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Changing from Sole Trader to Company: Tax Questions to Ask First
This guide explains the practical issues behind changing from sole trader to company: tax questions to ask first. It is written for Australian readers, including business owners and families in Perth. Your own records and circumstances will determine the tax outcome, so use the steps below to prepare questions for a tailored review.
It is a transfer, not a name change
A company is a new legal entity. Moving a sole trader business into it may require transfers of assets, contracts, staff and registrations. The sole trader ABN does not become the company's ABN. Plan the effective date and communicate the new entity to suppliers and customers.
Changing structure is often prompted by growth, a new partner or larger contracts. Set out the commercial reason first, then test whether the proposed transfer makes financial sense.
Which assets are moving?
List equipment, stock, goodwill, intellectual property, vehicles and any property. Asset transfers can have income tax, CGT, GST and state duty consequences. A small business restructure roll-over may defer certain tax outcomes when its conditions are met, but it is not an automatic exemption for all taxes or assets.
An asset list should state who owns each item now and who will own it afterwards. Include goodwill and licences as well as visible equipment.
Asset transfer checklist
List everything that may move to the new entity:
- Equipment, stock and vehicles.
- Business name, goodwill and intellectual property.
- Property, leases and supplier agreements.
- Debtors, deposits and outstanding liabilities.
What happens to GST and invoices?
Review whether the new company needs GST registration and how existing deposits, invoices and contracts will be handled across the changeover. Selling a going concern may have specific GST treatment when conditions are satisfied. Make sure bank details, invoice templates and accounting records show the correct legal entity from the effective date.
Invoice cut-off dates matter. Make sure customers know which legal entity issued a quote, performed the work and must be paid. Document outstanding receivables and deposits.
Employees and super need a transition plan
Confirm which entity employs staff before and after the change. Review payroll setup, STP reporting, accrued entitlements, workers compensation and super arrangements. Since Payday Super started on 1 July 2026, ensure the new company's payment process can meet current timing rules.
Employment obligations may require more than changing a payroll setting. Obtain advice on transfers, accrued leave and contractual changes, then test the first payroll in the new entity.
How will the owner be paid?
A sole trader can draw from business funds without those drawings becoming salary. A company owner needs a proper basis for withdrawals, such as salary, dividends or documented loans. See our Division 7A guide before continuing old withdrawal habits.
When the new company opens its bank account, avoid mixing old sole trader receipts with company receipts. Clear records make later tax and GST reconciliation easier.
Cut-over tasks
Agree what happens from the change date:
- New company ABN, GST and bank details.
- Invoice and payment instructions.
- Employee payroll and super setup.
- Accounting balances and record retention.
Prepare before you register
Compare expected running costs and risk, obtain a valuation where needed and agree the transfer with your accountant and solicitor before signing documents. Zavik can help with tax effective structuring. The Australian Government changeover guide and ATO roll-over guidance explain key steps.
A staged checklist covering legal transfers, registrations, software and communication can reduce disruption. Check advice before transferring valuable assets or entering new contracts.
Check assets before incorporation
A laptop, customer list and business name may seem minor, but each can have a different owner and transfer process. Goodwill and intellectual property can carry value that is not obvious from the balance sheet. Document the current owner and proposed recipient of every material asset. This gives advisers a basis for assessing CGT and possible roll-over relief.
Registrations and legal documents
A company needs its own ACN and, where relevant, ABN, tax and GST registrations. Review business name ownership, licences, website terms, insurance and supplier agreements. Some contracts may require consent before they can be transferred. Do not assume that registering a company automatically moves an existing business into it.
Make a financial cut-over plan
Choose a date for new invoices and payroll, and reconcile work in progress, debtors, creditors and deposits at that date. Open company bank accounts and update payment instructions. Decide how sole trader liabilities will be settled and how opening company balances will be supported. A clear cut-over reduces duplicate GST reporting and missing income.
Model the owner outcome
Compare the tax and administration costs of both structures over several years, including the owner's need to withdraw funds. Factor in payroll, super, dividends and potential Division 7A issues in the company model. Add legal and accounting fees for the transfer itself. Growth can justify a change, but it should be supported by numbers and a workable operating process.
Frequently asked questions
Can I keep using my sole trader ABN?
No. The new company is a separate legal entity and needs its own registrations.
Does a restructure roll-over remove every tax cost?
No. It may defer specified income tax outcomes if conditions are met. GST, duty and other effects require separate review.
Do existing contracts automatically move to the company?
Generally not. Review each contract and obtain consent or new paperwork where needed.
What happens to employees during the change?
Review employment arrangements, accrued entitlements, payroll, STP and super before the cut-over.
Should I transfer assets before getting tax advice?
No. Prepare an asset list and assess the likely tax, GST and duty effects before signing transfer documents.
Final Thoughts
Moving from sole trader to company is a transfer between two legal entities. List the assets, contracts, employees and registrations involved before choosing a cut-over date. Tax roll-over relief may be available for some assets, but it does not automatically resolve GST, duty or other obligations. Reconcile old and new invoices and bank accounts so the transaction history remains clear. Model how the owner will be paid after the move, as company funds cannot be used like sole trader drawings. Zavik can help coordinate the tax planning and record keeping needed for a smoother transition.
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