How to track business expenses in South Africa

Why expense tracking matters more than it looks

Every rand you spend running your business is potentially a rand you don't pay tax on. When you under-track expenses, you overstate your profit and hand SARS more than you owe. When you track them properly, you claim every legitimate deduction — and, if you're VAT-registered, you reclaim the input VAT on top.

The catch is proof. SARS doesn't take your word for an expense; it expects a record. So the real skill isn't adding up numbers — it's never losing a receipt and being able to find any one of them quickly. That's where most small businesses fall down, usually because they leave it all for later.

What counts as a business expense?

Under the Income Tax Act, you can generally deduct expenses that are incurred in the production of income and are not of a capital nature. In everyday terms, that's the day-to-day cost of running your business. Capital items (like a vehicle or major equipment) are usually claimed differently, through wear-and-tear allowances rather than as a once-off expense.

Common deductible categories for a South African small business include:

• Stock and materials — goods you buy to sell or use in your work.
• Fuel and travel — business mileage, fuel, tolls and public transport.
• Tools and equipment — smaller items used in the business.
• Rent and utilities — premises, electricity, water.
• Salaries and wages — including contributions you make for staff.
• Professional and bank fees — accountant, legal, and bank charges.
• Insurance — business cover.
• Marketing and advertising — from printed flyers to online ads.
• Communication — business airtime, data and internet.

What you can't claim is private spending. If something is used partly for business and partly personally — a phone or a vehicle, say — you can usually only claim the business portion, so keep a sensible record of the split.

The four steps of a system that actually works

1. Capture at the moment of spend

The single biggest improvement you can make is to record each expense when it happens, not weeks later. A faded till slip in a bakkie door is a deduction you'll probably lose. Photograph it, forward the email invoice, or log it there and then — while you still remember what it was for.

2. Keep the proof, digitally

SARS accepts digital copies, so you don't need a drawer of paper. A clear photo or PDF of each receipt, stored somewhere you control and backed up, is enough. The key is that it's legible and you can retrieve it — which matters because records must be kept for five years (more on that in our record-keeping guide).

3. Categorise consistently

Use a small, steady set of categories — the list above is a good starting point. Consistency beats precision: it's far more useful to tag every fuel slip as "Fuel" every time than to invent a new label each month. Consistent categories are what turn a pile of receipts into a picture of where your money goes.

4. Review monthly

Once a month, glance at your totals by category. You're looking for two things: anything missing (a supplier you know you paid but can't see), and anything surprising (a category creeping up). Ten minutes a month here saves hours at year-end and means no nasty surprises in your tax bill.

Spreadsheet, accounting software, or something simpler?

There are three common ways to run this:

• A spreadsheet. Free and flexible, but you're doing all the capturing and adding-up by hand, and the receipts still live somewhere else. It works until you get busy — which is exactly when it falls apart.
• Cloud accounting (Xero, QuickBooks). Powerful and the right call once you have a bookkeeper or real complexity, but it's more than many owner-run businesses need, and someone still has to get the receipts into it. (See our QuickBooks vs Xero comparison.)
• A capture-first tool. Something that turns the receipt itself into the record — so capturing and tracking are the same action.

A quick word on VAT

If your business is registered for VAT, tracking expenses does double duty: a valid tax invoice doesn't just support your income-tax deduction, it also lets you claim the input VAT back. That can be a meaningful amount over a year, so it's worth keeping the VAT visible as you go rather than reconstructing it at return time. Our guide to claiming VAT back covers exactly which receipts qualify.

This guide is general information, not tax advice. Rules and rates change — confirm the current position with SARS or a registered tax practitioner for your specific situation.