OnPay vs Justworks
A head-to-head comparison to help you pick the right tool
Last updated: April 30, 2026
Justworks is our recommended pick for most teams — small businesses wanting fortune 500 benefits.
Try Justworks →Read our full Justworks review →OnPay
OnPay is a full-service payroll and HR platform designed for small and mid-size businesses. It offers unlimited payroll runs, automatic tax filing, and built-in HR tools at an affordable flat rate. OnPay is consistently rated as one of the best value payroll solutions for small businesses and supports a wide range of industries including restaurants, farms, and nonprofits.
Justworks
Justworks is a Professional Employer Organization (PEO) that gives small businesses access to Fortune 500-level benefits and simplified payroll. By co-employing your team, Justworks handles compliance, payroll taxes, and benefits administration. It is ideal for small businesses that want premium benefits without an in-house HR team.
Pros
- ✓Excellent value — flat monthly pricing with no per-run fees
- ✓Supports multiple pay schedules and unlimited payroll runs
- ✓Strong industry-specific features for restaurants, farms, and nonprofits
- ✓US-based customer support included on all plans
Cons
- ✗US-only — no international payroll support
- ✗Mobile app is less polished than competitors
- ✗Limited advanced HR features compared to full HRIS platforms
Pros
- ✓Access to high-quality health, dental, and vision benefits typically reserved for large companies
- ✓Simple flat-rate pricing with no hidden fees
- ✓Excellent customer support with fast response times
- ✓Handles all compliance and payroll tax filings
Cons
- ✗More expensive than software-only alternatives due to PEO model
- ✗Only available for US-based employees
- ✗Less flexible than standalone HR software for customization
OnPay vs Justworks: Side by Side
| Factor | OnPay | Justworks |
|---|---|---|
| User Rating | N/A | 4.6/5 ★ |
| Category | Payroll Software | HR Software |
| Pricing Model | Paid | Paid |
| Starting Price | $40/mo + $6/person | $59/employee/mo |
| Best For | Small businesses wanting affordable, full-service payroll with no hidden fees | Small businesses wanting Fortune 500 benefits |
| Our Pick | — | 🏆 Recommended |
OnPay Features
- ✓Unlimited payroll runs
- ✓automatic tax filing
- ✓direct deposit
- ✓employee self-service
- ✓HR tools
- ✓benefits administration
- ✓PTO management
- ✓integrations
Justworks Features
- ✓PEO co-employment
- ✓payroll
- ✓benefits access
- ✓compliance
- ✓HR support
Pricing Comparison
Justworks
PaidStarts at $59/employee/mo
Justworks: $59/employee/mo · Plus: $99/employee/mo
See full pricing →Best Use Cases
Justworks
- →US startups and small businesses wanting full PEO services
- →Companies wanting to offer Fortune 500 benefits to small teams
- →Businesses wanting to outsource HR compliance
Who Should NOT Use These Tools
Justworks is NOT ideal for:
- ✗Companies with international employees
- ✗Businesses wanting full control over HR processes
- ✗Large enterprises with dedicated HR teams
Integrations
Justworks
QuickBooks, Xero, Slack, Google Workspace, Microsoft 365, Greenhouse
Our Take
Choose OnPay if small businesses wanting affordable, full-service payroll with no hidden fees. Choose Justworks if small businesses wanting fortune 500 benefits.
Best For
Small businesses wanting affordable, full-service payroll with no hidden fees
Best For
Small businesses wanting Fortune 500 benefits
Also Consider
If neither OnPay nor Justworks is the right fit, Multiplier is worth evaluating.
Multiplier
Startups and SMBs hiring internationally on a budget
From $40/contractor/mo
Frequently Asked Questions
What is the difference between OnPay and Justworks?
OnPay is best for small businesses wanting affordable, full-service payroll with no hidden fees. Justworks is best for small businesses wanting fortune 500 benefits.
Which is better, OnPay or Justworks?
Choose OnPay if small businesses wanting affordable, full-service payroll with no hidden fees. Choose Justworks if small businesses wanting fortune 500 benefits.
How much does OnPay cost?
OnPay starts at $40/mo + $6/person. Pricing model: Paid.
How much does Justworks cost?
Justworks starts at $59/employee/mo. Pricing model: Paid.
Who should use OnPay?
Small businesses wanting affordable, full-service payroll with no hidden fees
Who should use Justworks?
Small businesses wanting Fortune 500 benefits