10 Accounting Mistakes That Cost Small Businesses Time and Money

Most small-business accounting problems are not caused by complicated standards. They come from weak routines repeated for months. Fixing the routine is usually cheaper than fixing the year.

The ten mistakes

1. Mixing personal and business money. Use separate accounts and record owner transactions clearly.
2. Recording only bank transactions. Cash, credit sales, supplier balances and founder-paid expenses can still matter.
3. Losing purchase bills. A bank payment alone may not explain the business purpose or tax treatment.
4. Ignoring receivables. Sales are not the same as cash collected.
5. Waiting until year-end. Reconstructing 12 months at once is slow and error-prone.
6. Using tax filings as the accounting system. Returns should come from records; records should not be reverse-engineered from returns.
7. Not reconciling VAT/TDS. Where applicable, tax ledgers should agree with filed returns and payments.
8. Posting shareholder withdrawals as expenses. Owner transactions need their own accounting treatment.
9. No fixed-asset register. Track computers, vehicles, equipment and other material assets.
10. No backup. Keep cloud/off-site copies of records and source documents.

The fix: one monthly close checklist

Create a recurring checklist with a named responsible person and a completion date. A simple process followed every month beats sophisticated software that nobody updates.

Frequently asked questions

Official sources & further reading

• Inland Revenue Department — FAQ
• Office of Company Registrar — Activities Required After Incorporation

Rules, thresholds, rates and filing processes can change. Check the current law and official portal before relying on an older guide.