December is a busy month with holiday schedules, year-end planning, and employee requests. Things like missing wages, wrong deductions, or tax discrepancies are payroll errors that can turn into bigger problems in January.
That’s why payroll reconciliation should be on your year-end to-do list. By reviewing your records early, you will have time to fix errors, get ready for year-end reporting, and start the new year with confidence.
Payroll isn’t just about paying your employees on time. Your payroll register, accounting records, tax liabilities, benefit deductions, and actual payments must all match.
In Paylocity’s 2026 survey of more than 776 HR and finance leaders, 64% of companies experienced monthly payroll leakage of at least 1% of their payroll spend, and more than 49% spent six or more hours each month correcting payroll errors. The results demonstrate how expensive differences can arise from disconnected systems and manual checks.
Plus, it gives your finance or payroll team some time to investigate differences without rushing to correct them during the holiday period.
Use this payroll reconciliation checklist to review your records before December begins.
Begin with the fundamentals. Verify that employee names, Social Security numbers, mailing addresses, employment status, and tax withholding information are correct and current.
Also, match your active employee list against the most recent HR records. A terminated employee still active in payroll or a new hire missing from the system can cause incorrect payments and reporting issues.
Your payroll register shows what employees earned and what was withheld. Your general ledger will show you how those amounts were posted to your books.
Compare the two. Verify that the wages, employer payroll taxes, benefit expenses, and payroll liabilities have been posted correctly. Then investigate any differences that are not explained.
Check year-to-date wages for every employee, including regular pay, overtime, commissions, tips where applicable, bonuses, and retroactive adjustments.
Be sure to look closely at one-time payments and recent compensation changes.
Review approved time records and overtime calculations. Before closing out your annual totals, be sure to compare the hours in your timekeeping system to the hours used for payroll.
Compare federal, state, and local tax withholdings to payroll reports and applicable tax records. Review Social Security and Medicare taxes, unemployment taxes, and any state or local payroll obligations that may apply.
The Social Security wage base for 2026 is $184,500. Ensure proper handling of Social Security withholding as employees near the annual limit and confirm any Additional Medicare Tax requirements based on current IRS guidance.
Before doing your year-end filings, verify the reason for any mismatch between a tax liability and your payroll records. Don’t assume that if the figures are close, the difference doesn’t matter.
Benefit deductions can become incorrect due to employee elections during the year. Review approved records for health insurance premiums, retirement contributions, Health Savings Account deductions, garnishments, and other voluntary deductions.
Check for deductions that began too soon, ended too late, or continued after the employee became ineligible. Also, review employer contributions and make sure that benefit expenses are properly recorded.
Compare your payroll payment totals with your bank transactions and with the payment reports your payroll provider gives you.
Check that the expected amounts were paid to the employees and find out about payments that are missing, duplicate, returned, or delayed.
If the bank total doesn’t match the payroll register, locate the discrepancy in a specific transaction or a timing issue. If you cannot support the adjustment with the explanation, record the explanation.
Lastly, compare year-to-date wages, deductions, and tax totals between payroll reports, accounting records, and quarterly filings. Resolve differences before the completion of the annual forms.
For US employers, this review is useful for preparing for W-2 reporting and other applicable year-end filings. The IRS has established February 1, 2027, as the due date for filing 2026 Forms W-2 and W-3 with the Social Security Administration and for furnishing W-2 copies to employees.
Follow these steps to reconcile payroll before year-end:
Even experienced teams can overlook problems when they rely on assumptions or rush through the review. Watch out for these common mistakes:
A clear process and consistent documentation make these mistakes easier to prevent.
With over 25 years of experience at OEM America, we help small and midsize businesses maintain accurate, compliant, and audit-ready payroll so that year-end feels like a review instead of a rescue. If you’d like to turn over the details and walk into January with clean records, book a free consultation, and let’s get your numbers tied out together.