Voluntary VAT registration is worth it if your customers are VAT-registered businesses, or if you have large upfront input VAT on stock and equipment. It is usually a mistake if you sell to consumers, because your 15% becomes a real price increase your competitors do not have to charge. From 1 April 2026 you need taxable supplies above R120,000 in the past 12 months to qualify.
The voluntary threshold more than doubled in Budget 2026, from R50,000 to R120,000. That shut the door on the very smallest businesses — and it makes the decision more consequential for everyone above the line, because you are now making it at a scale where the numbers actually matter.
TL;DR
Voluntary threshold from 1 April 2026: R120,000 of taxable supplies in the past 12 months (up from R50,000).
Sell to VAT vendors? Registering is usually worth it — you claim input VAT, and your VAT costs your customer nothing.
Sell to consumers? Registering usually costs you — your prices effectively rise 15% against unregistered competitors.
Big upfront spend on stock or equipment? Registering can release a large one-off input VAT refund.
Being registered is not reversible for free. Deregistering later triggers exit VAT on assets and stock.
SARS scrutinises voluntary applications: no fixed place of business, no proper accounting records or no business bank account are grounds to refuse or later cancel.
What voluntary VAT registration actually means
There are two ways into the VAT system.
Compulsory registration applies when your taxable supplies exceed R2.3 million in any consecutive 12-month period. You have no choice, and you must apply within 21 business days. We explain that test in full in our guide to the VAT registration threshold in South Africa.
Voluntary registration applies when your taxable supplies exceed R120,000 in the past 12 months but stay under R2.3 million. You may apply if you want to. Nothing forces you.
Once registered, there is no difference in how you are treated. A voluntary vendor has identical obligations to a compulsory one: charge VAT on taxable supplies, issue valid tax invoices, submit VAT201 returns on time, keep records, and survive SARS verifications.
The only question that really matters
Do your customers claim input VAT?
Everything else is a rounding error next to this.
Your customers are VAT-registered businesses
You charge R11,500 instead of R10,000. Your customer pays R11,500, then claims R1,500 back from SARS on their next VAT201. Their real cost is R10,000 — exactly what it was before.
Meanwhile, you now claim 15% back on your rent, your stock, your software, your professional fees, your equipment, your fuel and your phone bill.
You gained an input VAT recovery stream. Your customer lost nothing. Register.
Your customers are consumers or non-vendors
You charge R11,500 instead of R10,000. Your customer pays R11,500. They cannot claim anything back. Their cost went up by R1,500 — or, if you absorb it to stay competitive, your margin went down by R1,304.
Your unregistered competitor down the road still charges R10,000 and keeps all of it.
You have taken on a compliance burden and handed yourself a price disadvantage. Think very carefully before registering.
How to work out which you are
Not by counting customers — by revenue.
| Share of revenue from VAT-registered customers | Verdict |
|---|---|
| Above 70% | Register. The input VAT recovery is close to free money. |
| 30% – 70% | Run the full calculation below. Genuinely case by case. |
| Below 30% | Usually do not register unless input VAT on assets is unusually large. |
Worked example 1: The B2B consultant (register)
Ayanda runs a health and safety consultancy. Annual taxable supplies: R780,000. Clients are construction companies and manufacturers — all VAT vendors.
Annual business expenses on which input VAT is claimable:
| Expense | VAT-inclusive | Input VAT (15/115) |
|---|---|---|
| Office rent | R96,000 | R12,522 |
| Vehicle running costs, excluding fuel (fuel is zero-rated, so carries no input VAT) | R38,000 | R4,957 |
| Software and subscriptions | R42,000 | R5,478 |
| Professional fees and accounting | R36,000 | R4,696 |
| Equipment, PPE and testing gear | R55,000 | R7,174 |
| Marketing, phone, internet, sundries | R44,000 | R5,739 |
| Total | R311,000 | R40,565 |
Effect of registering:
Ayanda now invoices R897,000 including VAT. Her clients pay R897,000 and claim R117,000 back. Their real cost is unchanged at R780,000.
