Year-End Bookkeeping Checklist (30 Steps for a Clean Close)

Practice Runbook · updated 2026-09-23

Year-end close is where small mistakes compound and oversight gaps show up as tax-filing surprises. This checklist covers the 30 steps that separate a clean close from a scramble: bank reconciliation, inventory counts, payables aging, receivables review, payroll verification, fixed-asset reconciliation, and pre-tax-season prep.

Why a year-end checklist matters

Month-end close catches transactional errors — a duplicated invoice, a missing receipt. Year-end close catches structural problems: an inventory count that's been drifting for months, fixed assets that were disposed of but never written off, vendor credits that expired unused, employees classified incorrectly.

A checklist prevents two failure modes: the obvious one (forgetting a step entirely) and the subtle one (doing steps out of order, so the payroll close happens before the bank rec, missing payroll tax payments in the cash position).

The 30-step year-end close

Bank & Cash (steps 1–5)

1. Reconcile every bank account as of 31 December. Outstanding items (cheques in transit, deposits in float) are normal; mystery discrepancies are not.
2. Reconcile credit cards and merchant accounts. Settled vs. pending transactions often cross the year boundary — verify what actually cleared before 31 Dec.
3. Review petty cash and floats. If physical cash is held, count it and reconcile against the book balance.
4. Verify foreign-currency balances are revalued at 31 Dec exchange rates if applicable (IFRS/GAAP requirement).
5. Document any bank-account closures or openings during the year, with final balances transferred correctly.

Sales, Receivables & Revenue (steps 6–10)

6. Confirm all December invoices are recorded, even those sent on 30 or 31 Dec. Revenue accrues when earned, not when paid.
7. Age the receivables report. Identify anything over 90 days; write off uncollectibles or set up a bad-debt provision.
8. Match deposits to invoices. Unmatched deposits may be customer overpayments, early renewals, or mis-keyed invoice numbers.
9. Check for revenue recognized but not yet invoiced (accrued revenue) — retainers delivered, milestones reached, work completed but billing deferred.
10. Review credit notes and refunds. Verify they were applied to the correct customer and correct period.

Purchases, Payables & Expenses (steps 11–15)

11. Record all December supplier invoices, including those received in early January that are dated December (accrued expenses).
12. Age the payables report. Resolve duplicates, reconcile to vendor statements, identify overdue amounts.
13. Reconcile the company credit card statement to the expense ledger. Missing receipts or unrecorded charges need investigation.
14. Review prepaid expenses. Insurance, subscriptions, rent paid in advance — expense the portion consumed during the year.
15. Check for unrecorded liabilities: utilities (often billed in arrears), bonuses accrued but not yet paid, legal/audit fees invoiced after year-end but for services rendered.

Payroll & Employee Costs (steps 16–19)

16. Verify the final payroll of the year includes all hours worked, commissions earned, and bonuses declared. Check cut-off: if a pay period straddles 31 Dec, accrue the December portion.
17. Reconcile payroll tax accounts: PAYE, National Insurance, withholding — confirm paid amounts match the liability balance. Year-end is when discrepancies surface.
18. Review pension/retirement contributions. Employer match should reconcile to what was actually paid to the provider.
19. Reconcile employee-benefit accruals: holiday pay (annual leave earned but not yet taken), sick leave, time-in-lieu if your system accrues it.

Inventory & Cost of Sales (steps 20–22, if applicable)

20. Conduct a physical inventory count as of 31 December (or the closest practical date). Compare to the book value; investigate material differences.
21. Review inventory valuation. Write down obsolete or damaged stock to net realizable value.
22. Reconcile cost of goods sold. Opening stock + purchases – closing stock = COGS. If the figure looks wrong, the inventory or purchase records have a gap.

Fixed Assets & Depreciation (steps 23–25)

23. Update the fixed-asset register with purchases and disposals during the year. Verify purchase invoices are capitalized, not expensed.
24. Calculate and record depreciation for the full year. Use the depreciation policy documented in your accounting policies (straight-line, reducing balance, useful life assumptions).
25. Reconcile the asset register to the general ledger. Cost, accumulated depreciation, and net book value should tie exactly.

Other Balance-Sheet Items (steps 26–28)

26. Review loans and financing: confirm the principal balance, interest accrued but not yet paid, payment schedules.
27. Reconcile VAT / sales-tax accounts. Liability should match the return filed (or about to be filed) for the final period.
28. Check intercompany balances if applicable — transactions between related entities must be eliminated in consolidated accounts.

Final Review & Tax Prep (steps 29–30)

29. Run a trial balance and review for anomalies: negative balances in unexpected accounts, round numbers that suggest estimates rather than reconciliations, material movements from prior year.
30. Prepare tax-prep schedules in advance: capital allowances, disallowable expenses, tax depreciation vs. book depreciation. The accountant or tax preparer will need these, and preparing them now (while context is fresh) saves time in March.

After the close

Once every item is checked and reconciled, lock the period (if your accounting software supports it). Post-year-end adjustments should go through a formal prior-period-adjustment process, not silent edits to closed months.

File the checklist itself with your year-end working papers. When next December arrives, you will have forgotten which vendor always invoices late and which fixed asset was a finance lease — your notes are the institutional memory.

Where practices go wrong

• Rushing the close to meet a tax deadline. If accounts are due 31 January and you start reconciling on 28 January, errors are inevitable. Start the close in early January while the year is still fresh.
• Skipping the payroll reconciliation because "payroll is automatic". Automatic does not mean correct — mis-classified workers, wrong tax codes, and unclaimed employer reliefs hide in payroll for years.
• Not documenting judgement calls. Why was that receivable written off? Why was this asset fully depreciated after two years? Write it down, or the question will recur at audit / tax review / sale due diligence.

Year-end close is not a creative task. It is verification: matching, reconciling, confirming that what the books say matches reality. The checklist keeps you honest.