Companies Act In Australia: What Businesses Must Comply With

Thinking about registering or running a company in Australia? You’ll quickly come across references to the “Companies Act”. In Australia, that means the Corporations Act 2001 (Cth) - the national law that sets the rules for companies, directors and shareholders.

Understanding what the Corporations Act requires isn’t just a box to tick. It’s how you protect yourself, your co-founders and your business as you grow - while avoiding penalties, personal liability and unnecessary headaches.

In this guide, we’ll break down your key compliance obligations in plain English. We’ll cover when a company structure makes sense, core duties under the Corporations Act, how to execute documents correctly, and the other laws Australian companies must follow day-to-day.

What Is The “Companies Act” In Australia?

Australia doesn’t have a statute literally called the “Companies Act”. When people use that phrase, they usually mean the Corporations Act 2001 (Cth). This is the main piece of legislation that governs how companies are formed, run and wound up in Australia.

The Australian Securities and Investments Commission (ASIC) administers the Corporations Act. ASIC is the corporate regulator - it handles company registrations, keeps the public database of company details, and enforces compliance.

If you’re setting up or operating a proprietary limited company (Pty Ltd), the Corporations Act will guide everything from how you appoint directors to how you sign contracts and keep records.

Do You Need A Company, Or Can You Trade Another Way?

Not every Australian business must be a company. You can trade as a sole trader or in a partnership. However, many founders choose a company structure as they grow because it’s a separate legal entity that can protect your personal assets and enable investment.

• Sole Trader: Simple and low cost. You and the business are the same legal person, so your personal assets are exposed if things go wrong.
• Partnership: Two or more people operate together. Partners generally share profits and liabilities - including each other’s mistakes - unless you structure otherwise.
• Company (Pty Ltd): A separate legal entity. Directors manage the company; shareholders own it. This structure provides limited liability and a clearer path for growth and investment.

If you do choose a company, you’ll need to meet the Corporations Act’s baseline requirements - for example, appointing directors who satisfy resident director requirements, adopting governance rules, and keeping your ASIC details up to date.

Core Corporations Act Obligations For Australian Companies

1) Register Your Company And Maintain ASIC Records

When you form a company, ASIC issues an Australian Company Number (ACN) and a certificate of registration. Keep this information safe - you’ll use your ACN regularly in contracts and invoices.

From there, you must keep ASIC informed whenever your details change. Common updates include changes to directors, company addresses, share structure or ultimate holding company.

Missing or late ASIC updates can lead to penalties. Build a simple compliance calendar so you review your details regularly and lodge changes on time. If you ever need evidence for a bank or supplier, it also helps to know how to access your ASIC certificate of registration quickly.

2) Meet Directors’ Duties And Run The Company Properly

Directors have legal duties under the Corporations Act. In short, you must act in good faith in the best interests of the company, use care and diligence, avoid improper use of your position or information, and prevent insolvent trading.

The business judgment rule (set out in section 180(2)) recognises that reasonable, informed decisions made in good faith are protected. But it doesn’t excuse ignoring warning signs or failing to stay across the company’s financial position.

Practical tip: schedule regular board meetings, review financials each month, and document material decisions. Good governance practices support your compliance and make future due diligence much smoother.

3) Adopt Governance Rules And Execute Documents Correctly

Every company is governed by either the replaceable rules in the Corporations Act, a tailored Company Constitution, or a combination of both. Many founders choose a tailored Constitution because it can address decision-making, share classes, pre-emptive rights and board processes in a way that suits your business.

When it comes to signing contracts, the Act provides two key mechanisms:

• Company execution by officers: If documents are signed in accordance with section 127 (for example, by two directors or a sole director/secretary), counterparties can rely on a statutory assumption that the document is properly executed.
• Authority to bind the company: The company can also enter contracts through individuals with authority under section 126 (e.g. an officer or agent). Ensure delegations and signing limits are clear to avoid disputes.

Electronic signing is widely used in Australia. What matters is that your method reliably identifies the signer, shows their intention to be bound, and complies with any deed or jurisdictional requirements - whether you use e-signatures or wet‑ink signatures for particular documents.

4) Keep Proper Company Records, Minutes And Registers

Companies must keep written financial records that correctly record and explain transactions and the company’s financial position and performance. You should also maintain a share register and a minute book for directors’ and members’ meetings.

Board and shareholder meetings should be properly convened with notice, and minutes must be kept and signed within the required timeframes. Good record-keeping isn’t only a legal obligation - it also supports due diligence if you raise capital or sell the business.

Note: references you may see to a “register of charges” are outdated. Today, security interests over personal property are recorded on the national Personal Property Securities Register (PPSR). If your business takes security (for example, over equipment or customer assets), make sure you understand what the PPSR is and why PPSR registration matters.

5) Monitor Solvency And Meet Financial Reporting Tasks

All directors must continually assess solvency - that is, whether the company can pay its debts as and when they fall due. If you suspect financial difficulty, get professional advice quickly to avoid insolvent trading exposure.

Proprietary companies typically have lighter reporting obligations than public companies, but there are still annual tasks to complete. Where required, boards should pass (and record) a solvency resolution, and some companies must lodge financial reports or auditor opinions depending on their size or circumstances.

6) Manage Shareholder Relationships And Capital Changes

The Corporations Act sets processes for issuing shares, transferring shares and conducting meetings. Beyond those statutory rules, it’s wise to document how founders and investors will work together with a Shareholders Agreement. This contract covers decision‑making, vesting, exit rights and dispute resolution - and can save a lot of pain later.

