Justworks
PEO and payroll platform for small businesses.
About Justworks
Justworks is a Professional Employer Organization that co-employs your small business clients, handling payroll runs, federal and state tax filings, workers' comp coverage, and benefits enrollment under one monthly per-head fee. Day-to-day, it automates W-2 payroll, files quarterly 941s, and lets employees self-enroll in health, dental, and vision plans that Justworks negotiates at group rates — the kind of coverage a 10-person shop could never access independently. It fits best for small businesses with 5–200 employees, particularly those in multiple states where payroll compliance gets complicated fast. If you run an accounting firm that also handles HR consulting or outsourced CFO work, you might white-label or recommend it. But be clear-eyed: Justworks processes payroll itself, which means it competes directly with payroll services you may already bill for. The platform falls short in a few important ways. The integration list is thin compared to Gusto or ADP Run — QuickBooks and Xero sync exists but is basic, pushing journal entries rather than full GL mapping. The PEO co-employment structure also creates a handoff problem: when a client outgrows Justworks or wants to leave, migrating payroll history and benefits is painful. There is no free trial.
Best for
Small businesses wanting PEO-level benefits access and HR compliance support
Key Features
- Automated payroll processing with tax compliance
- Multi-state benefits administration
- Workers' compensation management
- Automated quarterly tax filing
- Employee onboarding and offboarding workflows
Pros & Cons
Pros
- Gives 5-50 person companies access to ADP-tier health insurance rates through Justworks's group purchasing, which sole-sourced small businesses cannot replicate
- Handles multi-state payroll tax registration and quarterly filings automatically, removing the compliance burden for clients operating in more than one state
- Workers' compensation coverage is bundled and billed per payroll run, eliminating end-of-year audits and large upfront premiums
- Employee onboarding collects I-9s, W-4s, and direct deposit details through a self-service portal, cutting the HR paperwork loop for HR-light firms
- Transparent per-employee pricing — $59 or $99 per employee per month depending on the plan — makes it straightforward to model costs for clients
- Automated off-boarding handles COBRA notices, final pay compliance, and benefits termination without manual follow-up
Cons
- Justworks processes payroll on your clients' behalf, which directly cannibalizes payroll service revenue you may already charge for
- QuickBooks and Xero integration posts summarized journal entries only — no line-level transaction mapping, so reconciliation still requires manual work
- PEO co-employment creates lock-in: exiting Justworks means re-registering state tax accounts, migrating benefits, and rebuilding payroll history elsewhere
- No free trial or evaluation tier; you commit to paid billing immediately, which makes piloting with one client account before recommending it broadly an out-of-pocket test
- Not built for firms over 200 employees — pricing and service model do not scale well past that threshold, forcing a mid-growth migration
- Limited payroll customization for complex compensation structures like equity, deferred comp, or multi-entity consolidations
Ledger Brief Take
This isn't an AI tool for accountants — it's a traditional PEO that handles payroll and benefits administration for your small business clients. While useful for firms that also provide HR consulting, Justworks competes directly with your payroll services rather than enhancing them. The real value here is giving tiny clients access to enterprise-grade benefits packages they couldn't negotiate alone.
Frequently Asked Questions
Common questions accountants ask about Justworks.
How does Justworks pricing work and what does the entry-level plan include?
Justworks charges per employee per month. The Basic plan starts at $59 per employee and covers payroll, compliance, and workers' comp. The Plus plan at $99 per employee adds medical, dental, and vision benefits access. There is no free trial. Pricing scales down slightly at higher headcounts but remains per-employee throughout.
How does Justworks integrate with QuickBooks and Xero?
Justworks connects to QuickBooks Online and Xero via a native sync that pushes summarized payroll journal entries after each run. It does not map individual transactions to your chart of accounts automatically. Accountants handling month-end close for clients on Justworks typically need to reconcile manually or build a custom account mapping outside the integration.
How does Justworks compare to Gusto for small business payroll?
Gusto is a payroll processor; Justworks is a PEO. Gusto gives you more control over payroll data, deeper accounting integrations, and a lower entry price. Justworks adds co-employment, which unlocks group benefits rates Gusto cannot match. Choose Gusto if payroll accuracy and accountant control matter most. Choose Justworks if the client's priority is affordable employee health insurance.
Is Justworks appropriate for accounting firms to recommend to clients?
Yes, with a caveat. It suits clients with 5 to 200 employees who need benefits access and multi-state compliance but lack internal HR. However, Justworks takes over payroll processing, so recommending it means giving up that billing relationship. It works well for outsourced CFO or HR advisory engagements where payroll execution is not your revenue line.
What happens to payroll data and benefits if a client leaves Justworks?
Leaving Justworks requires the client to re-establish their own state employer tax accounts, select a new benefits carrier, and migrate payroll history to a new processor. Justworks provides payroll reports and W-2 data on exit, but the transition is operationally heavy. Factor this lock-in risk in when recommending it to clients who may grow beyond the PEO model within two to three years.
Does Justworks handle payroll for contractors or only W-2 employees?
Justworks primarily handles W-2 employees under its co-employment model. It does support contractor payments through the platform, but the PEO benefits and compliance wrapper applies only to W-2 staff. If a client's workforce is majority 1099 contractors, Justworks adds cost without delivering its core value proposition.