You switched payroll providers and the new system works fine, then a discrepancy shows up weeks or months later. Here is why a provider transition exposes payroll problems and what to check first.

Too short a lookback and you miss an older payroll tax problem. Too long and you pay to check periods that were never in question. Here is how to decide how far back your reconciliation should go.

Your payroll system says one thing and the state’s portal says another, and neither looks obviously wrong on its own. Here are the events that most often cause a payroll tax discrepancy, and how to tell which one you have.

Reconciling payroll taxes across several states is not one task, it is one task per state, repeated. Here is what the process actually involves, the records you need, and where businesses usually get stuck doing it themselves.