Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Choosing the right business structure is one of your first big decisions as a small business owner in Australia. It shapes your tax position, your personal risk, how you pay yourself, and even how customers and investors perceive you.
Two of the most common options are operating as a sole trader, or setting up a proprietary limited company (Pty Ltd). Both can work well - the best choice depends on your goals, risk profile and growth plans.
In this guide, we’ll unpack sole trader vs company in plain English, compare the pros and cons for small businesses, and share a practical way to decide what’s right for you. We’ll also flag the key legal documents you’ll need whichever path you choose.
What’s The Difference Between A Sole Trader And A Company In Australia?
At a high level, a sole trader is you trading in your own name (or a registered business name). A company is a separate legal entity you set up with the Australian Securities and Investments Commission (ASIC). That difference drives most of the practical consequences below.
Sole Trader: The Essentials
- You trade as an individual. You can register a business name, but legally it’s still you.
- You’ll need an ABN. You report business income on your personal tax return.
- You’re personally responsible for business debts and obligations.
- It’s quick and inexpensive to start, and ongoing admin is light compared to a company.
Company (Pty Ltd): The Essentials
- You create a separate legal entity that can enter contracts, hire staff and own assets in its own name.
- Directors manage the company; shareholders own it. You’ll get an ACN, and the company needs its own ABN and bank account.
- Limited liability generally protects your personal assets if the company is sued or can’t pay its debts (with important exceptions, such as personal guarantees or breaches of director duties).
- More setup and ongoing compliance, but it often looks more “established” to clients, suppliers and investors.
If you’re unsure about naming, it helps to understand the difference between a business name vs company name - they’re not the same thing, and registering a business name doesn’t create a company.
Liability, Tax And Pay: How Do They Compare?
This is where the day-to-day differences matter most. Let’s break it down into the areas small business owners ask about first.
Personal Liability And Risk
- Sole trader: You are legally on the hook for the business. If the business owes money or is sued, your personal assets can be at risk.
- Company: Liability is generally limited to the company. Your personal risk is reduced, except where you’ve given a personal guarantee, traded while insolvent, or breached director duties.
Many owners choose a company once their risk grows (bigger contracts, employees, leases, higher equipment or stock exposure) because the extra protection is worth the admin.
Tax Treatment
- Sole trader: Profits are your personal income, taxed at individual marginal rates. There’s no ability to retain profits in the business for a lower tax rate.
- Company: Profits are taxed at the company tax rate (often 25% for base rate entities). You can choose when to pay out profits (e.g. as dividends) and plan more flexibly.
Tax is just one factor, and what’s most efficient depends on your revenue, expenses and growth plans. Speak with a tax adviser for personalised numbers - the legal structure enables tax options, but it doesn’t replace tailored advice.
How You Pay Yourself
- Sole trader: You draw money from the business as the owner. It’s not a “salary” and there’s no compulsory super to yourself (though making personal super contributions can be smart).
- Company: You can pay yourself a wage (with PAYG and super) or receive dividends as a shareholder. This flexibility is useful as you scale.
Hiring Staff
Whether you’re a sole trader or a company, hiring employees means complying with Australian employment law (awards, minimum pay, super, leave and safety). Put proper contracts in place before onboarding. A tailored Employment Contract helps set clear expectations and reduces disputes.
Costs, Admin And Compliance: What Changes Between Structures?
Running a company involves more moving parts than operating as a sole trader. Here are the key differences so you know what to expect.
Setup And Ongoing Costs
- Sole trader: Low cost to start. You’ll need an ABN and may register a business name. Accounting and reporting are relatively simple.
- Company: There’s a setup fee and you’ll need governance documents like a Company Constitution. Ongoing ASIC fees and annual statements apply, and bookkeeping/reporting are more involved.
If you’re ready to incorporate, a guided Company Set Up process can save time and ensure everything is compliant from day one.
Directors, Governance And Paperwork
- Companies must have at least one director who ordinarily resides in Australia. Make sure you meet the resident director requirements before you incorporate.
- If you have co-founders or investors, use a Shareholders Agreement to set decision-making rules, founder vesting, and exit terms.
- Keep company records up to date, hold meetings as required, and notify ASIC of key changes.
Trading, Contracts And Brand Protection
- Whichever structure you choose, protect your brand and platform. If you collect personal information (most businesses do), publish a compliant Privacy Policy and follow the Privacy Act.
- Use clear customer terms, supplier agreements and disclaimers that fit your business model and risk profile.
- Register your trade marks to protect your business name and logo and avoid brand confusion.
When Should You Move From Sole Trader To Company?
Many businesses start as sole traders to test the market, then incorporate once they hit certain milestones. Here are common triggers for switching to a company.
- Risk increases: You’re signing leases, hiring staff, selling higher-value products or services, or entering longer-term contracts - limited liability becomes more important.
- Revenue grows: A company may offer tax planning benefits and a more professional presence for larger clients and suppliers.
- You’re bringing in co-founders or investors: Equity is easier to structure and protect within a company, using tools like a Shareholders Agreement and share vesting.
- You want to build an asset to sell: Companies are typically cleaner for due diligence and business sales.
If you do transition, plan it properly: update contracts, move assets, notify customers/suppliers, and set up payroll and super correctly from the outset. You’ll also want a clean set of company documents and governance so the new structure runs smoothly.
Key Legal Documents To Put In Place
The right contracts and policies help manage risk regardless of structure. Here’s a quick checklist.
For Sole Traders
- Customer Terms or Services Agreement: Sets scope, pricing, payment terms, IP ownership, and liability limits for your work.
- Supplier or Contractor Agreements: Clarifies deliverables, timelines, warranties and termination rights with your suppliers or freelancers.
- Privacy Policy: Required if you collect personal information (e.g. enquiries, bookings, orders) and a best-practice trust signal for clients.
- Website Terms & Conditions: Covers acceptable use, IP, disclaimers and limitation of liability for your website or app.
- Employment Contract: If you hire staff, you’ll need compliant contracts and workplace policies aligned with Fair Work obligations.
For Companies
- Company Constitution: Your core governance rules and director/shareholder powers (often paired with replaceable rules or tailored to your needs).
- Shareholders Agreement: Sets out ownership, decision-making, founder vesting, dispute resolution and exit pathways.
- Directors’ and Key Staff Agreements: Clear duties, confidentiality, IP assignment and post-employment restraints where appropriate.
- Customer and Supplier Contracts: Fit-for-purpose terms that match your risk, price point and sales model (online or offline).
- Privacy Policy and Data Practices: Align with the Privacy Act and Australian Consumer Law, especially if you market online or run subscriptions.
If you incorporate down the track, you can roll forward many of your sole trader contracts with novation or fresh agreements under the company’s name. Plan the transition so customers and suppliers experience a seamless change.
Key Takeaways
- A sole trader is simple and quick to start, but you carry unlimited personal liability for business debts and claims.
- A company (Pty Ltd) is a separate legal entity offering limited liability, professional credibility and more tax planning flexibility - with extra setup and ongoing compliance.
- Consider switching to a company as your risk, revenue or team grows, or if you’re taking on leases, large contracts or investors.
- Put core documents in place early: Customer Terms, Supplier Agreements, Employment Contract, Privacy Policy - and for companies, a Company Constitution and Shareholders Agreement.
- Get the foundations right when you incorporate - meet resident director requirements, keep ASIC records up to date, and align your contracts and policies with the new structure.
- The “best” structure depends on your goals. Map your risk, revenue and growth plans, then choose the option that gives you protection without unnecessary admin.
If you’d like a consultation on choosing between a sole trader and a company for your business, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.







