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Spring-Clean the Expense Line: A Practical Expense Audit

26 Aug 2026 · 3 min read · Doctor

Spring-Clean the Expense Line: A Practical Expense Audit

Chasing more revenue gets most of the attention, but a quiet leak usually sits closer to home: recurring costs nobody has checked in months. An expense audit finds software nobody uses, overlapping insurance, and creeping bank fees, and every rand it removes drops straight to net profit.

Why cutting costs beats chasing sales

Acquiring a new customer is almost always harder and more expensive than cancelling a subscription nobody opens anymore. There is no cost of sales attached to a saved expense: a rand trimmed from overheads is a rand of pure profit, in a way a rand of new revenue never quite is once costs are deducted from it.

The compliance angle

A messy expense line is not only a profitability problem. Under Section 11(a) of the Income Tax Act, an expense is only deductible if it was incurred in producing income and strictly for trade purposes. Blurred business and personal spending, or paying for services nobody uses, invites scrutiny if SARS ever audits you. Claiming input VAT on your VAT201 also requires valid tax invoices (SARS sets out the requirements at https://www.sars.gov.za/), and redundant automated subscriptions often come with missing documentation, which means disallowed claims. An expense audit tightens this at the same time it saves money: check also for hidden fringe benefits buried in operational spending, like unused gym memberships or personal vehicle allowances, since those should be running through PAYE.

Getting visibility first

If your financial statements lump spending into vague buckets like "General Expenses" or "Sundries," you cannot manage what you cannot see clearly. Moving to cloud accounting software with automated bank feeds replaces the old shoebox of receipts with transaction data you can actually tag to a supplier and cost centre. Once that visibility exists, spotting recurring low-value expenses stops being an annual nightmare and becomes routine.

The maths behind an expense audit

If your business runs on a 10% net profit margin, generating an extra R10,000 in profit through sales means finding R100,000 in new revenue. Cut R10,000 in redundant subscriptions, bank charges and overpriced insurance instead, and you land at the same extra R10,000 in profit without selling a single additional unit. That is the multiplier that makes an expense audit worth doing properly, and the freed-up cash can go toward growth, debt reduction, or simply a stronger cash buffer.

Actionable roadmap

  • —Export twelve months of bank statements and your general ledger; summary income statements will not show you the detail you need.
  • —Go through every recurring line with your management team and apply a simple test: if nobody can explain out loud what it does for the business, flag it for cancellation.
  • —Audit your software subscriptions specifically. Duplicated tools, unused premium tiers and licences for people who have left are the most common culprits.
  • —Review bank and merchant fees, and check whether a different business account or card rate would save you money on your actual transaction volume.
  • —Consolidate insurance policies with your broker to avoid paying multiple premiums for overlapping or depreciated cover.
  • —Put a purchase order threshold in place in your accounting software so new spending above a set amount needs approval before it becomes a liability.

What this does for funding readiness

Lenders and investors look closely at EBITDA, and a bloated overhead structure reads as a lack of management discipline. A lean expense line, by contrast, signals operational control and improves the debt service coverage ratio banks use to decide whether your cash flow can support new repayments. Cutting costs now makes the business a more attractive, lower-risk prospect later.

Get an outside perspective

Business owners are usually too close to their own spending to see every leak. A virtual CFO or experienced accountant brings market benchmarks and the distance needed to run a proper expense audit without sentiment getting in the way. If you want a second set of eyes on your overheads, our team can help: https://thecomplianceclinic.co.za/services/

Need expert tax and accounting support? The Compliance Clinic helps South African businesses stay compliant, reduce tax liabilities, and grow with confidence. Contact us today: https://thecomplianceclinic.co.za/contact-us/ | View our services: https://thecomplianceclinic.co.za/services/

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