What Is a Business? Definition and Legal Implications in Australia

Thinking about turning your idea into income? Whether you’re starting a side hustle, launching an online store or planning a full-scale company, understanding what legally counts as a “business” in Australia is the first smart step. It influences how you register, which laws apply, and the contracts and policies you’ll need from day one.

In this guide, we’ll explain what “business” means under Australian law, why that definition matters, and how to set up your venture properly. We’ll also cover key laws to keep on your radar and the essential legal documents that help protect your brand and cash flow as you grow.

If you’re asking yourself “am I actually running a business?”, you’re in the right place. Let’s break it down clearly and practically, so you can move forward with confidence.

What Does ‘Business’ Mean Under Australian Law?

In plain English, a business is an ongoing activity that provides goods or services in a commercial way with a purpose of making money (or at least covering costs with the intention to be profitable).

Legally, the concept is broad. The Australian Business Register (ABR) and Australian Taxation Office (ATO) look at whether you are “carrying on an enterprise.” That is broader than just a company-it can include sole traders, partnerships, trusts and more. Indicators include having a plan to profit, a degree of repetition or system, marketing your offerings, and keeping records and accounts.

  • Commercial intent: you’re trying to make sales rather than running a one-off or purely personal hobby.
  • Regularity and system: there’s a pattern to what you do-repeat transactions, stock, scheduling, invoicing.
  • Businesslike conduct: you set prices, advertise, keep records, and engage suppliers or platforms.
  • Structure and setup: you may operate as a sole trader, partnership, company or trust and use an ABN.

If you’re unsure where you sit on the spectrum between hobby and enterprise, it helps to look at the practical indicators of what defines a business activity and how you operate day-to-day.

Two important clarifications:

  • ABN eligibility: you don’t need to be a large or “bona fide” business to get an ABN. The test is whether you’re carrying on or starting an enterprise (you can apply before you begin trading if you’re taking steps to start).
  • Consumer law coverage: the Australian Consumer Law (ACL) applies to people and entities “in trade or commerce.” That can include very small businesses and sometimes individuals making commercial sales. It’s about the nature of the activity-not just your size or label.

Why Your Business Status Matters

Knowing whether you’re operating a business-and under which structure-shapes your legal and tax obligations, and your risk profile.

  • Registrations and tax: your status will drive registrations like an ABN, tax file requirements, and whether you need to register for GST (generally required if your GST turnover meets or exceeds $75,000-$150,000 for not-for-profits).
  • Contracts and liability: as a business, you’ll be entering contracts with customers, suppliers and platforms. Your structure affects who is legally responsible if something goes wrong.
  • Consumer law: if you’re selling goods or services in trade or commerce, consumer guarantees and rules against misleading or deceptive conduct apply-regardless of your size.
  • Employment obligations: hiring staff triggers Fair Work, superannuation and workplace safety obligations.
  • Brand and IP protection: a business can register and enforce trade marks, license IP, and protect confidential information in a structured way.

From day one, thinking like a business helps you meet legal responsibilities and avoid headaches later. It also sets you up to attract customers, partners and funding with confidence.

Step-By-Step: How To Set Up A Business In Australia

1) Do Your Research and Plan

Start with a simple plan that covers your customers, pricing, competition, startup costs, suppliers, and how you’ll deliver and get paid. A practical plan not only guides your next steps; it also helps you spot legal gaps early (like licensing, data protection or staffing needs).

2) Choose a Structure

Pick the structure that fits your risk tolerance, tax position and growth plans:

  • Sole trader: quick and inexpensive. You control everything and keep profits, but you’re personally liable for debts and claims.
  • Partnership: two or more people share profits and responsibilities. Partners can be jointly and severally liable.
  • Company: a separate legal entity (registered with ASIC) that can offer limited liability protection for owners (shareholders) and more credibility with lenders and partners. If you’re leaning this way, consider a streamlined company set up so the foundation is right.
  • Trust: a trustee holds assets for beneficiaries. Useful in some tax/asset protection scenarios, but more complex to run.

There’s no one “best” structure-your stage, risk and goals matter most. You can also change structure later as you grow.

3) Get Your ABN and Business Name

Most businesses will need an ABN to invoice, register for GST (if applicable), and deal with suppliers. If you’re trading under a name that isn’t your personal name, register that business name with ASIC. It’s also worth understanding the difference between a business name vs company name so your branding and legal entity are aligned.

4) Understand Your Tax and GST Position

Keep your ATO basics in order from the start: GST registration if you reach the threshold (generally $75,000; $150,000 for not-for-profits), Pay As You Go (PAYG) withholding if you hire staff, and superannuation obligations. Good bookkeeping will save you time and penalties. If you’re unsure, speak with an accountant about what applies to you.

5) Check Industry Licences and Council Approvals

Some activities need licences or permits (e.g. food businesses, trades, childcare, health services, alcohol). Zoning and signage rules may apply if you operate from a physical location. Always check local council and state requirements before you launch.

6) Protect Your Brand and IP

Your name, logo, product designs, content and software can be valuable assets. Consider registering a trade mark for your brand and setting clear terms for how contractors or employees create and assign IP to your business.

7) Put Core Contracts and Policies In Place

Before you start trading, get your customer terms, supplier agreement, privacy settings and any partnership or founder agreements in order. These documents help you set expectations, get paid on time, and prevent disputes.

What Laws Do Australian Businesses Need To Follow?

