- What commercial law actually is
- When you sell to customers
- When you hire staff or engage contractors
- When you protect your brand
- When you collect customer information
- When you supply on credit or take security
- When you choose a business structure
- When you probably do not need a lawyer yet
- The label matters less than the situations
You have been doing commercial law all week without calling it that. The quote you sent this morning is a contract in the making. The discount code in your email newsletter has to survive the rules on misleading advertising. The employee starting Monday brings a set of minimum entitlements with them. The enquiry form on your website collects personal information the moment someone hits submit. None of this requires you to know the law by name. But recognising which situations commercial law governs, and which of them are worth a lawyer's time, is a practical skill that saves money.
What commercial law actually is
Commercial law, sometimes called business law, is the umbrella term for the rules that govern buying and selling, hiring, marketing, borrowing and protecting a business's assets. It is not one statute you can read. It is a mix of federal legislation, state and territory law, and the common law developed by the courts:
- Federal legislation: the Competition and Consumer Act 2010 (Cth) contains the Australian Consumer Law in its Schedule 2, and it sits alongside the Corporations Act 2001 (Cth), the Privacy Act 1988 (Cth), the Fair Work Act 2009 (Cth) and a range of industry-specific Acts.
- State and territory law: retail leases, business names, occupational licensing and similar rules are set by the state or territory where you operate.
- The common law: court-made principles such as the rules on when a contract exists, which generally require an offer, acceptance, consideration and an intention to be legally bound.
Different activities trigger different bodies of law. Selling to a consumer brings the Australian Consumer Law into play. Hiring brings the Fair Work system. Collecting data brings privacy obligations. Each scenario below is a place where commercial law shows up in an ordinary business.
Enforcement sits with dedicated agencies rather than the courts alone: the ACCC for consumer law, ASIC for companies, the Office of the Australian Information Commissioner for privacy, and the Fair Work Ombudsman for employment. That matters because it means a complaint can escalate beyond a private dispute. A customer who feels misled can take the matter to the ACCC, and a regulator enquiry is a different scale of problem from a dissatisfied customer.
When you sell to customers
Any business that sells to consumers deals with the Australian Consumer Law (the ACL), which is Schedule 2 of the Competition and Consumer Act 2010 (Cth). Section 18 of the ACL prohibits misleading or deceptive conduct in trade or commerce, which is why your advertising, pricing and fine print all have to tell the same story. The ACL also gives consumers guarantees that a business cannot contract out of. Goods must be of acceptable quality, match their description and be fit for the purpose they are sold for, and services must be provided with due care and skill. Under s 64, any contract term that tries to exclude or restrict those guarantees is void. A "no refunds" sign does not override a customer's rights when goods are faulty.
The day-to-day situations this covers are pricing a sale, writing a product description, publishing a "was/now" discount and handling a return or refund request. Where a guarantee is breached, the ACL sets out the remedies available, from repair and replacement through to a refund or compensation for a major failure. Most of the time the rules are straightforward. Businesses come unstuck when they draft terms that quietly contradict the ACL, or make marketing claims that drift past accurate.
When you hire staff or engage contractors
The Fair Work Act 2009 (Cth) sets the national floor for employment. Its National Employment Standards cover the basics, including maximum weekly hours, leave entitlements and notice of termination, and s 44 makes it a civil remedy provision for an employer to contravene them. Awards and enterprise agreements then build on that floor with industry-specific rates and conditions.
One of the most common points of confusion is whether someone is an employee or a contractor. The label on the engagement letter matters less than the reality of the arrangement, and getting it wrong can mean back-pay claims or sham contracting penalties. This is a situation where a lawyer earns their fee: drafting an employment contract or contractor agreement that matches the work actually being done, and checking pay and entitlements against the right award.
When you protect your brand
Your business name, logo and product names are trade marks, and registration converts them from names you use into assets you can enforce. The Trade Marks Act 1995 (Cth) requires a Register of Trade Marks to be kept at the Trade Marks Office, and registration is administered by IP Australia. Registering early gives you a nationwide right to stop others using a confusingly similar mark. A quick search of the register before you settle on a name is far cheaper than rebranding after a year of trading under it.
Copyright is different. It arises automatically when an original work is created, which sounds convenient until a designer or developer creates your logo and website and there is no agreement about who owns it. Contracts with anyone who creates content for you should state the ownership position in writing. The situations this covers are choosing a business name, commissioning a logo, and discovering a competitor trading under a similar name.
When you collect customer information
If your website has an enquiry form, an online store or an email list, you collect personal information, and the Privacy Act 1988 (Cth) is likely to apply. Its Australian Privacy Principles require an entity to manage personal information openly and transparently and to maintain a clearly expressed and up-to-date privacy policy. Even where a business falls within one of the Act's exemptions, customers and regulators expect transparency about what you collect and why.
The common failure is a privacy policy that does not match actual practice, such as a promise that data is never shared while customer details flow into a marketing platform. The fix is usually administrative rather than legal: document what you collect, where it goes, and make the policy match.
When you supply on credit or take security
If you sell goods on retention of title terms, lease equipment, or lend money against a customer's stock or machinery, the Personal Property Securities Act 2009 (Cth) applies. Section 147 of that Act establishes the Personal Property Securities Register, and the Act's priority rules mean the timing and completeness of your registration decide who gets paid first if the customer becomes insolvent. Leave a security interest unregistered and a later registered interest, or a liquidator's sale, can take priority over you.
This is a technical area where the detail matters. A lawyer can tell you whether your arrangement creates a registrable security interest, what to register, and when to do it.
When you choose a business structure
The structure you trade through decides who is personally liable if things go wrong and what compliance obligations you carry. A company, governed by the Corporations Act 2001 (Cth), is a separate legal entity with limited liability for its owners, but it brings ASIC lodgements, director duties and record-keeping obligations. A sole trader or partnership is simpler and cheaper to run, but the owner's personal assets are exposed. Tax treatment differs as well.
This is a short, high-value conversation to have early with a lawyer or accountant, because restructuring later can be expensive. If you are taking on a co-founder or planning to raise capital, a company with a constitution and a shareholders agreement is usually the starting point.
When you probably do not need a lawyer yet
A lot of commercial law is routine, and most small businesses manage it well with standard documents and sensible habits. Selling on standard terms, hiring under a compliant contract, and keeping a privacy policy that matches your operations do not require a lawyer on call.
The time to get help is when something is bespoke, valuable or contested: a large or unusual contract, a dispute with a customer or supplier, contact from a regulator, a trade mark application, a structure change, or anything where the cost of getting it wrong exceeds the cost of advice. The same test works in reverse. A one-off sale on your standard terms, a complaint you can resolve with a refund, a question about which award rate applies, these are matters you can usually handle yourself with a clear head.
It costs nothing to check where you stand. Most firms, including Artificer Legal, offer a free initial consultation, and a five-minute conversation is usually enough to tell you whether the matter is routine or needs proper attention.
The label matters less than the situations
Commercial law in Australia is not a course you need to complete or a statute you need to read. It is the collective name for the federal and state legislation, common law rules and regulations that sit underneath everything a business does: the ACL behind every sale, the Fair Work system behind every hire, the Privacy Act behind every form, the trade mark register behind every brand, and the PPSR behind every line of credit. The practical version of knowing commercial law is recognising which situation you are in, because that tells you which rules apply and whether a short conversation with a lawyer is worth having. When you can name the situation, you know the next step.