How PEO Payroll Processing Actually Works
Payroll under a PEO is still your payroll. The PEO runs the process, files the taxes under the agreed split, returns the numbers, and reports against the wage bases. Ownership of the output, however, stays with you as the employer.
From pay sheet to tax remittance
You submit hours or a payroll sheet; the PEO computes earnings, deductions, employer taxes and employee net, and funds the pay. It remits the employment taxes. The flow is similar to using a payroll service, but the identity and accounts are part of the co-employment arrangement.
Where the wage base lives
The federal and state wage bases are attributed to your entity, at the correct threshold. Moving a mid-year workforce to a non-certified PEO can restart the wage, which is why using a certified PEO protects you. Certification status is one of the key checks before you jump.
Who owns the error
Because the numbers describe your employees and your remittance, the accuracy is joint. A missed state tax or a wrong class code becomes your problem to reach, whatever the separation in the agreement. That is why reviewing the first filings matters.
What to verify each cycle
- Earnings and hours match the employee records.
- The right state taxes are withheld at the right base.
- Hidden line items — off-cycle, corrections — are not adding silently.
None of that removes the value, but knowing the mechanics means the PEO works for you rather than you gambling on its math.
Next
Frequently asked
Do I set up payroll myself with a PEO?
No. The PEO runs the cycle. You supply hours/pay via their tool and they compute, fund, remit and report under your entity.
Who remits the payroll taxes under a PEO?
The PEO does the remittance under the arrangement. But the wage base, state and correctness are your records to run a check against.
Why does certification matter for payroll?
A certified PEO (CPEO) holds a different relationship on federal payroll tax. The distinction affects where liability and wage restart are at risk.
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