Australian Consumer Law (ACL)

If you sell goods or services in trade or commerce, you must comply with the ACL. This includes rules against misleading or deceptive conduct and consumer guarantees for goods and services. The dollar threshold for “consumer” is generally up to $100,000, or goods/services ordinarily acquired for personal or household use. You should avoid statements that could mislead customers and ensure your refund and warranty practices are compliant with section 18 of the ACL and related consumer guarantees.

Employment and Workplace Safety

Hiring staff triggers minimum wage and conditions under the Fair Work system, award compliance where relevant, superannuation, leave entitlements, and work health and safety duties. Clear documentation helps-an Employment Contract sets expectations around duties, pay, intellectual property and confidentiality. Keep onboarding and policies consistent and compliant.

Privacy and Data Protection

The Privacy Act 1988 (Cth) applies to most Australian businesses with annual turnover of more than $3 million, and to certain small businesses regardless of turnover (for example, health service providers, businesses that trade in personal information, credit reporting bodies, contractors to the Commonwealth, and entities handling tax file number information). If the Privacy Act applies to you, you’ll need a compliant Privacy Policy, appropriate consents, and secure handling of personal information. Even if you fall within the small business exemption, adopting privacy best practice builds trust and reduces risk-especially if you collect emails, payment details or run online accounts.

Intellectual Property

Protect the value you create. Trade marks help secure your brand name and logo, copyright automatically protects original content and designs, and patents or registered designs may be relevant for inventions and product aesthetics. Use confidentiality clauses and NDAs when discussing ideas with potential partners or contractors. Also check that your branding doesn’t infringe an existing trade mark before you spend big on marketing.

Licences and Industry Rules

Depending on your sector, you may need liquor, food safety, building/trade, childcare, health or other licences and to meet industry codes. Local councils often regulate signage, noise and operating hours. Breaches can result in fines or forced closures, so factor approvals into your launch timeline.

Tax and Reporting

Stay on top of BAS and income tax lodgements, GST (if registered), PAYG withholding and superannuation payments. Keep clean records from day one-it saves time and cost. While we can help with legal setup, a registered tax professional is best placed to advise on your specific tax position.

The right documents help you manage risk, set expectations and get paid. Here are common essentials most new businesses should consider:

  • Customer Contract or Terms and Conditions: Sets out your services or products, pricing, payment terms, changes/cancellations, liability, and dispute process. For service businesses, a Goods and Services Agreement is a strong starting point.
  • Website Terms and Conditions: If you have a website or app, these are the rules for users and can limit your liability for site content and outages.
  • Privacy Policy: If the Privacy Act applies to you-or you choose to adopt best practice-your Privacy Policy explains what personal information you collect and how it’s used, stored and shared.
  • Employment or Contractor Agreements: Set expectations around pay, duties, IP ownership, confidentiality and termination for team members and contractors.
  • Non-Disclosure Agreement (NDA): Helps protect your confidential information when you speak with potential partners, contractors or investors.
  • Shareholders or Partnership Agreement: If you have co-founders or investors, a Shareholders Agreement sets out ownership, decision-making, vesting, exits and dispute processes so everyone is aligned.
  • Supplier and Distribution Agreements: Lock in key supply terms, quality standards and delivery timeframes with your vendors and distributors.
  • IP Ownership and Licensing: Make sure creative works, code, product designs and branding created by staff or contractors are properly owned by the business, and consider a trade mark to secure your brand.

Not every business will need every document on day one, but most will need several of these. Getting them tailored to your operations can prevent disputes, improve cash flow and protect your reputation.

Buying A Business Or Franchise Versus Starting From Scratch

Instead of building from the ground up, you might buy an existing business or a franchise. Each path comes with specific legal checks.

Buying an Existing Business

  • Due diligence: review financials, key contracts, IP ownership, employee liabilities, and any disputes or regulatory issues.
  • Contracts: negotiate the sale agreement (assets vs shares), warranties and indemnities, and any restraints of trade.
  • Transfers: ensure the business name, domain, licences, leases, IP and supplier/customer contracts can be transferred.

Buying a Franchise

  • Disclosure: franchisors must provide detailed disclosure documents and a copy of the franchise agreement before you sign.
  • Code compliance: the Franchising Code of Conduct sets rules around conduct, dispute resolution and cooling-off periods.
  • Commercial terms: check fees, marketing levies, territories, fit-out obligations and renewal rights carefully.

With either option, independent legal advice before you sign is essential. You’re inheriting obligations along with opportunities.

Key Takeaways

  • In Australia, a “business” is broadly about carrying on an enterprise in a commercial, repeatable way-it’s the activity that matters, not just your size or label.
  • Your structure (sole trader, partnership, company or trust) affects liability, tax and credibility. Choose the one that fits your risk and growth plans, and consider a formal company set up if you want limited liability and scalability.
  • Register an ABN, choose and register your trading name if needed, and track your GST position (generally mandatory at $75,000 turnover; $150,000 for not-for-profits).
  • Core laws to keep in mind include the ACL (misleading conduct and consumer guarantees), employment and safety duties, privacy (subject to exemptions and exceptions), IP, tax, and any industry licences.
  • Put strong contracts and policies in place-customer terms, Privacy Policy, Employment Contract, founder agreements and brand protection (including trade marks)-so you’re protected from day one.
  • Buying a business or franchise can fast-track growth, but requires careful due diligence and contract review to avoid inheriting hidden risks.

If you’d like a consultation on defining your business and setting it up legally in Australia, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.

Alex Solo

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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