Common bookkeeping problems rarely start with one dramatic error. More often, small gaps build up: a receipt is missing, a bank transaction is unmatched, a customer invoice is not followed up, or a cost is copied twice.
1. Treating the bank balance as the whole picture
What it looks like: The balance looks healthy, so the business spends without considering bills, payroll, tax, stock or supplier commitments due next.
Better routine: Keep a short cash view that includes realistic receipt dates and known payments. Mark uncertain receipts as uncertain.
2. Leaving evidence until year end
What it looks like: Receipts, sales records and supplier bills sit in several places for months.
Better routine: Allocate a weekly slot for matching transactions and filing support. A short regular session is usually more reliable than a large catch-up.
3. Mixing personal and business activity
What it looks like: A business card or account is used for personal spending, or an owner’s payment is recorded as an ordinary business expense.
Better routine: Identify the entry, retain the evidence and record its correct business treatment before reports are relied upon.
4. Raising invoices late or not following them up
What it looks like: The work or sale is complete but the invoice, payment promise and next action are not visible together.
Better routine: Review aged balances weekly. Give each material balance an owner, a next action and a realistic expected date.
5. Using old assumptions for current decisions
What it looks like: A price, margin, stock decision or staffing plan still uses a cost or cash assumption that has changed.
Better routine: Compare the current record with the original assumption and note the reason for the variance before the next decision.
Construction and trades: specialist addition where applicable
Project businesses can add job references, scope-change evidence, retention and CIS checks to the core routine. These additions should be clearly visible rather than treated as general expense entries.
A quick weekly check
Before the week ends, ask: are material receipts and bills supported; which customer balance needs a specific follow-up; which cost or commitment has changed; and what cash is committed before the next likely receipt? These questions do not replace advice, but they make current information more useful.
Related FoxSums resources
- Bookkeeping for Small Businesses: Why It Matters
- Cloud Accounting: A Weekly Routine That Works
- Why Small Businesses Need More Than Year-End Accounts
- Monthly Finance Checklist for Small Businesses
Next step
Choose one weekly time to reconcile the bank and file receipts before small gaps become harder to explain.
Important
General information only. Check the facts and current official guidance for the business’s circumstances.
Sources and review
- Evidence check date: 2 November 2026.
- FoxSums operational guidance. This resource does not make a tax, legal or regulatory determination.