Content reviewed and verified by Graham Chee, with FCPA-led practice at Local Knowledge, Mascot NSW. Continuous CPA Australia member since 1986. Prior career at Goldman Sachs, BNP Investment Management and Merrill Lynch..
TL;DR
Every reliable financial report starts here. A clear guide to reconciling well — and what goes wrong when you do not.
Key Takeaways
- Overstated or understated GST, leading to a wrong BAS and possible ATO adjustment
- Duplicated income or expenses that distort your profit
- Missed deductions because expenses were never coded
- Decisions made on cash figures that are simply incorrect
- Expensive clean-up work at tax time that could have been avoided
What Reconciliation Actually Proves
It is not data entry — it is verification.
Bank reconciliation is the process of matching every transaction in your accounting software to your actual bank and card statements, so the two agree to the cent. Done properly, it proves that your books reflect reality: every sale banked, every expense recorded, nothing duplicated, nothing missed.
This matters because every other number you rely on — your GST on the BAS, your profit, your cash position — is only as trustworthy as the reconciliation beneath it. A beautifully formatted profit and loss report built on an unreconciled ledger is, quite simply, fiction.
What Poor Reconciliation Costs You
The hidden price of a messy bank feed.
Overstated or understated GST, leading to a wrong BAS and possible ATO adjustment
Duplicated income or expenses that distort your profit
Missed deductions because expenses were never coded
Decisions made on cash figures that are simply incorrect
Expensive clean-up work at tax time that could have been avoided
Difficulty securing finance when a lender reviews your accounts
Reconciling Well in Xero, MYOB or QuickBooks
Good habits that keep the feed clean.
Modern cloud software imports transactions automatically through a live bank feed, but the feed only suggests matches — it does not think. The discipline is in the coding: allocating each transaction to the right account and GST treatment, and resisting the temptation to force a match just to clear the queue.
Well-configured bank rules can speed up recurring items such as merchant fees or regular suppliers, but rules should be reviewed, not trusted blindly. We recommend reconciling little and often — weekly for most businesses — so problems surface while they are still easy to trace, rather than as a month-end mountain.
A Reliable Monthly Reconciliation Routine
Import & Match
Confirm the bank feed is complete for the period and match transactions to invoices, bills and payments.
Code the Unmatched
Allocate every remaining item to the correct account and GST code — never guess.
Check the Balance
Confirm the software balance equals the closing bank statement balance to the cent.
Review Exceptions
Investigate anything unusual — old unpresented items, duplicates, or unexpected fees — before closing the period.
Bank Reconciliation Questions
Q.How often should I reconcile?
For most Sydney SMEs, weekly is ideal and monthly is the minimum. Frequent reconciliation keeps errors small and your GST position accurate throughout the quarter.
Q.My software says “reconciled” — does that mean it is correct?
Not necessarily. Software confirms that items have been actioned, not that they were coded correctly. Accurate coding and a matching statement balance are what make a reconciliation trustworthy.
Q.What if my balance will not match?
Common causes are duplicated transactions, timing differences, or an incomplete feed. We methodically trace the difference rather than posting an adjustment to force a match.
Q.Can you take reconciliation off my hands entirely?
Yes. Many clients hand us the bank feed and receive clean, reconciled books and a short monthly summary in return.
About the Author
Graham Chee, FCPA, CPA, GRCP, GRCA
Principal and Founder, Local Knowledge
Graham Chee is the principal and founder of Local Knowledge, an FCPA-led Australian practice that brings institutional-grade compliance, investment-structure and intellectual-property experience directly to owner-managed businesses. Graham is a Fellow of CPA Australia (FCPA since November 2005, continuous CPA member since 1986) and holds the OCEG Governance, Risk & Compliance Professional (GRCP) and Governance, Risk & Compliance Auditor (GRCA) designations. His prior career includes senior roles at Goldman Sachs, BNP Investment Management and Merrill Lynch. Graham was previously portfolio manager of the Asian Masters Fund (IPO December 2007 – 31 December 2009), which returned +29% in AUD terms versus the MSCI Asia Pacific (ex Japan) benchmark. He signs off on 100% of client files personally.
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This article is general information only and does not constitute financial, tax or accounting advice. Rates, thresholds and lodgement dates change and depend on your circumstances — Graham Chee, FCPA confirms the current position for your business before you act.
Graham Chee FCPA, CPA, GRCP, GRCA · Principal, Local Knowledge · Mascot NSW · CPA-signed files