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.
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Thinking about working for yourself in Australia? You’ll quickly come across two common terms: sole trader and contractor. They often overlap, but they’re not the same thing - and the differences can affect your tax, risk, contracts and how clients engage you.
This guide breaks down what each term means, where they overlap, how they differ, and what you need to set up properly. We’ll also cover the key legal documents and compliance obligations so you can start with confidence.
What Is A Sole Trader? What Is A Contractor?
A sole trader is a business structure. You operate the business as an individual, keep the profits, and are personally responsible for its debts and obligations. There’s no separate legal entity - it’s you trading in your own name (or under a registered business name).
- You can trade under your personal name or a business name registered with ASIC.
- Income is taxed at your personal marginal rates.
- You’re personally liable for debts and claims against the business.
- It’s quick and inexpensive to get going once you have an ABN.
A contractor is a way of working. You provide services (or deliverables) to a client under a contract, and you’re engaged for a result rather than as an ongoing employee. Contractors can operate as sole traders, companies or partnerships - many start as sole traders because it’s simple.
- You typically set your fees, issue invoices and manage your own work methods (subject to the contract).
- You’re not paid leave like an employee; instead you negotiate payment terms and scope.
- You manage your own tax obligations and insurance arrangements, and may engage subcontractors if your contract allows.
So, you can be both at once: a sole trader who works as a contractor. You can also be a contractor through a company or partnership. The key is to separate structure (sole trader vs company) from engagement type (contractor vs employee).
Sole Trader vs Contractor: The Key Differences
1) Structure vs Engagement
- Sole trader is your business structure - it determines how you’re taxed and who is liable.
- Contractor is how you’re engaged - through a contract, generally as a non-employee.
2) Liability And Risk
- Sole traders are personally liable for business debts and claims. If a dispute arises, your personal assets could be at risk.
- Contractors operating through a company may limit personal liability, but directors still have legal duties and the company must meet its obligations.
3) Tax And Superannuation
- As a sole trader, your business income is your personal income. You may need to register for GST if your annual turnover is $75,000 or more.
- Contractors usually handle their own tax planning. However, superannuation can be nuanced: in some cases, principals must pay super to contractors (for example, if the contract is wholly or principally for labour and the individual works personally). Whether super is payable depends on the arrangement.
4) Control, Tools And Method
- Sole traders choose how they run the business overall.
- Contractors generally decide how work is performed to deliver the agreed outcome, within the scope and deadlines set by the contract.
5) Who You Work For
- A sole trader can sell products to the public, deliver services, or both.
- A contractor usually provides services to other businesses or government under a contract - sometimes to multiple clients at once.
6) Perception And Growth
- Some larger clients prefer engaging a company (especially for higher-value or higher-risk projects).
- If you plan to scale, bring on co-founders or raise capital, a company structure can be a better fit long term.
How To Set Up: Step-By-Step
If you’re starting out as a sole trader who will work as a contractor, here’s a straightforward setup path.
Step 1: Clarify Services, Pricing And Clients
- Define the services you’ll offer and the outcomes clients will expect.
- Decide your pricing model (fixed fee, hourly, day rate, milestone-based).
- Outline what’s included, what’s out of scope, and what variations will cost - your contract should reflect this.
Step 2: Choose Your Structure
Many people start as sole traders because it’s fast and low-cost. Others set up a proprietary limited company for limited liability or brand positioning.
- Sole Trader: low setup, simple compliance, personal liability.
- Company: limited liability, more credibility for some clients, extra costs and reporting.
If you’re leaning towards a company, consider getting help with company set up so your registrations, constitution and records are in order from day one.
Step 3: Get Your ABN And Registrations
- Apply for an ABN so you can invoice and run your business. If you’re new to this, it helps to understand what you need to know about working under an ABN.
- Register a business name if trading under something other than your personal name.
- Register for GST if your turnover will be $75,000+ in a 12‑month period (or sooner if you choose).
Step 4: Put Your Core Contracts In Place
- Have a clear engagement contract for client work.
- Set up simple templates for proposals, statements of work and change requests.
- Prepare a process for onboarding clients and issuing invoices.
Getting these essentials right early prevents scope creep, late payments and disputes - and creates a professional client experience.
Step 5: Sort Insurance, Finance And Tools
- Consider insurance appropriate for your industry (for example, public liability, professional indemnity and cyber cover).
- Open a separate business bank account and set aside money for tax and GST.
- Choose tools for project management, e‑signing and bookkeeping.
