor management.
Integrations. TriNet lists 12 integrations and offers an API. Insperity publishes no integration list on the pages we reviewed.
Fit and support. Insperity supports by phone, email and web form from 7am to 7pm CST on weekdays, with dedicated specialists on HRScale. 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. Insperity names no 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)
No. Besides its PEO, TriNet sells HR Plus, an administrative services (ASO) option with an HR platform, advisory or dedicated support and no co-employment. Insperity offers a similar route with HRCore.
Among the PEOs we review, Insperity’s peers include TriNet, ADP TotalSource, Justworks and Paychex PEO. Against TriNet, Insperity adds a PEO built on Workday, while TriNet adds SOC 2 Type II.
TriNet charges a flat fee per employee per month, quoted, with premiums and payroll taxes billed separately. Insperity bills direct cost allocations plus a fixed per-employee HR service charge, also quoted.
Yes. Insperity PEO Services has been on the IRS certified PEO list since January 1, 2017; TriNet HR III-B joined it on July 1, 2018.
TriNet offers medical, dental, vision and life insurance. Insperity lists medical, dental, vision, prescription, 401(k), HSA and FSA, disability, group life and critical illness and accident cover.
TriNet, founded in 1988, is based in Dublin, California. Insperity, founded in 1986, is based in Kingwood, Texas; both are public companies.
Only TriNet states SOC 2 Type II and HIPAA (BAA).
TriNet ranks #3 of 6 in our PEO services ranking. Besides Insperity (PEO), the highest-scored are Justworks, Remote, and Deel. Every alternative, matched to the reason you might switch: TriNet 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.
LeadChange may earn a fee when you request pricing through our site or follow a sponsored link. Rankings never depend on whether a vendor pays us.We may earn a fee.
How we make money
LeadChange may earn a fee when you request pricing through our site or follow a sponsored link. Rankings never depend on whether a vendor pays us.
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.
