Month-End Close
Short answer
The month-end close is the routine process of finalizing a month's bookkeeping — categorizing remaining transactions, reconciling accounts, reviewing reports, and locking the period so it is complete and accurate.
Why it matters
Without a defined close, bookkeeping never truly finishes. Transactions carry over unfinished, reports are never finalized, and errors compound. A monthly close turns bookkeeping from an open-ended chore into a completed cycle.
How it works
At the end of each month, outstanding transactions are categorized, bank and credit-card accounts are reconciled, reports are reviewed for accuracy, and any corrections are made. Once the month is closed, the next month begins with a clean starting point.
A simple example
On the fifth of each month, a business closes the previous month: it finishes categorizing, reconciles three accounts, reviews the P&L, and confirms everything balances before moving forward.
Related service
Monthly Bookkeeping
When you may want help
If your books never feel finished, transactions are always half-entered, or you cannot produce a clean monthly report, a monthly bookkeeping process with a defined close can bring structure.


Written and reviewed by Rachel Armstrong, owner and bookkeeper at Armstrong Quality Financial Services. QuickBooks Online Level 1 ProAdvisor. This entry explains a general concept and is not individualized tax, legal, or investment advice.
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