She pays SARS R117,000 output tax, and claims R40,565 input tax. Net to SARS: R76,435.
Her income is unchanged at R780,000, but she has recovered R40,565 of costs she previously absorbed.
Additional accounting cost for VAT: roughly R700 a month, so R8,400 a year.
Net annual benefit: about R32,165. Register.
Worked example 2: The B2C personal trainer (do not register)
Dean runs a personal training studio. Annual taxable supplies: R420,000. Every client is an individual paying out of their own pocket.
Annual claimable input VAT:
| Expense | VAT-inclusive | Input VAT |
|---|---|---|
| Studio rent | R84,000 | R10,957 |
| Equipment (amortised purchases) | R30,000 | R3,913 |
| Software, admin, marketing | R26,000 | R3,391 |
| Total | R140,000 | R18,261 |
Two scenarios if he registers:
Scenario A — he raises prices by 15%. Sessions go from R450 to R517.50. Competing studios that are not registered stay at R450. Dean is 15% more expensive for an identical service. Even modest attrition destroys the benefit: losing 8% of clients costs him R33,600 of revenue against R18,261 of input VAT recovered.
Scenario B — he absorbs the VAT. Prices stay at R450, which now includes VAT. He hands SARS R54,783 of output tax out of the same R420,000.
| Not registered | Registered, absorbing VAT | |
|---|---|---|
| Gross receipts | R420,000 | R420,000 |
| Output VAT to SARS | R0 | (R54,783) |
| Input VAT recovered | R0 | R18,261 |
| Extra accounting cost | R0 | (R8,400) |
| Net | R420,000 | R375,078 |
Cost of registering: about R44,922 a year. Do not register.
Worked example 3: The start-up with heavy setup costs (register — carefully)
Zanele is opening a small manufacturing business. In her first year she expects taxable supplies of R650,000, mostly to retailers who are VAT vendors. Before she opens, she is spending:
| Setup cost | VAT-inclusive | Input VAT |
|---|---|---|
| Production machinery | R680,000 | R88,696 |
| Fit-out and installation | R190,000 | R24,783 |
| Opening stock and raw materials | R145,000 | R18,913 |
| Total | R1,015,000 | R132,392 |
Registering releases roughly R132,392 of input VAT in her first few VAT periods — a material cash injection at exactly the moment a new manufacturer needs it.
But three warnings apply:
A first large refund attracts a SARS verification, near-automatically. Expect to be asked for every invoice. Have them filed and compliant from day one.
Her customers must genuinely be vendors. If she ends up selling direct to consumers, she inherits Dean's problem at a larger scale.
The equipment is now "in the system". If she later deregisters, that machinery attracts exit VAT at the lesser of cost or open market value. The refund is not a permanent gift.
The costs nobody puts in the brochure
Beyond the pricing question, registering has real running costs.
Compliance time and fees. VAT201s every two months (most small vendors are on Category A or B). Expect R500 to R1,500 a month in additional accounting fees for a straightforward business, more if your records are messy.
Tax invoice discipline. Every supplier invoice must be a valid tax invoice or you cannot claim the input VAT. That means chasing suppliers for compliant documents — a genuine ongoing admin load.
Cash flow risk. The VAT you collect is not your money. Businesses that spend it and then cannot fund the VAT201 payment end up with SARS penalties, interest at 10.25% per annum, and eventually a third-party appointment against their bank account.
SARS attention. Being a vendor puts you into a verification and audit population you were not in before. That is manageable with good records and painful without them.
Exit costs. Deregistering later is not free. Exit VAT applies to enterprise assets and trading stock on hand, valued at the lesser of cost or open market value — see should you deregister for VAT for the full calculation.
What actually changes the day you register
People underestimate this. Registration is not a status — it is a set of operating changes that touch invoicing, pricing, systems and cash flow from day one.
