Sole Trader or Company: A Decision Framework for First-Time Founders
How to choose between sole trader, partnership, and company registration when you are starting your first business in Australia.
The structure question comes up in almost every first advisory session. Here is the framework we use — not as legal advice, but as a way to organise your thinking before you speak to an accountant or lawyer.
Start with liability, not tax
Most first-time founders ask about tax first. Liability is usually the more urgent question: if something goes wrong — a customer injury, a supplier dispute, a lease default — what assets are at risk?
A sole trader’s personal assets (house, car, savings) are exposed to business debts. A company creates a separate legal entity, which limits personal exposure in many — but not all — situations. Personal guarantees on leases and loans can pierce that separation.
Ask yourself: what is the worst realistic claim against my business in year one? A café faces different risks than a home-based graphic design practice.
Consider co-founders early
If you are starting with a partner — spouse, friend, or colleague — structure affects how you split profits, make decisions, and exit if the relationship sours. A partnership is simple to set up but offers no liability protection. A company with a shareholders agreement costs more upfront but provides clearer governance.
We often see founders register as sole traders and add a partner informally. That creates tax and liability complications later.
Factor in compliance cost
A proprietary limited company in Australia costs roughly $500–$600 to register, plus $300+ annually in ASIC fees. You will likely need an accountant for company tax returns, which adds $1,500–$3,000 per year depending on complexity.
If your projected profit in year one is under $60,000 and your liability exposure is low, those costs may not be justified yet. Many founders start as sole traders and convert to a company when revenue or risk justifies it.
When to choose each structure
Sole trader suits low-liability, single-founder businesses with modest revenue projections — consultants, tutors, small online shops, tradespeople with appropriate insurance.
Partnership suits two or more founders sharing profits and decisions, with low external liability and mutual trust. Get a partnership agreement regardless.
Company suits higher-liability industries, businesses seeking external investment, or founders who want clear separation between personal and business finances from day one.
The upgrade path
Choosing sole trader now does not lock you in forever. We help founders plan the trigger points for converting to a company: hiring employees, signing a major lease, taking on investors, or crossing a revenue threshold where tax structuring becomes worthwhile.
Next step
Structure decisions depend on your specific situation. Book a conversation if you would like to walk through your circumstances with an advisor.