VAT Registration in South Africa: A Plain-Language Guide for Small Businesses

VAT registration is one of those milestones that signals your business is growing — but it brings new obligations that can catch small business owners off guard. This guide explains what you need to know in plain English, without the jargon.

What is VAT?

VAT (Value Added Tax) is a consumption tax charged on most goods and services in South Africa. The standard rate is 15%. When your business is VAT-registered, you collect VAT from your customers on behalf of SARS and pay it over, minus the VAT you've paid on your own business purchases.

When must you register for VAT?

You are legally required to register for VAT when your taxable turnover exceeds R1 million in any consecutive 12-month period. This is the mandatory threshold. Missing this deadline results in penalties and back-payments from SARS.

You can also voluntarily register for VAT if your turnover has exceeded R50 000 in the past 12 months. Voluntary registration often makes sense if most of your clients are VAT-registered businesses — you can reclaim input VAT and appear more credible to corporate clients.

What counts as taxable turnover?

Taxable turnover includes all sales of goods and services that are either standard-rated (15%) or zero-rated (0%). It does not include exempt supplies such as certain financial services or residential property rental. If you're unsure whether your income qualifies, speak to an accountant before making the decision.

How to register for VAT

You can register through the SARS eFiling portal. You'll need:

• Your SARS income tax registration number
• Company registration documents (if applicable)
• Your bank account details
• Three months of bank statements showing turnover
• Proof of address for your business premises

SARS will process your application and issue a VAT registration number, usually within 10–21 business days. You cannot charge VAT or issue tax invoices until you have this number.

What changes once you're registered?

Your pricing

You must now either absorb VAT into your existing prices or add 15% on top. Most businesses add VAT on top, which means your prices effectively go up for unregistered customers. For business-to-business clients who are themselves VAT-registered, this is neutral — they claim the VAT back. For consumers or small businesses that aren't registered, your services become 15% more expensive overnight. Think carefully about how this affects your market positioning.

Tax invoices

Every invoice you issue to a VAT-registered customer must now be a tax invoice containing specific information: your VAT registration number, the customer's VAT number (if applicable), the VAT amount shown separately, and the total including VAT. Invoices without this information cannot be used by your clients to claim input tax — which will frustrate them.

VAT returns

You'll file VAT returns every two months (bi-monthly) or monthly if your turnover exceeds R30 million. The return calculates the difference between output VAT (what you collected) and input VAT (what you paid). If you collected more than you paid, you owe SARS. If you paid more than you collected — common in months with large supplier invoices — SARS owes you a refund.

Common mistakes South African small businesses make with VAT

Not opening a separate VAT savings account

The VAT you collect isn't your money — it belongs to SARS. Many business owners spend it and then struggle to pay their VAT return. Open a separate savings account, move 15% of every invoice payment into it as soon as it arrives, and never touch it.

Missing the registration deadline

SARS has access to your bank statements through various mechanisms. They will notice if you've been trading above R1 million without registering. The penalties for late registration are significant and can include back-payments of VAT you never collected.

Claiming input VAT without valid tax invoices

You can only claim back VAT on purchases if you have a valid tax invoice from your supplier. Receipts and statements are not sufficient. Keep all supplier tax invoices organised — ideally digitally — so you never miss a legitimate claim.

Not separating VAT-inclusive and VAT-exclusive amounts

Your invoices must clearly show the VAT-exclusive amount, the VAT amount at 15%, and the VAT-inclusive total. If you quote or invoice only a single total, you're either non-compliant or losing out on correct VAT accounting.

Should you register voluntarily?

Voluntary registration makes sense if:

• Most of your clients are VAT-registered businesses that can claim back the VAT
• You spend significantly on business inputs (equipment, software, subcontractors) and want to reclaim that VAT
• Being VAT-registered signals credibility and scale to corporate clients

It's generally not worth it if your clients are individual consumers or small businesses who aren't registered — the price increase will affect your competitiveness.

How MyGenesis helps with VAT compliance

MyGenesis generates fully SARS-compliant tax invoices automatically — including VAT number fields, separate VAT line items, and correct totals. When you're VAT-registered, your invoices are ready from day one. No manual calculations, no formatting issues.

If you're approaching R1 million turnover and want your invoicing, CRM and project management in one place — get in touch.