Any time you propose a change to the capital structure - such as issuing new shares, undertaking a buy‑back or adopting different classes - check your Constitution and the Act’s procedures before you act. Well-managed cap table changes keep you compliant and investment‑ready.

Other Laws Your Company Must Follow Day-To-Day

Complying with the Corporations Act is essential - but it’s not the only framework that applies to your business. Depending on what you do and who you serve, you’ll also need to consider the following areas.

Australian Consumer Law (ACL)

If you sell goods or services, the Australian Consumer Law applies. It prohibits misleading or deceptive conduct, sets rules for pricing and advertising, and provides consumer guarantees and refund rights. Make sure your sales processes, website and marketing align with ACL requirements.

Employment And Workplace Safety

Hiring staff triggers obligations under the Fair Work framework, workplace health and safety laws, superannuation, payroll, and record‑keeping. Have clear Employment Contracts and policies in place, pay at least the minimum entitlements, and keep accurate time and wage records.

Privacy And Data Protection

If you collect personal information (which most businesses do), you’ll likely need a compliant Privacy Policy and processes that meet the Privacy Act requirements. There is a small business exemption for some businesses with annual turnover under $3 million, but important exceptions mean many small businesses still need to comply (for example, if you handle health information, provide services to the Commonwealth, trade in personal information, or run a credit reporting business). Treat privacy as a core trust issue regardless of size.

Also think about data minimisation, secure storage, access controls and how you’d respond to a breach. If you operate online, review cookies, analytics and marketing practices to ensure transparency and consent.

Intellectual Property

Protect your brand, product designs and content. Consider registering trade marks for your name and logo, and use strong contracts to clarify IP ownership with employees, contractors and suppliers. Clear IP ownership and licences reduce disputes and increase your business value.

Industry Licences, Permits And Local Laws

Depending on your sector, you may need industry licences (for example, financial services, labour hire or health), council permits, or to comply with retail leasing laws. Always check your specific industry requirements early so you’re not delayed at launch.

Tax And Finance Obligations

Register for an ABN and, if required, GST or PAYG withholding. Keep accurate financial records and lodge BAS and tax returns on time. Because tax settings can be complex and highly specific to your situation, it’s best to seek independent accounting or tax advice to set things up correctly from day one.

Step-By-Step: Set Up Your Company And Stay Compliant

Step 1: Choose Your Structure And Directors

Decide whether a company is the right structure for your goals and risk profile, or whether a sole trader or partnership is better for now. Confirm director eligibility and residency, including the resident director requirements for proprietary companies.

Step 2: Register With ASIC And Set Up Your Governance

Register the company and obtain your ACN. Decide whether to rely on the replaceable rules or adopt a tailored Company Constitution. Set up your registers (members/shareholders, options if any) and a minute book, and establish a filing system for resolutions and notices.

Step 3: Put Your Core Contracts And Policies In Place

• Founder And Investor Documents: Use a Shareholders Agreement to cover decision‑making, vesting, exits and dispute resolution between owners.
• Customer Terms: Clear terms of trade or a master services agreement to set out scope, fees, IP, liability and termination.
• Employment & Contractor Agreements: Ensure roles, IP ownership, confidentiality and restraints are documented.
• Privacy And Website: Publish a compliant Privacy Policy and website terms if you operate online.
• Security Interests (if relevant): If you supply goods on credit or take collateral, build a process to assess counterparties and register on the PPSR where appropriate.

Step 4: Establish A Signing Policy And Delegations

Decide who can sign what, and how. For deeds and high‑value agreements, consider execution under section 127. For day‑to‑day contracts, ensure authority under section 126 is properly delegated and documented. Keep a simple execution checklist for your team and confirm whether e‑signatures or wet‑ink are required for specific documents.

Step 5: Create A Compliance Calendar

Map out annual and ad hoc obligations: ASIC lodgements, director and shareholder meetings, tax and BAS deadlines, PPSR renewals, IP renewals, policy reviews, and (if applicable) the board’s annual solvency resolution. Assign owners and due dates so nothing slips through the cracks.

Step 6: Monitor Risk And Stay Agile

Track financial performance, watch for solvency red flags, and refresh your contracts and policies as you scale, add products or move into new markets. Good governance is an ongoing habit, not a one‑off task.

Key Takeaways

• In Australia, references to the “Companies Act” mean the Corporations Act 2001 (Cth), administered by ASIC - it sets the rules for how companies are formed and run.
• Choosing a company structure gives you a separate legal entity and limited liability, but it also brings ongoing obligations to maintain ASIC records, meet directors’ duties, and keep proper minutes and registers.
• Adopt governance that suits your business, including a tailored Company Constitution, clear delegations, and reliable document execution under section 127 or section 126.
• Keep an eye on solvency and complete annual tasks such as any required solvency resolutions and financial reporting appropriate to your company’s size.
• Beyond the Corporations Act, comply with the Australian Consumer Law, employment laws, privacy requirements (noting the small business exemption has key exceptions), tax obligations and any industry licences or permits.
• Put in place strong contracts - customer terms, Employment Contracts, a Shareholders Agreement and a Privacy Policy - to manage risk and protect your brand.
• Build a simple compliance calendar so you stay on top of ASIC lodgements, meetings, PPSR registrations, renewals and policy reviews as you grow.

If you’d like a consultation on complying with the Corporations Act and setting up your company correctly, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no‑obligations chat.