5 Common Bookkeeping Mistakes—and How to Fix Them
You open your bookkeeping software, look at the reports, and wonder whether the numbers tell the full story. A missing receipt here, an uncategorized payment there, or a bank account that hasn’t been reconciled can make it hard to know where your business stands.
Start with these five checks. They can help you spot what needs attention and decide whether you need a better monthly routine or help catching up on earlier periods.
1
Keeping transactions without the records behind them
A bank transaction tells you that money moved. It may not explain what you bought, which customer paid, or whether part of a payment was personal.
What to do: Keep receipts, invoices, statements, and relevant notes in an organized location. Use a consistent naming system, such as date, supplier, and amount. Attach supporting documents to transactions where your software allows it.
Example: A $240 payment to an online retailer could cover office supplies, equipment, personal items, or a mixture. Check the itemized receipt before assigning the whole payment to one category.
Keep a short list of missing documents and follow up while the transaction is still fresh. Software can help organize records, but it cannot supply a business purpose you haven’t documented.
2
Putting payments in the wrong categories
Not every payment leaving your bank account is an operating expense. Transfers, loan principal, owner withdrawals, and equipment purchases may need different treatment.
What to do: Review the underlying document and the purpose of the payment. Use consistent categories and flag unfamiliar transactions for your bookkeeper or accountant instead of guessing.
Example: Suppose equipment should be recorded as an asset under your accounting policy, with its cost recognized over time through depreciation. Recording the entire purchase as an immediate operating expense instead can overstate current expenses and understate current profit and assets. This is an illustrative bookkeeping example, not a rule that every equipment purchase must be capitalized.
Your reporting basis, capitalization policy, and applicable tax treatment matter. Ask your accountant to confirm the treatment before changing earlier entries. Bookkeeping classification and tax deductions are not always the same.
3
Letting the weekly review become a year-end rush
When transactions build up for months, details become harder to remember. You may also miss duplicate entries, customer payments, or supplier bills that need attention.
What to do: Set a regular time to gather documents, review new transactions, and resolve questions. Assign someone to provide missing information and someone to review the books.
- Check uncategorized transactions and missing receipts.
- Review unpaid customer invoices and supplier bills where you track them.
- Resolve questions before closing the month.
- Review the completed reports and note anything unexpected.
If your earlier records are in order but you struggle to keep up, monthly bookkeeping support can help establish an agreed routine.
4
Having no clear plan for access or recovery
Financial records can become difficult to retrieve when a device fails, a team member leaves, or an account becomes inaccessible. Storing files online does not, by itself, establish a complete recovery plan.
What to do: Document where your records are stored, who controls the accounts, and how access can be recovered. Use individual user accounts and suitable permissions rather than sharing one login.
- Enable multifactor authentication where available.
- Keep recovery details under business control.
- Understand what your software backs up and what it can restore.
- Keep appropriate copies of source documents and agreed report exports.
- Check that authorized staff can retrieve those records when needed.
A report export is useful, but it may not recreate a complete accounting file. Choose your backup and recovery arrangements with that distinction in mind.
5
Assuming a connected bank feed means the account is reconciled
Importing transactions and reconciling an account are different tasks. Reconciliation compares the accounting records with a bank or credit-card statement and accounts for differences, including valid timing differences.
What to do: Reconcile each relevant account against its statement regularly, typically each month. Check the statement dates and balances, review matched transactions, and investigate the remaining differences.
Example: A payment recorded manually and then added again from a bank feed can create a duplicate. Review the original record and supporting evidence before removing anything. Don’t force the reconciliation to balance with an unexplained adjustment.
Where several months are unfinished or opening balances are unreliable, start by assessing the affected periods. Our Cleanup & Catch-Up service is scoped separately to address historical bookkeeping work.
A short check you can do today
- Which month was each bank and credit-card account last reconciled?
- Are there transactions you cannot explain or support?
- Are customer invoices and supplier bills current?
- Can you retrieve your records without relying on one person’s device or login?
- Do you know who will resolve the outstanding questions?
If the issues are mainly in earlier periods, start with cleanup. If the books are current and the challenge is maintaining them, discuss monthly support. You may need both, but cleanup does not require a monthly engagement afterward.
General bookkeeping information for business owners. The right treatment depends on your records, accounting basis, and circumstances; discuss specific accounting or tax decisions with your adviser.
Further reading: Intuit: Assets and expenses · Intuit: Account reconciliation
Not sure where to start?
Talk with Ana Lee about your software, the condition of your books, and any deadline you’re working toward. The discovery call is free; bookkeeping work is assessed, scoped, and quoted separately.
Email Ana: ana@bookkeepingaccountant.com