Step 6: Plan For Compliance From Day One
- Understand when you may need to collect GST and issue tax invoices.
- Check whether superannuation could be payable in your typical contractor arrangements.
- If you will hire staff, put the right employment contracts and policies in place and follow Fair Work requirements.
What Legal Documents Will You Need?
Strong, plain‑English documents are your best risk management tools as a contractor or sole trader.
- Contractor Agreement or Service Agreement: Sets scope, deliverables, fees, IP ownership, variations, warranty limits and termination. You can use a tailored Contractor Agreement or a client‑facing Service Agreement depending on how you engage.
- Statement of Work (SOW): A short schedule that plugs into your agreement and details each project’s deliverables, milestones and payment.
- Website Terms & Conditions: If you take enquiries, bookings or sell online, have clear Website Terms and Conditions to set rules for use, liability limits and acceptable behaviour.
- Privacy Policy: Many small businesses benefit from a transparent Privacy Policy, especially if they collect personal information via a website or app. Some businesses are legally required to have one, and for many others it’s best practice (and often expected by clients and platforms).
- Non‑Disclosure Agreement (NDA): Use an NDA to protect confidential information when scoping projects or collaborating.
- Subcontractor Agreement: If you bring in other contractors, a Sub‑Contractor Agreement keeps IP, confidentiality, safety and client standards clear.
- Employment Contract: If you hire staff, issue a compliant Employment Contract and make sure your policies cover leave, conduct and safety.
- Trade Mark Protection: If you’re building a brand, consider registering it early via register your trade mark to secure your name and logo.
You may not need all of these immediately, but having the right core agreements in place from the outset will reduce risk and speed up your sales cycle.
What Laws And Obligations Should You Consider?
Running your own business in Australia means staying across a few key legal areas. Here’s what most sole traders and contractors should keep in mind.
Business Registrations
- ABN for invoicing and business dealings.
- Business name if trading under a name other than your own.
- Company registration (if you incorporate) and ASIC ongoing obligations.
Tax And GST
- Income tax applies to your profits (as a sole trader, at your personal rates).
- GST registration is required at the $75,000 turnover threshold (or you can opt in earlier).
- Keep accurate records and consider quarterly BAS if registered for GST.
It’s a good idea to work with an accountant on your tax and GST obligations so you’re setting aside the right amounts and meeting deadlines.
Superannuation For Contractors
Contractors often plan to manage their own super contributions. However, in some situations a principal must pay super to a contractor, such as where the contract is wholly or principally for the person’s labour and the work is performed personally. The correct position depends on the facts and the Superannuation Guarantee rules.
Australian Consumer Law (ACL)
If you sell to consumers or small businesses, the ACL will apply to your advertising, guarantees and refunds. Clear terms, accurate marketing and practical warranty processes are essential. If you’re unsure how the rules apply to your services, consider speaking with a consumer law specialist.
Privacy And Data
Privacy obligations depend on your business activities and size. Some small businesses must comply with the Privacy Act, and many others choose to adopt similar standards as a matter of best practice or because it’s required by clients or platforms. If you collect personal information (for example, through a contact form or newsletter), a clear Privacy Policy helps people understand how you handle their data.
Employment And Safety
If you hire employees, you must comply with the Fair Work system, including minimum pay, leave and entitlements, and you’ll need workplace safety processes. Always provide written contracts and keep accurate records.
Intellectual Property
Make sure your contract covers IP ownership - who owns the work product, and what licence (if any) the client has. Protect your brand assets through trade mark registration, and avoid using others’ protected material without permission.
Licences And Industry Rules
In certain industries (for example, building, financial services, health), licences or registrations apply. Check your state and industry requirements before you start work.
Key Takeaways
- Sole trader is a business structure, while contractor is an engagement type - you can be both at the same time.
- Sole traders are personally liable; using a company can limit liability but adds costs and compliance.
- Tax, GST and super depend on your setup and contracts; in some cases, principals must pay super to contractors where the arrangement is mainly for labour.
- Get your foundations right: ABN, registrations, and clear client documents such as a Contractor Agreement or Service Agreement.
- Have practical website and privacy protections in place, including Website Terms and Conditions and, where appropriate, a Privacy Policy.
- Stay compliant with the ACL, privacy, employment and any industry licensing rules; protect your brand with trade mark registration.
- Getting advice early makes setup smoother and reduces risk as you grow.
If you’d like a consultation on setting up as a sole trader, contractor or deciding on the best structure for your plans, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.