Your invoices change
Every invoice for a taxable supply must become a valid tax invoice. That means it must carry the words "tax invoice", "VAT invoice" or "invoice"; your name, address and VAT registration number; the customer's name and address (and, above R5,000, their VAT number); a serial number; the date; a description and quantity of what was supplied; and the value, the VAT charged and the total — or the total with a statement that it includes VAT at 15%.
Below R5,000 you may issue an abridged tax invoice with fewer fields. Above R5,000 the full requirements apply.
Your supplier invoices become financially important
Before registration, a supplier invoice was a record. After registration it is a claim. No valid tax invoice, no input VAT — which means an invoice missing your supplier's VAT number is now costing you 13.04% of that expense.
Building the habit of checking supplier invoices at the point of receipt, rather than at year-end, is the single biggest practical difference between vendors who recover their input VAT and vendors who quietly leave money with SARS.
You get a tax period and a filing rhythm
SARS allocates you a tax period category. Most small vendors land on a two-monthly cycle — Category A (periods ending on odd months: January, March, May, July, September, November) or Category B (even months). Larger vendors above the prescribed turnover level file monthly under Category C. Category D is for certain farming enterprises and Category E for specified vendors filing annually.
Which category you get determines your VAT201 due dates for the life of the registration, so it is worth knowing yours.
Your cash flow changes shape
The VAT you collect is not revenue. It is money you are holding for SARS. A business that treats a VAT-inclusive bank balance as available cash will eventually be unable to fund a VAT201 payment — at which point interest at 10.25% per annum starts running and, if it persists, SARS can appoint your bank as a third party and take the money directly under section 179 of the Tax Administration Act.
The businesses that handle VAT well almost all do the same simple thing: move the VAT portion into a separate account on receipt, and never look at it again until the return is due.
Your prices need a decision, not a default
If you are B2B, prices are usually quoted excluding VAT and the change is invisible. If you are B2C, you must decide whether to add 15% on top or absorb it. Drifting into the decision by simply switching the setting in your invoicing software is how margin quietly disappears.
Four mistakes that make voluntary registration go wrong
1. Registering for credibility rather than economics. "It makes us look bigger" is not worth 13.04% of consumer revenue. If a specific customer or supplier database genuinely requires a VAT number, that is a real reason. General professionalism is not.
2. Registering without a business bank account or proper books. These are not nice-to-haves — the absence of either is an explicit statutory ground for the Commissioner to cancel a voluntary registration. Get them in place first.
3. Underestimating the first refund verification. A voluntary registration that immediately claims a large input VAT refund is close to a guaranteed verification. That is not a problem if your invoices are compliant and filed. It is a serious problem if they are in a shoebox.
4. Forgetting that it is not free to reverse. Businesses sometimes register to claim input VAT on a big equipment purchase, intending to deregister afterwards. Exit VAT on that same equipment, at the lesser of cost or open market value, makes the round trip far less attractive than it looks.
What SARS requires from a voluntary applicant
SARS scrutinises voluntary registrations more heavily than compulsory ones, for obvious reasons — voluntary registration is the entry point for refund fraud.
The VAT Act lists specific grounds on which the Commissioner may cancel a voluntary registration. A vendor registered voluntarily can be deregistered if they:
have no fixed place of abode or business;
do not keep proper accounting records;
have not opened a bank account in respect of the enterprise; or
were previously registered under the VAT Act or the Sales Tax Act and failed to perform a duty under those Acts.
Read that as a checklist of what to have in place before you apply: a verifiable business address, a dedicated business bank account, and proper books.
SARS also tightened the application process from 8 December 2025:
Rejection notices now give specific reasons rather than a generic message.
Where documents are missing, incomplete, incorrect or outdated, SARS may phone you and will issue a formal letter listing what is required.
You have five business days from that letter to upload the documents, or the system automatically rejects the application.
Five business days is tight. Watch your eFiling correspondence.
