There is no conversion process. You register a new company and sell or transfer the business into it, which is a disposal of assets from you personally to a separate taxpayer. That can trigger capital gains tax on goodwill and equipment, and VAT on the transfer, unless the transaction is structured to use the section 42 asset-for-share rollover and the zero-rated going-concern rule. Everything else — bank accounts, contracts, tax numbers, licences — is new.
The tax structuring matters most where the business has real value. The administration matters most where it does not, because that is where things get forgotten.
Why "converting" is not a thing
A sole proprietor is you. The business has no separate legal existence — the assets are your assets, the contracts are your contracts, the tax is on your personal return.
A company is a separate legal person. Moving the business means one legal person disposing of assets to another. SARS treats it that way, and so does everyone else you deal with.
The practical consequence: the company starts from zero. New registration, new tax numbers, new bank account, new contracts, new supplier accounts. See sole proprietor vs (Pty) Ltd.
The tax question: what does the transfer trigger?
Capital gains tax
You are disposing of business assets — equipment, vehicles, and, importantly, goodwill.
Goodwill is where the exposure sits. A sole proprietor with a client base built over eight years may have goodwill worth a substantial amount even though it never appears in any accounts. Transferring it to a company at market value is a disposal, and the gain is taxable in your hands.
Individuals are taxed on 40% of a net capital gain at their marginal rate, after the annual exclusion. On a meaningful goodwill valuation, that is real money in a year where no cash has changed hands.
Section 42 asset-for-share rollover
This is the relief designed for exactly this transaction.
In broad terms, where you transfer business assets to a company in exchange for equity shares in that company, and you hold a qualifying interest afterwards, the disposal can be rolled over: no immediate CGT, with the company inheriting your base cost and the gain deferred until you eventually dispose of the shares.
The conditions are technical and unforgiving. The consideration must be equity shares, the qualifying-interest test must be met, market values must be properly determined, and there are anti-avoidance rules on subsequent disposals. This is not a do-it-yourself provision — get it structured before the transfer, not after.
Recoupment on equipment
Assets you have claimed wear and tear on can trigger a recoupment — the previously claimed allowances brought back into income — where they are disposed of above tax value. This is taxed at your marginal rate, not as a capital gain, and it catches people who assumed "no cash, no tax".
VAT
If you are VAT registered as a sole proprietor, the transfer is a supply.
The going-concern relief in the VAT Act allows the sale of an enterprise as a going concern to be zero-rated, but the requirements are strict and all of them must be met — broadly, both parties VAT registered at the time of transfer, a written agreement recording that the enterprise is disposed of as a going concern, the enterprise disposed of as an income-earning activity with the assets necessary to carry it on, and the price agreed as inclusive of VAT at zero percent.
Miss one requirement and the transfer is standard-rated. Get the agreement drafted properly.
The one you cannot fix: your assessed loss
An assessed loss in your personal name does not transfer to the company.
If you have been building up losses as a sole proprietor and expect the business to turn profitable, incorporating means the company starts with a clean slate — and your personal loss stays stranded in your own return, usable only against your own future income.
The timing implication: if you are close to profitability and sitting on a meaningful assessed loss, incorporating immediately may cost you the benefit of it. This is worth modelling before you decide.
The administrative checklist
Every item here is separate. Nothing carries across automatically.
Register the company — name reservation, incorporation, MOI, and beneficial ownership filing within the required period.
Tax registrations:
Company income tax number (generally issued automatically on incorporation)
Appoint the registered representative at SARS — do this early, before anything else needs to go through eFiling. See what is a SARS registered representative
VAT — the company must register in its own right if it meets the threshold or registers voluntarily. Your personal VAT number does not move
PAYE, UIF and SDL if you have employees
Deregister the sole proprietor VAT and PAYE numbers once the transfer is complete, not before
Banking — a new business account in the company's name. Do not run company income through a personal account.
Contracts and customers — customer agreements, supplier accounts, leases, insurance and any licences must be ceded or renewed in the company's name. Some require the counterparty's consent, so start early. Landlords and insurers are the usual bottleneck.
Employees — transferring staff to a new employer engages the Labour Relations Act. Where a business is transferred as a going concern, employees generally transfer on terms no less favourable, and the process has requirements. Take advice rather than issuing new contracts and hoping.
