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Understanding Business Structures: Company, Sole Trader, Partnership and Trust

Learn the key differences between a company, sole trader, partnership and trust, including liability, setup costs and responsibilities.

Updated this week

Choosing a business structure affects your responsibilities, liabilities and reporting obligations. Below explains the key differences between a company, sole trader, partnership, and trust.


Company

A company is a separate legal entity. It has the same rights as a natural person and can:

  • Incur debt

  • Sue and be sued

  • Own revenue and assets independently of its owners

Key points:

  • Owners (shareholders) have limited personal liability and are generally not responsible for company debts.

  • Companies have higher set-up and administrative costs due to extra reporting requirements.

  • A company must be registered with the Australian Securities and Investments Commission (ASIC).

  • Company officers must comply with the Corporations Act.


Sole Trader

A sole trader is the simplest business structure.

Key points:

  • Inexpensive to set up with minimal legal and tax formalities.

  • Operates using a personal Tax File Number (TFN).

  • No requirement to pay yourself superannuation.

  • You may employ other people.

  • If trading under a name other than your own, you must register that name with ASIC.

Risks:

  • You are personally liable for all debts and obligations (liability is unlimited).

  • Income is taxed at the individual’s personal rate.


Partnership

A partnership is an association of people who run a business together or share income jointly.

Key points:

  • Relatively inexpensive to establish with limited reporting obligations.

  • Must register the business name with ASIC if not using each partner’s name.

  • A formal partnership agreement is common but not mandatory.

  • A partnership tax return must be lodged annually with the Australian Taxation Office (ATO).

  • Each partner pays tax on their share of net income.

Risks:

  • Partners share management and control.

  • Partners are personally liable for all debts (liability is unlimited).

  • Must register for GST if turnover is $75,000 or more.


Trust

A trust is an obligation on a trustee to hold property or assets for the benefit of others (beneficiaries).

Key points:

  • Requires a formal deed and ongoing annual administration, making it more costly to set up and operate.

  • The trustee is legally responsible for operations and profit distribution.

  • A trustee can be a company, which may offer some asset protection.

  • A trust itself does not need to be registered with ASIC. However:

    • If the trustee is a company, it must be ASIC-registered.

    • If the trust trades under a name other than its own, the name must be registered with ASIC.

Risks:

  • Trusts can be difficult to change or dissolve once created.


Further Reading

For more details, visit: ASIC — Your business structure

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