Definition
Reconciliation is the bookkeeping process of confirming that the balance shown in the accounting system for a given account matches an independent source. The most common reconciliation is the bank reconciliation, where the bank ledger in the accounting system is compared to the bank statement and any unmatched items are investigated and cleared. Reconciliations are performed at period end (monthly, quarterly, or annually) to confirm the books are accurate.
What reconciliation means in practice
For a bookkeeper, reconciliation is the discipline that catches everything else. A clean monthly bank reconciliation surfaces missing receipts, double-posted invoices, and mis-coded payments before they compound. A skipped reconciliation lets errors accumulate, often invisibly, until they show up as material variances at year-end.
The standard monthly reconciliation set covers every cash account (bank, credit card, PayPal, Stripe), the AP and AR control accounts, the VAT or GST control account, payroll clearing, and any inter-company balances. For each, the bookkeeper opens the reconciliation in Xero or QuickBooks, matches every transaction to a corresponding statement line, and resolves any unmatched items. Reconciling items typically fall into four buckets: timing differences (cheques in transit), missing postings (a fee not yet in the books), errors in posting (wrong amount, wrong account), and fraud or theft.
A practical example: a UK consultancy reconciles its main current account every Monday morning. In a typical week, the bank shows 25 transactions. 22 match cleanly to existing invoices and bills already in the system; 2 are bank charges not yet posted (the bookkeeper adds them as direct spend); 1 is a customer payment for an invoice raised the previous day (matches cleanly once the bookkeeper finds the invoice). Total time: 12 minutes. Multiplied across the month, the bank stays current and the VAT return at the end of the quarter requires no last-minute cleanup.
How reconciliation works by country
United Kingdom
HMRC’s MTD digital-link rule means the bank-feed-to-GL reconciliation must move data via API or structured import, not manual entry. The bank feed is a digital link by definition; bookkeepers who export bank statements as PDF and rekey into the ledger break the digital-link chain. Bank reconciliations on VAT-registered businesses should be performed at least quarterly to support the VAT return; most firms reconcile monthly.
Australia
The ATO does not mandate a reconciliation frequency but every quarterly BAS requires the GST control account to reconcile to the actual GST liability. Most AU bookkeepers reconcile the bank monthly and the GST control quarterly before the BAS is lodged. Mis-reconciled GST accounts are the single most common cause of BAS errors that the ATO flags on audit.
Canada
The CRA expects bank reconciliations to be available on audit. The Input Tax Credit Information Regulations require supporting documentation for every ITC claim, which is straightforward only if bank, AP, and ITC reconciliations are kept current. The CRA’s pattern in GST/HST audits is to ask for the bank reconciliation, the AP reconciliation, and a sample of supporting invoices in the first request.
New Zealand
IRD requires records to be retained for seven years including reconciliations. Bank reconciliations and the GST control reconciliation are routinely requested on enquiry. Most NZ bookkeepers reconcile bi-monthly to align with the GST return cycle (2-monthly default), although monthly cadence is increasingly common where the firm uses Xero NZ.
Singapore
ACRA section 199 requires accounting records sufficient to show the company’s transactions, which in practice means monthly bank and AP reconciliations for any company above the small-company audit exemption threshold. Audited entities are required to provide reconciliation working papers to the auditor at year-end.
Related terms
Reconciliation is the operational discipline behind the rest of the ledger:
- Bank reconciliation is the most common form (the dedicated entry covers it in more depth).
- The general ledger is what the reconciliation is checking against the source.
- The trial balance is the periodic snapshot that depends on every account being reconciled.
- Accounts payable and accounts receivable both need control-account reconciliations at period end.
- A reconciling item is usually cleared with a journal entry.
See also
For the practical mechanics of bank reconciliation in Xero or QuickBooks, see the per-software workflow guides as they ship.
FAQ
See the answered questions above for the monthly reconciliation set, what counts as a reconciling item, and typical timing for a clean monthly reconciliation.