Invoicing
How to Create a Professional Business Invoice in South Africa
7 min read · By the FinImali team
An invoice is more than a request for money. It's often the last thing a customer sees from you, and a clear, professional invoice makes it easier for them to pay quickly and without questions.
This guide covers what to include on an invoice, how to set payment terms, and the small habits that help South African small businesses get paid on time.
What to include on a business invoice
Every invoice should make it obvious who it's from, who it's for, what was supplied, how much is due and how to pay. A practical checklist:
- The word "Invoice" clearly at the top (or "Tax Invoice" if you're VAT-registered — see below).
- Your business name, contact details and logo if you have one.
- Your customer's name or business name and contact details.
- A unique invoice number.
- The invoice date and the payment due date.
- A description of each product or service, with quantity, unit price and line total.
- Subtotal, any VAT, and the total amount due in rand.
- Your banking details and a payment reference (usually the invoice number).
- Short payment terms and any notes, such as late-payment policy.
A note on VAT and tax invoices
If your business is registered for VAT, SARS sets specific requirements for what a tax invoice must contain, such as your VAT registration number. The requirements can differ depending on the value of the supply. Check the current SARS guidance or ask your tax practitioner to confirm your invoices meet them.
If you're not VAT-registered, don't add VAT to your invoices and don't label them as tax invoices.
How to number your invoices
Use a simple, sequential system and never reuse a number. Options include:
- Plain sequence: INV-0001, INV-0002, INV-0003
- Year prefix: 2026-001, 2026-002
Sequential numbers make it easy to spot a missing invoice and to match payments on your bank statement.
Setting clear payment terms
Payment terms tell the customer exactly when you expect to be paid. Agree them before the work starts — ideally in your quote — and repeat them on the invoice.
Common payment terms
- Due on receipt — common for once-off or smaller jobs.
- 7 or 14 days — a good default for many small businesses.
- 30 days — often expected by larger corporate customers.
- Deposit plus balance — for bigger projects, e.g. 50% upfront, 50% on completion.
Write the actual due date ("Due 20 November 2026") rather than only "30 days". It removes any doubt.
Step-by-step: creating your invoice
- Start from your accepted quote if you have one, so prices and descriptions match — see How to Create a Professional Business Quote.
- Add the customer's details exactly as they want them to appear.
- List each item clearly. "Website design — 5 pages" beats "Services rendered".
- Check the totals and VAT (if applicable).
- Add the due date, banking details and payment reference.
- Send it the same day the work is finished, as a PDF or link.
- Record the invoice so you know what's outstanding.
How to get paid faster
- Invoice immediately — every day you wait is a day added to payment.
- Send to the right person; larger companies often have a separate accounts email.
- Send a friendly reminder a few days before the due date.
- Follow up on the due date, then again a week later, politely and in writing.
- Keep a simple list of unpaid invoices and review it weekly.
Slow payments are one of the main reasons a profitable business can run short of cash. Read more in Profit vs Cash Flow: What's the Difference? and 10 Ways to Improve Small Business Cash Flow in South Africa.
Frequently asked questions
What's the difference between a quote and an invoice?
A quote is an offer that tells a customer what the work will cost before they agree. An invoice is a request for payment after the work or sale is agreed or delivered.
Can I send invoices on WhatsApp?
Many South African small businesses do. Send a PDF or link rather than a photo, and keep a record of when it was sent.
Do I need to be VAT-registered to send invoices?
No. Any business can send invoices. Only VAT-registered vendors charge VAT and issue tax invoices. Check with SARS or your tax practitioner whether registration applies to you.
This article is for general educational purposes only and is not financial, tax or legal advice. For advice on your specific situation, speak to a registered accountant, tax practitioner or other qualified professional.
Related guides
- How to Create a Professional Business Quote
- 10 Ways to Improve Small Business Cash Flow in South Africa
- Profit vs Cash Flow: What's the Difference?