A clear-eyed head-to-head comparison of Justworks and TriNet — pricing, service model, software, benefits, and where each one fits best. Updated for 2026.
| Attribute | Justworks | TriNet |
|---|---|---|
| Best for | 5–150 employees | 20–500 employees |
| Tag | Modern SMB-first | Industry vertical |
| CPEO certified | Yes | Yes |
| ESAC accredited | Yes | Yes |
| Typical pricing | $59–$109 PEPM all-in (transparent flat pricing — no separate benefits or admin fees, with health premiums passed through). One of the most transparent pricing models in the industry. | $120–$180 PEPM. Mid-market pricing aligned with industry-vertical expertise. |
| Service model | Software-first, lighter-touch service — chat support, email support, named account manager for larger accounts. Self-service is excellent. | Industry-vertical model — dedicated teams for technology, life sciences, financial services, non-profits, professional services, and other verticals. Pod-based service rather than single named partner. |
| Health benefits | Aetna, UnitedHealthcare, Kaiser, Anthem. Solid network for small businesses. | UnitedHealthcare, Aetna, Kaiser, plus regional carriers. Strong network depth for tech-centric markets (CA, NY, MA, TX). |
| Technology | Best-in-class consumer-grade UX. Mobile app, Slack integration, modern dashboard. Justworks Hours for time tracking. | TriNet Platform — modern web/mobile, clean UX. Solid reporting and integrations with common SaaS tools (NetSuite, QuickBooks, Slack). |
| ICHRA support | Yes — supports ICHRA via Justworks' platform. | Limited — TriNet historically focused on group plans; ICHRA support varies by vertical and is not the default offering. |
Small-to-mid businesses (5–150 employees) — startups, SaaS, agencies, small professional services. Particularly strong for remote-first and multi-state hiring.
Mid-market businesses (20–250 employees) in tech, SaaS, life sciences, fintech, or other specialized verticals. Particularly strong for venture-backed companies.
The choice between Justworks and TriNet comes down to your size, complexity, and what kind of service relationship you want.
Choose Justworks if small-to-mid businesses (5–150 employees) — startups, saas, agencies, small professional services. particularly strong for remote-first and multi-state hiring.
Choose TriNet if mid-market businesses (20–250 employees) in tech, saas, life sciences, fintech, or other specialized verticals. particularly strong for venture-backed companies.
For a personalized recommendation that factors in your industry, headcount, location, and specific compliance needs, take our 2-minute quiz — we'll evaluate both of these against the rest of the 30+ PEOs we work with and recommend the three that actually fit.
Justworks typically prices at $59–$109 PEPM all-in (transparent flat pricing — no separate benefits or admin fees, with health premiums passed through). One of the most transparent pricing models in the industry.. TriNet typically prices at $120–$180 PEPM. Mid-market pricing aligned with industry-vertical expertise.. Actual pricing depends on your headcount, industry, and benefits selections — request custom quotes from both to compare.
Yes — moving between PEOs is mid-year possible but most companies time switches to coincide with January 1 (to align with benefits plan year and to reset payroll year-to-date wage bases). Plan 60–90 days for transition.
Justworks: Yes. TriNet: Yes. CPEO certification means the PEO assumes federal payroll tax liability — important in regulated industries.
Both Justworks and TriNet offer master 401(k) plans you can join. Investment lineups and fees vary — compare expense ratios and employer match flexibility during sales process.
Easiest path: use our matching quiz — we'll share your profile with both (if they fit your business) and you'll get apples-to-apples quotes. Otherwise contact each PEO's sales team directly with your headcount, industry, and zip code.
Tell us about your business in 2 minutes — we'll match you with the three PEOs that actually fit. Free service.