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The month-end close checklist for bookkeepers with many QuickBooks Online clients

A repeatable close is what lets a small firm handle many clients without errors. Here's the checklist, in order, and the tracker that shows where every client stands.

By the Nexora Recon team, Houston, TX · Updated October 16, 2026 · 3 min read

Why a checklist matters more with every client you add

One client's close can live in your head. Thirty can't. The firms that close fast don't work harder at month-end; they run the same steps, in the same order, for every client, and they can see at a glance which client is stuck on which step.

Step 1: Collect what you need (days 1–5)

• Bank, credit card, loan and line-of-credit statements for every account.
• Payroll reports if payroll is run outside QuickBooks.
• Merchant / card processor statements for clients who take card payments.
• Receipts and explanations for anything you flagged last month.

This is where most closes stall. A standard request, sent on the same day each month with polite reminders, works far better than ad-hoc asks. See how to get statements from clients without chasing.

Step 2: Reconcile every bank and card account

• Clear the bank feed's review list, matching before adding.
• Reconcile each account against its statement to a $0.00 difference (step-by-step guide).
• Reconcile loan accounts to the lender's statement and split payments into principal and interest.
• Investigate old uncleared items: checks outstanding more than 90 days, deposits in transit that never arrived.

Step 3: Clean up the file

• Empty Uncategorized Income/Expense and Ask My Accountant (how).
• Clear Undeposited Funds / Payments to deposit: everything there should be a real deposit in transit.
• Check that transfers and credit card payments are recorded as transfers, not income or expense.
• Review bank rules that auto-add transactions; one bad rule repeats its mistake every month.

Step 4: Receivables, payables and liabilities

• Run A/R aging: are old open invoices really unpaid, or were payments deposited without being applied?
• Run A/P aging: same question for bills.
• Payroll liabilities should go to zero after each tax payment; a growing balance means payments aren't being recorded against them.
• Sales tax payable should match the return about to be filed.

Step 5: Review the numbers like the client will

• Compare this month's P&L with last month and the 3-month average. Large swings in revenue, margin, or a cost category deserve a question.
• Look for regular monthly costs that are missing (rent, insurance, software), which usually means an unrecorded transaction.
• Check cash against profit: falling cash despite a profit points to receivables, inventory, owner draws, or loan payments.
• Scan for unusually large payments and possible duplicates (same payee and amount within a few days).

Step 6: Close the books and report

• Set the closing date in QuickBooks Online (Settings ⚙ → Account and settings → Advanced → Accounting → Close the books), with a password, so earlier periods can't be changed silently.
• Send the client their reports and the short list of questions from step 5.
• Note anything to follow up next month.

The multi-client tracker

One row per client, one column per step, a date in each cell when it's done. That's all it needs to be:

The hard part is keeping it current by hand. Nexora Recon keeps this view up to date from QuickBooks itself: who's reconciled, which statements are missing account by account, and what needs fixing, for every client.

Frequently asked questions