TriNet vs ADP Run
A head-to-head comparison to help you pick the right tool
Last updated: April 30, 2026
TriNet
TriNet is a Professional Employer Organization (PEO) that provides comprehensive HR, payroll, and benefits services to small and mid-size businesses. By acting as a co-employer, TriNet gives SMBs access to enterprise-grade benefits and HR expertise. TriNet is particularly strong in regulated industries like technology, financial services, and life sciences.
ADP Run
ADP Run is a payroll and HR solution designed specifically for small businesses with 1-49 employees. It is powered by ADP, the world's largest payroll provider, giving small businesses access to enterprise-grade payroll processing and compliance tools. ADP Run offers multiple plan tiers from basic payroll to full HR suite depending on the business needs.
Pros
- ✓Access to premium benefits packages typically available only to large enterprises
- ✓Strong industry-specific HR expertise and compliance support
- ✓Dedicated HR advisors for each client
- ✓Comprehensive risk mitigation and employer liability protection
Cons
- ✗Expensive compared to software-only alternatives
- ✗Long-term contracts with limited flexibility
- ✗Less suitable for companies that want full control over their HR processes
Pros
- ✓Backed by ADP's decades of payroll expertise and compliance knowledge
- ✓Scalable — can grow with your business to ADP Workforce Now
- ✓Strong mobile app for running payroll on the go
- ✓Extensive integration ecosystem
Cons
- ✗Pricing is not transparent and can be expensive compared to competitors
- ✗Customer service quality can be inconsistent
- ✗Upselling of additional services reported by customers
- ✗Interface is less modern than newer payroll tools
TriNet vs ADP Run: Side by Side
| Factor | TriNet | ADP Run |
|---|---|---|
| User Rating | N/A | N/A |
| Category | HR Software | Payroll Software |
| Pricing Model | Paid | Paid |
| Starting Price | Custom pricing | Custom pricing |
| Best For | SMBs in regulated industries needing full HR outsourcing | Small businesses that want enterprise-grade payroll reliability from a trusted brand |
| Our Pick | — | — |
TriNet Features
- ✓PEO co-employment
- ✓payroll
- ✓benefits
- ✓risk mitigation
- ✓HR support
ADP Run Features
- ✓Payroll processing
- ✓tax filing
- ✓direct deposit
- ✓employee onboarding
- ✓time tracking
- ✓benefits administration
- ✓workers compensation
- ✓HR support
Pricing Comparison
Our Take
Choose TriNet if smbs in regulated industries needing full hr outsourcing. Choose ADP Run if small businesses that want enterprise-grade payroll reliability from a trusted brand.
Best For
SMBs in regulated industries needing full HR outsourcing
Best For
Small businesses that want enterprise-grade payroll reliability from a trusted brand
Also Consider
If neither TriNet nor ADP Run is the right fit, Justworks is worth evaluating.
Justworks
Small businesses wanting Fortune 500 benefits
From $59/employee/mo
Frequently Asked Questions
What is the difference between TriNet and ADP Run?
TriNet is best for smbs in regulated industries needing full hr outsourcing. ADP Run is best for small businesses that want enterprise-grade payroll reliability from a trusted brand.
Which is better, TriNet or ADP Run?
Choose TriNet if smbs in regulated industries needing full hr outsourcing. Choose ADP Run if small businesses that want enterprise-grade payroll reliability from a trusted brand.
How much does TriNet cost?
TriNet starts at Custom pricing. Pricing model: Paid.
How much does ADP Run cost?
ADP Run starts at Custom pricing. Pricing model: Paid.
Who should use TriNet?
SMBs in regulated industries needing full HR outsourcing
Who should use ADP Run?
Small businesses that want enterprise-grade payroll reliability from a trusted brand