What happens if your taxable supplies fall below R120,000
If you are voluntarily registered and your taxable supplies over the preceding 12 months drop below R120,000, SARS will notify you of its intention to cancel your registration.
Agree with the notice? SARS cancels from a future tax period and confirms your final tax period and last return.
Disagree? Object with an ADR1 Notice of Objection, giving written reasons, attaching a completed VAT101 registration application and all supporting documents, emailed to SARS within 80 business days of the notice date.
In both cases you keep charging VAT and submitting VAT201s until cancellation actually takes effect.
A quick decision framework
Answer these in order and stop at the first clear signal.
Is more than 70% of your revenue from VAT-registered customers? → Register.
Are you about to spend more than R500,000 including VAT on assets or stock, and will you sell mainly to vendors? → Register, and prepare for a verification.
Do you sell mainly to consumers, and do your competitors charge without VAT? → Do not register.
Will you exceed R2.3 million within 12 to 18 months anyway? → Register now, cleanly, rather than scrambling at the threshold.
Do you lack a business bank account, a fixed business address, or proper books? → Fix those first. Registering without them risks refusal or later cancellation.
Still unsure? Compare your annual claimable input VAT against 13.04% of your consumer-facing revenue. If input VAT is larger, registering probably wins.
Frequently asked questions
What is the voluntary VAT registration threshold in South Africa? R120,000 of taxable supplies in the past 12 months, from 1 April 2026. It was R50,000 from 2009 until 31 March 2026.
Can I register for VAT voluntarily with no turnover yet? Generally no under the ordinary voluntary rule, which requires taxable supplies above R120,000 in the preceding 12 months. Limited provisions exist for enterprises that have commenced but not yet made supplies, and they require specific supporting documentation. Speak to a tax practitioner rather than assuming you qualify.
Does voluntary VAT registration make my business look more credible? Sometimes, in B2B and tender contexts, where a VAT number signals scale. But credibility is a weak reason to take on a permanent 15% price disadvantage in a consumer market. If a specific customer or supplier database requires a VAT number, that is a real reason. Vague professionalism is not.
Can I claim VAT back on things I bought before I registered? In limited circumstances, yes — the VAT Act allows input tax on goods and services acquired before registration where they are still held and used for taxable supplies, subject to strict conditions and documentation. Get this reviewed rather than claiming and hoping.
How long does voluntary VAT registration take? It varies. Since December 2025 SARS gives specific rejection reasons and a five-business-day window to supply missing documents. Applications with a verifiable address, business bank account and clean records move considerably faster.
If I register voluntarily, can I deregister later? Yes, if your taxable supplies will be under R2.3 million over any consecutive 12 months. But deregistering triggers exit VAT on enterprise assets and trading stock on hand, so it is not a free reversal.
Do I have to charge VAT to every customer once registered? Yes, on every taxable supply, regardless of whether the customer is registered. You cannot charge some customers VAT and not others.
Is voluntary VAT registration worth it for a freelancer? Only if your clients are VAT-registered businesses. A freelancer invoicing agencies and corporates should generally register. A freelancer invoicing individuals should generally not.
Getting a straight answer for your business
The framework above gets most businesses to the right answer. Where it does not — the 30% to 70% band, or a business about to make a large capital investment — the decision turns on numbers only your own books can give you.
Smartbook works this out with clients as part of monthly accounting: your revenue split by customer VAT status, your actual claimable input VAT rather than an estimate, and your trajectory towards the R2.3 million compulsory threshold. If registering is right, we handle the application and the supporting document pack SARS now demands within five business days.
See our VAT registration service →
Last reviewed: 26 July 2026. Written by the Smartbook team — SAIPA and SAICA accredited, SARS registered tax practitioners. Worked examples are illustrative and use assumed figures. This is general guidance based on the VAT Act and SARS publications current at the date of review, not advice on your specific circumstances.
Primary sources: SARS — Budget 2026 Frequently Asked Questions · SARS — Register for VAT · SARS — Cancellation of VAT registration · SARS — Value-Added Tax