Separate legal personality 

Corporate law begins with a single structural idea: a company, once registered, is a legal person in its own right, separate from the people who own it, run it, or work for it. Almost everything else in the subject — limited liability, directors' duties, the rights of members, capital and insolvency rules — is built on that foundation, so it is the right place to start.

Registration creates a new legal person

Under the Corporations Act 2001 (Cth), a company comes into existence on registration by the Australian Securities and Investments Commission (ASIC), with the legal capacity and powers of an individual.² From that moment the company is a distinct legal entity: it can own property, enter contracts, incur debts, sue and be sued, all in its own name and independently of the identity of its members or directors. This is not a metaphor or a convenient shorthand — it is a legal fact with concrete consequences. Property the company acquires belongs to the company, not to its shareholders, even where one person owns every share. A debt the company incurs is the company's debt, not the debt of the individuals who manage or profit from the business.

This principle was settled emphatically in English company law more than a century ago, in the House of Lords decision in Salomon v A Salomon & Co Ltd [1897] AC 22,¹ which held that a validly incorporated company is a separate person at law even where it is, in substance, a one-person business. The case is one of the most cited in the common law world, and Australian corporate law has adopted and applied the same principle ever since. A company is not simply an agent, trustee, or alter ego of the people behind it merely because those people control it completely.

Limited liability as a consequence

Limited liability is not a free-standing rule; it follows logically from separate legal personality. Because the company's debts are its own debts and not the members' debts, a member's exposure is generally limited to the amount, if any, unpaid on their shares. If the company cannot pay its creditors, those creditors ordinarily have no direct claim against the members' personal assets. This allocation of risk is deliberate: it allows capital to be pooled from many investors who are not involved in day-to-day management, each accepting a bounded, quantifiable risk rather than open-ended personal exposure to the venture's failure.

Directors, too, are generally not personally liable for the company's debts simply by virtue of managing it. Personal liability for directors arises from specific statutory or common law grounds — such as insolvent trading — not from the ordinary conduct of the company's business.

Piercing or lifting the corporate veil

Because separate legal personality is so consequential, courts and Parliament have developed limited circumstances in which the corporate veil may be pierced or lifted — that is, where the law looks past the company's separate identity to the people who stand behind it. These circumstances are narrow and exceptional, not a general discretion to disregard the company whenever fairness seems to favour it. Recognised categories include: where the company was used as a vehicle for fraud or to evade an existing legal obligation; where statute expressly imposes liability on persons associated with the company (for example, insolvent trading provisions that attach personal liability to directors in defined circumstances); and, in limited contexts, where corporate group structures are treated as economic entities for particular regulatory purposes. Mere common ownership or control of a company is not, by itself, sufficient to justify disregarding its separate personality — courts are cautious about eroding a principle on which so much commercial certainty depends.

A rare pocket of national uniformity

Corporate law is unusual among Australian legal subjects in being almost entirely nationally uniform. Where property law, criminal law and civil procedure vary meaningfully between Australian states and territories, corporate law does not: the Corporations Act 2001 (Cth) applies in the same terms across every state and territory. This uniformity rests on a referral of powers — after a constitutional gap in the Commonwealth's corporations power was exposed in the 1990s, the states referred their relevant legislative power to the Commonwealth so that a single national scheme could operate. The practical effect for a student is welcome: once you understand the separate-legal-personality principle and the statutory scheme built on it, that understanding travels across the whole country without the jurisdictional qualification that so many other subjects require.

Applying this in a problem question

1. Confirm the entity in question is a validly registered company, not an unincorporated association, partnership, or sole trader — separate legal personality depends on registration.
2. Identify whether the problem is really asking about the company's separate liability (limited liability) or about looking behind that separateness (veil piercing).
3. If veil piercing is raised, identify which recognised ground is engaged — fraud, evasion of an existing obligation, or a specific statutory provision — rather than arguing fairness alone.
4. Remember that control or single ownership of a company is not, without more, a ground for disregarding its separate personality.
5. Note that because the governing statute is Commonwealth legislation applied uniformly, no state-by-state jurisdictional analysis is usually required for this issue.