Registrations tied to the entity — CSD, CIDB, COIDA, B-BBEE affidavit, industry licences. All must be redone in the company's name, and none of them are quick.
Debtors and creditors — decide explicitly whether existing debtors transfer to the company or stay with you personally to collect. Ambiguity here causes real disputes with SARS about who earned what.
A sensible sequence
| Step | Why in this order |
|---|---|
| 1. Model the numbers | Confirm the company is actually better after tax, and check the assessed loss position |
| 2. Value the business | You need this before you can structure the transfer |
| 3. Structure the transfer | Section 42 and the going-concern agreement have to be decided before the transfer, not after |
| 4. Register the company | Incorporation, MOI, beneficial ownership |
| 5. Tax registrations | Registered representative first, then VAT and payroll |
| 6. Bank account | Needed before you can invoice from the company |
| 7. Transfer effective date | Pick a clean date, ideally a month or tax year end |
| 8. Move contracts and registrations | The long tail — start it early, finish it after |
| 9. Wind down the sole proprietor | Final return, deregister VAT and PAYE |
Choose a clean effective date. Mid-month transfers create two sets of part-period records, two VAT apportionments and a reconciliation nobody enjoys.
When incorporating is not worth it
Below roughly the break-even profit level, the company's compliance cost — annual returns, financial statements, provisional tax twice a year, payroll — can exceed the tax saving.
Where you have a large personal assessed loss you would forfeit the use of.
Where the transfer itself triggers meaningful CGT that cannot be sheltered by section 42.
Where the business is genuinely you — no assets, no staff, no contracts to protect — and the limited liability argument does not really apply.
The reasons to incorporate that hold up are limited liability, credibility with corporate customers, the ability to bring in shareholders, and the tax position at higher profit levels. "Everyone says you should" is not one of them.
Frequently asked questions
How do I convert a sole proprietor to a Pty Ltd in South Africa? You cannot convert one. You register a new company and transfer the business to it, which is a disposal of assets from you to a separate legal person. The transfer may trigger capital gains tax, recoupments and VAT unless structured using the section 42 asset-for-share rollover and the zero-rated going-concern rule.
Does moving my business into a company trigger tax? It can. Transferring business assets including goodwill is a disposal for capital gains tax, equipment can trigger a recoupment of wear and tear previously claimed, and a VAT-registered sole proprietor makes a taxable supply unless the going-concern requirements are met.
What is a section 42 asset-for-share transaction? A rollover provision allowing business assets to be transferred to a company in exchange for equity shares without an immediate capital gains tax charge, with the company inheriting the base cost. The conditions are technical and must be met at the time of the transfer.
Does my assessed loss transfer to the new company? No. An assessed loss in your personal name stays with you and can only be used against your own future income. The company starts with a clean slate, which is worth modelling if you are close to profitability.
Do I need a new VAT number for the company? Yes. VAT registration is entity-specific. The company must register in its own right if it meets the compulsory threshold or chooses to register voluntarily, and the sole proprietor registration is deregistered once the transfer is complete.
What happens to my employees when I incorporate? Transferring employees to a new employer engages the Labour Relations Act. Where a business transfers as a going concern, employees generally transfer to the new employer on terms no less favourable. Take advice before issuing new contracts.
When should I incorporate? When the after-tax position justifies the additional compliance cost, when limited liability genuinely matters, or when corporate customers require a company. Not simply because profits went up in one good year.
Get the structuring done before the transfer
The administration is a checklist and it can be worked through. The tax cannot be fixed retrospectively — section 42 and the going-concern relief both have to be in place at the time of the transaction.
Smartbook models the sole proprietor versus company position on your actual numbers, handles the incorporation and tax registrations, and works with your attorney on the transfer agreement.
Last reviewed: 27 July 2026. Written by the Smartbook team — SAIPA and SAICA accredited, SARS registered tax practitioners. Section 42 asset-for-share transactions, VAT going-concern treatment and the transfer of employees are technical areas — this is a general overview and each transaction must be structured on its own facts with professional advice.
Primary sources: SARS · Income Tax Act 58 of 1962 · Value-Added Tax Act 89 of 1991 · CIPC · Labour Relations Act 66 of 1995