Payroll is the HR function with the lowest tolerance for error. A benefits question can wait; a payroll mistake lands on someone's paycheck and shows up in every Glassdoor review. The mechanics combine time capture, regular-rate calculation, FICA and income tax withholding, benefits deductions, garnishments, and net-pay disbursement. The 2026 environment added new compliance wrinkles: the 1099-NEC threshold change, the tip deduction rules, updated FSA limits, and evolving state pay transparency disclosures. Most of the payroll department's work is about getting the boring stuff right every cycle.
The End-to-End Payroll Process Time capture (hours worked, PTO, overtime). Gross pay calculation (base, overtime, bonuses, commissions). Pre-tax deductions (401k, HSA, FSA). Tax calculation (federal, state, local, FICA). Post-tax deductions (Roth 401k, garnishments). Net pay disbursement (direct deposit or check). Tax remittance to agencies. Year-end reporting (W-2 , 1099, state equivalents).
Common Payroll Vendors ADP and Paychex dominate enterprise and mid-market. Gusto and Rippling lead small and mid-market. Workday and UKG bundle payroll with HCM. Intuit QuickBooks Payroll serves the smallest employers. Vendor choice is largely about size fit and integration needs.
Payroll Compliance Priorities in 2026 State pay transparency, multi-state tax nexus for remote workers, the new tip deduction, garnishment response timing, ACA reporting, and state paid family leave coordination. Each requires specific system configuration and audit discipline.
Running Payroll That Doesn't Generate Complaints Clean payroll combines accurate timekeeping integration, disciplined vendor oversight, state-specific compliance checks, and a clear escalation path when employees report discrepancies. Audit pay stubs and YTD totals against the HRIS and compensation records quarterly. Most payroll problems are preventable; the ones that become lawsuits are usually repeat offenses that went unchecked. IRS and DOL references are at irs.gov and dol.gov .