Payroll · Legacy payroll, PEO or reputation warning
TriNet Review
PEO that co-employs your staff to bundle payroll, group benefits, HR compliance and workers' comp administration
Quick verdict
Who TriNet suits: Established or growing trades businesses that want group benefits, workers' comp administration and HR compliance support through a PEO, and will pay PEO fees for it. Pricing: Quote-based flat fee per employee per month; TriNet says it does not publish standard list pricing. The fee generally covers payroll and payroll tax administration, HR expertise, benefits administration, workers' compensation administration, TriNet's HR platform and onboarding tools. Benefits premiums, workers' compensation costs, payroll taxes and add-ons are billed separately, and TriNet requires a minimum number of worksite employees. No published prices, benefits and workers' comp costs billed on top of the fee, an unpublished minimum company size and the co-employment trade-off. For a growing shop that wants group benefits and HR support in one package, it is an established PEO to get a quote from.
About TriNet
TriNet is a professional employer organization (PEO). Through co-employment, TriNet takes on responsibility for paying wages to your employees, providing workers' compensation insurance and giving access to group health, welfare and retirement benefits, while you keep running the daily work. TriNet was founded in 1988 and is headquartered in Dublin, California. It reported about 323,200 worksite employees at the end of 2025, says it has held ESAC accreditation since 1995, and says a TriNet subsidiary is an IRS Certified Professional Employer Organization.
For a growing trades business, the pitch is benefits and paperwork in one place: group medical, dental and vision plans, a TriNet-sponsored 401(k), payroll with payroll tax administration, HR compliance support, and pay-as-you-go workers' comp plans with no deposits or deductibles. TriNet also sells HR Plus, an administrative services (ASO) option for companies that want HR software and support without a PEO.
TriNet does not publish list prices. It charges a flat fee per employee per month, quoted based on company size, industry, location and services, and bills benefits premiums, workers' compensation costs, payroll taxes and add-ons on top. It also requires a minimum number of worksite employees, which it does not publish.
TriNet's annual report names its main industry verticals as technology, financial services, life sciences, nonprofit, professional services and main street businesses. A contractor should ask how its workers' comp class codes are handled before comparing quotes.
The trade-off: a PEO costs more than a payroll-only service because the fee bundles HR and benefits administration, prices come only by quote, and co-employment means sharing some employer responsibilities and HR processes with TriNet. A shop that only needs to pay people and file taxes is better served by a payroll tool.
How it works
You sign a co-employment agreement with TriNet. TriNet then takes on responsibility for paying wages, providing workers' compensation insurance and giving your employees access to its group health, welfare and retirement benefits, while you direct the daily work. TriNet runs payroll and payroll tax administration, supports HR compliance, and syncs payroll to your general ledger through accounting integrations such as QuickBooks Online. You pay a quoted flat fee per employee per month, plus benefits premiums, workers' comp costs, payroll taxes and any add-ons.
Pros & cons
What works
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Group benefits for a small company
TriNet gives access to group medical, dental and vision plans and a TriNet-sponsored 401(k), which can help a small shop recruit and keep skilled techs.
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Workers' comp handled
Workers' compensation administration is part of the PEPM fee, and TriNet offers pay-as-you-go workers' comp plans with no deposits or deductibles.
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HR compliance support
TriNet's fee covers HR expertise and payroll tax administration, taking compliance paperwork off the owner's desk.
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Flat fee per employee
TriNet says its PEPM fee is flat, so administrative fees do not rise when an employee gets a raise.
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Established and accredited
Founded in 1988, TriNet says it has held ESAC accreditation since 1995 and that a subsidiary is an IRS Certified Professional Employer Organization.
What doesn't
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No published prices
TriNet says it does not publish standard list pricing, so you need a quote to know the PEPM fee for your company.
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Costs billed on top of the fee
Benefits premiums, workers' compensation costs, payroll taxes and add-ons are billed separately from the PEPM fee, so compare total cost, not just the fee.
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Minimum company size
TriNet requires a minimum number of worksite employees but does not publish it, so a very small crew may not qualify.
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Co-employment trade-off
Co-employment means sharing some employer responsibilities and HR processes with TriNet. Owners who want full control of HR may find that limiting.
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Trades are not a named focus
TriNet's annual report lists technology, financial services, life sciences, nonprofit, professional services and main street as its main verticals; ask how it handles construction workers' comp classes.
Pricing
Quote-based flat fee per employee per month; TriNet says it does not publish standard list pricing. The fee generally covers payroll and payroll tax administration, HR expertise, benefits administration, workers' compensation administration, TriNet's HR platform and onboarding tools. Benefits premiums, workers' compensation costs, payroll taxes and add-ons are billed separately, and TriNet requires a minimum number of worksite employees.
Affiliate disclosure: The link to TriNet on this page goes to its own site and is not an affiliate link.
Integrations
Reviews and complaints at the source
We do not copy third-party review scores onto this page: they change often and we could not verify them. Read TriNet's current reviews at the source.
Frequently asked
What is a PEO and how does TriNet work?
A PEO (professional employer organization) co-employs your staff. TriNet takes on responsibility for paying wages, providing workers' compensation insurance and giving access to group health, welfare and retirement benefits, while you direct the daily work. TriNet was founded in 1988 and says it has held ESAC accreditation since 1995.
How much does TriNet cost?
TriNet says it does not publish standard list pricing. It charges a flat fee per employee per month, quoted based on company size, industry, location and services, and bills benefits premiums, workers' comp costs, payroll taxes and add-ons separately.
Is TriNet worth it for a trades business?
It can be for an established or growing shop that wants group benefits, workers' comp handling and HR compliance support in one package. TriNet requires a minimum number of worksite employees, and a shop that only needs to pay people and file taxes is better served by a payroll tool.
How do I compare TriNet with other PEOs?
Get written quotes from each PEO for the same headcount and states, then compare the per-employee fee, benefits premiums, workers' comp costs for your class codes, add-on fees and contract terms. TriNet's fee is flat per employee, so it does not rise with raises.
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Square Payroll
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