A step-by-step guide to bank reconciliation for small businesses

Every single number you rely on in your business starts with data entry and should be confirmed through bank reconciliation. If either step is missed, it becomes difficult to know how your business is performing or that you’re paying your tax accurately.

On top of this, small mistakes often snowball, affecting all the transactions after them. This is often referred to as the 1-10-100 rule. The rule emphasises the importance of early data entry and reconciliation by stating that it costs $1 to fix an error at the data entry stage, $10 to fix after the fact, and $100 to fix once it shows up in your reports.

In this guide, we’ll cover how to avoid letting small mistakes spiral into big problems. We’ll look at what data entry is and how to do a full bank reconciliation from scratch. Grab your calculator and let’s get started.

The basics of data entry and bank reconciliation**

Data entry

Financial data entry is how your business records money as it moves in and out. When this information is accurate and centralised, it becomes much easier to understand your financial position, meet tax obligations, and monitor cash flow.

Business owners often need to balance speed and accuracy when it comes to data entry. On one hand, you don’t want to spend hours each day recording transactions. On the other hand, moving too quickly increases the risk of mistakes. This trade-off is why many busy business owners look for external support.

Bank reconciliation

Bank reconciliation is the process of checking that the transactions in your accounting system match what appears on your bank statement. Doing this process regularly helps you catch errors, detect fraud, and track cash flow before it causes problems for your business.

There is no single ‘best’ way to do this, and businesses manage their data in different ways. Many use accounting software to automatically capture transactions and match them to bank statements or engage a financial expert to input and review the data.

A step-by-step guide to doing your own bank reconciliation

Now we can get to the good part: doing your own bank reconciliation. Despite what you might think, you don’t need any advanced degrees to balance your books.

By using these simple steps (and keeping a close eye on the details), you can reconcile your own numbers today.

1. Collect all your documents

Your first task is to find all the financial information you have for the period you are reconciling. This could be in your accounting software, emails, between messages with co-workers, or on suppliers’ websites.

A good starting point is reconciling the past quarter or month. Your documents could be any of the following:

• Bank statements (and credit card statements if relevant)

• Sales invoices (money in)

• Supplier invoices and bills (money out)

• Expense receipts (fuel, travel, software, etc.)

• Payroll summary for the period (including PAYG withholding and superannuation)

• Merchant payment reports (Stripe, Square, PayPal, EFTPOS)

• Loan repayment statements (if relevant)

Make sure all your records cover the exact same timeframe. Reconciling mismatched time periods can easily confuse the process.

2. Find your opening balance

Before you start tracking individual transactions, check your opening balance. Your opening balance is the amount of money in your bank account at the very start of the period you’re reconciling.

It’s important to get this right as your opening balance is the starting point for all your calculations. If it’s wrong, every transaction you add or subtract after that will be incorrect.

3. Create a spreadsheet and input all the data from your documents

Now it’s time to create a basic spreadsheet you can use to input all the data you’ve gathered and get a running total. Open Excel or Google Sheets and set up basic columns for the date, description, money in, money out, and a running balance.

Add all your data into your spreadsheet and keep track of what your moving balance should be.

Tip: If your software allows, attach your invoices and receipts in a document row. That way, if there are any inconsistencies, you can go back and directly check the source.

4. Match your transaction spreadsheet to your bank statement

With your spreadsheet complete, compare it line by line to your bank statement.

Start at the top of the bank statement and work your way down. For each transaction on the statement, find the matching entry in your spreadsheet and tick it off.

When something doesn’t match, stop and work out why:

• If a transaction appears on the bank statement but not in your spreadsheet, add it.

• If it appears in your spreadsheet but not on the bank statement, leave it unmatched for now.

• If the amounts don’t match, check the invoice or receipt and correct the entry.

• If the same transaction appears twice, remove or correct the duplicate.

Work through the entire statement until every line is matched. When everything is accounted for, your running balance should match your bank statement balance for the end of the period you’re reconciling.

5. Next steps

At the end of this process, your books are ‘balanced’. Lock this period and set a date in your calendar to do the next reconciliation. Doing this monthly will help you stay on top of your numbers and spot any discrepancies before they grow into problems for your business.

