The Month-End Close Checklist for Small Businesses (12 Steps)

Closing the books every month turns accounting from a year-end scramble into a management tool. A consistent close means you know your cash, margins and obligations within days of month-end — and your CPA gets a clean file at tax time. Here's the 12-step checklist we use, adaptable to QuickBooks Online or Xero.

Before you start

Agree three things with whoever approves the books:

• Target close date: for example, reports delivered by the 10th business day.
• Basis: cash or accrual (your CPA can advise).
• Materiality: the dollar threshold below which you don't chase small differences.

The 12 steps

1. Confirm all bank and card feeds are current

Check that every bank, credit card and payment-processor feed has imported through the last day of the month. Reconnect any broken feeds.

2. Categorize all transactions

Clear the uncategorized queue. Apply bank rules for recurring items; attach receipts where required. Flag anything unusual or unclear for the business owner rather than guessing.

3. Record missing transactions

Enter cash expenses, owner reimbursements, transfers between accounts and any transactions not in the feeds.

4. Reconcile bank accounts

Reconcile each bank account to its statement ending balance. Investigate and resolve differences. See the bank reconciliation guide.

5. Reconcile credit cards

Reconcile each card to its statement. Confirm payments to the card are recorded as transfers, not expenses.

6. Reconcile payment processors and clearing accounts

Match Stripe, PayPal, Shopify or Square payouts to sales and fees. Make sure clearing or "undeposited funds" accounts are cleared or explained.

7. Review accounts receivable

• Apply all customer payments.
• Review the AR aging report.
• Follow up on overdue invoices according to your collections policy.
• Flag doubtful accounts for the owner or CPA.

8. Review accounts payable

• Make sure all bills for the month are entered.
• Review the AP aging report.
• Confirm payments made are matched to bills.

9. Reconcile payroll

Match payroll journal entries from your payroll provider (for example, Gusto) to the general ledger: wages, taxes, benefits and reimbursements. Investigate any mismatch.

10. Record adjusting entries (accrual basis)

With approval from the owner or CPA, record:

• Accrued expenses (services received but not billed)
• Prepaid expenses amortization
• Deferred revenue adjustments
• Depreciation

11. Review the financial statements

• Compare the P&L to the prior month and the same month last year.
• Investigate unusual swings.
• Check the balance sheet: do bank balances match reconciliations? Are there odd balances in suspense or clearing accounts?

12. Reviewer sign-off and reporting

A second person reviews the close against this checklist, then delivers:

• Profit and loss
• Balance sheet
• Cash-flow summary
• AR and AP aging
• A short commentary: what changed, what needs attention

Lock the period in your accounting software to prevent accidental changes.

A timeline example

Records to keep

The IRS explains what records businesses should keep and for how long (IRS recordkeeping; how long to keep records). Keep reconciliation reports, statements and supporting documents organized by month.

Common close problems

1. Broken bank feeds discovered late. Check feeds weekly, not monthly.
2. Uncategorized backlog. Categorize weekly to keep the close fast.
3. Missing receipts. Use a receipt-capture tool and a weekly reminder.
4. No reviewer. Errors compound without a second set of eyes.
5. Unlocked periods. Lock closed months.

What ExecWing does — and doesn't

ExecWing bookkeepers run this checklist monthly, with a reviewer signing off every close. We don't prepare or file taxes, provide CPA or attestation services, or give legal advice; we coordinate with your CPA, who handles those.

See Bookkeeping services and pricing.

A worked example: a five-day close

Here's an illustrative close calendar for a 25-person business with three bank accounts, two cards, payroll twice a month, and about 400 transactions a month. Business days are counted from the first business day of the new month.

Many small businesses close in 10 business days or more, and that's fine as a starting point. The aim is a predictable date that tightens over time.

The close package: what the owner should receive

1. Profit-and-loss statement for the month and year to date, compared with the prior month and prior year
2. Balance sheet
3. Cash summary: beginning cash, ending cash, major inflows and outflows
4. AR aging, with the top five overdue customers
5. AP aging, with anything due in the next 14 days
6. A short note: three to five bullets on what changed and why
7. Open questions that still need the owner's answer

Variance review, made concrete

A useful rule is to explain any line that changes by more than both a percentage and a dollar amount. That avoids chasing tiny swings.

Cash vs. accrual, in one paragraph

Cash-basis books record income when you're paid and expenses when you pay. Accrual books record them when earned or incurred. Many small businesses keep cash-basis books, but accrual gives a truer monthly picture once you have meaningful receivables, payables or prepaid contracts. IRS rules limit which businesses can use the cash method for tax purposes. Ask your CPA which method fits, and keep the same method month to month.

Signs your close process needs work

• The close date moves every month
• The same reconciling items appear month after month
• The owner finds errors in the P&L before the bookkeeper does
• Large balances sit in "uncategorized" or "ask my accountant"
• Prior months change after they were reported, because periods aren't locked

Sources

• IRS, Recordkeeping.
• IRS, How long should I keep records?
• IRS, Publication 538: Accounting Periods and Methods. ---SOURCES---