Best practices for reconciliation

If you’re taking the time to read this article, we know that you want to get your reconciliation right the first time. Here are some expert tips to help you get the best results.

Set a frequency based on risk, not only a calendar date**

While monthly reconciliation is common, many financial experts say to do it when your cash flow changes meaningfully. For example, when you’re running payroll, processing large volumes of transactions, or receiving a payout.

Keep track of why things don’t match

When something is off, note the reason for the difference. This might be a duplicate entry, an unclear supplier name, missed fees, or a payment that is still pending.

If you start to see the same issues coming up repeatedly, it’s usually a sign that something in your data entry process needs to be fixed.

Lock periods after reconciliation

Once you finish reconciling a period, make sure past transactions cannot be changed. If numbers can be edited after the reconciliation is done, your balances can change without you noticing, and the reconciliation becomes unreliable.

Keep reconciliation records in a safe, accessible place

Store your bank statements, reconciliation reports, and supporting documents together in one place. You may need to access these records later, including for tax purposes, and they generally need to be kept for several years.

5 ways to automate data entry and reconciliation

Reconciliation can take up a lot of time. The good news is that there are a number of software tools that can help automate parts of the process. Here are five that can help.

1. Use accounting software with bank feeds

Most modern accounting platforms give you the option to connect directly to your bank accounts.

This allows transactions to flow into your system automatically, rather than being entered by hand. You still need to review and add the correct category to them, but the heavy lifting is done for you.

2. Enable receipt and invoice capture tools

Many tools now use OCR (Optical Character Recognition) to read invoices and receipts and extract key details like dates, amounts, and suppliers. This will reduce the need for manual typing and help keep supporting documents attached to the right transactions.

3. Automate recurring transactions

Regular expenses such as rent, subscriptions, loan repayments, and wages can often be set up as recurring entries. This keeps records consistent and reduces the risk of forgetting or mis-entering repeat payments.

4. Use reconciliation rules and matching logic

Accounting software can be configured with rules that automatically match transactions based on amount, supplier, or description. This speeds up reconciliation and makes it easier to spot anything that truly needs your attention.

5. Outsource data entry and reconciliation support

For many growing businesses, the most effective form of automation is removing the task from your plate altogether. Data entry services combine software, processes, and experienced review to ensure records stay accurate without taking up your time.

Visory goes a step further by pairing data entry and reconciliation with ongoing financial insight. This means your numbers are reviewed, explained, and used to highlight trends in cash flow, risks, and opportunities. This can help you make the right financial decisions to reach your business goals.

Bringing your numbers to life

Accurate data entry and regular bank reconciliation are what make your financial information reliable. When these processes are done consistently, you spend less time fixing errors and second-guessing what you can and can’t spend going forward.

If you’d rather focus on running your business and spend less time in the financial weeds, Visory can support you with data entry and reconciliation, and give you the financial insight needed to make informed decisions as you grow.

To learn more, book a no-obligation discovery call here.

FAQs

What happens if I don’t reconcile my bank statements?

If you choose not to reconcile your statements, you’re running the risk of errors slipping through. Outside of missing payments or not having enough set aside for your tax bill (both potentially devastating consequences), you could be operating from false numbers.

This means you might think you have the cash flow to invest in a new hire or start using a premium software option, only to discover later that you’re cash-poor or missed an opportunity to invest elsewhere.

What types of transactions need to be reconciled?

Any transaction that affects your bank balance should be reconciled (which is typically all of them). The only transactions you shouldn’t be reconciling are those that fall outside of the period you are reconciling, money that was on a card hold but was released, or money that was instantly refunded.

Even in these cases, it can still be useful to note down the money coming in and out; this can reduce confusion or the need to explain to others who read the doc why something was left out.

What could I learn about my business from reconciling my accounts?**

Reconciling is a window into your day-to-day spending. It can help you feel confident in your numbers instead of having a vague idea of what’s going in and out.

When you see all the incoming and outgoing transactions, you might also notice costs you can cut, such as subscriptions you’re no longer using, or see that you have enough cash flow to invest in something to grow your business, like new computers for the team.

If you want to turn your financial data into insights, you might be interested in Visory’s Insights service. You can learn more about it here.