What are the main legal structures a business can take, and how does liability differ?
The main forms of business ownership (sole trader, partnership, private limited company, public limited company, not-for-profit), the meaning of limited and unlimited liability, and the advantages and disadvantages of each.
A focused answer to AQA GCSE Business 3.1.2, covering sole traders, partnerships, private and public limited companies, not-for-profit organisations, and the meaning of limited and unlimited liability.
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What this dot point is asking
AQA wants you to describe the main legal forms a business can take, explain the difference between limited and unlimited liability, and give the advantages and disadvantages of each ownership type so you can recommend a suitable structure.
Limited and unlimited liability
This is the most important idea in the whole topic.
Liability is the single idea that drives most ownership decisions. The dividing line is incorporation: a sole trader and an ordinary partnership are unincorporated, so the owner and the business are legally the same and liability is unlimited. A private limited company (Ltd) and a public limited company (plc) are incorporated, meaning the company is a separate legal person that can own assets, owe money and be sued in its own name, so shareholders enjoy limited liability. The trade-off is that this legal protection comes with more rules: incorporated firms must register with Companies House and publish their accounts, while a sole trader keeps full privacy. AQA loves to test this by asking which structure best suits a business that is growing and taking on more financial risk, where limited liability becomes worth the extra paperwork.
Sole trader
A sole trader is a business owned and run by one person.
Partnership
A partnership has two or more owners who share the work, the decisions and the profits, usually under a deed of partnership.
Private limited company (Ltd) and public limited company (plc)
Both are incorporated, meaning they are separate legal entities and shareholders have limited liability.
Not-for-profit organisations
A not-for-profit organisation, such as a charity or social enterprise, trades to support a cause. Any surplus is reinvested into its aims rather than paid to owners. A social enterprise still aims to make a surplus, but uses it to fund a social or environmental mission rather than to reward owners.
Try this
Q1. State what is meant by limited liability. [2 marks]
- Cue. Owners can only lose the amount they invested; personal assets are protected.
Q2. Give one advantage of becoming a private limited company rather than a sole trader. [2 marks]
- Cue. Limited liability, or easier to raise finance by selling shares, with a brief reason.
Exam-style practice questions
Practice questions written in the style of AQA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
AQA 20192 marksOutline what is meant by unlimited liability. (Paper 1, Section B)Show worked answer →
A 2-mark outline question: a clear definition plus one consequence.
Unlimited liability means there is no legal separation between the owner and the business, so the owner is personally responsible for all the business's debts. The consequence is that, if the business cannot pay what it owes, the owner may have to sell personal possessions such as their car or home to settle the debts.
Markers reward the core meaning (no legal separation, owner liable for debts) and the consequence (personal assets at risk). Sole traders and most partnerships carry this risk.
AQA 20219 marksA sole trader running a growing online clothing business is considering becoming a private limited company. Justify whether becoming a private limited company would be a good decision. (Paper 1, Section C)Show worked answer →
A 9-mark justify question: recommend, apply, and weigh the downside.
In favour: incorporating gives the owner limited liability, so their personal assets are protected if the growing business runs into debt. It is also easier to raise finance by selling shares to chosen investors, which suits a business that is expanding and may need capital for stock and warehousing. Application: an online clothing business holding lots of stock carries real financial risk, making liability protection valuable.
Against: the owner must publish accounts (losing privacy), faces more paperwork and administration, and may have to share some control with new shareholders. A supported judgement might recommend incorporating because protecting personal assets outweighs the extra admin for a fast-growing, stock-heavy business. Markers reward a clear decision justified against the drawback, applied to the context.
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Sources & how we know this
- AQA GCSE Business (8132) specification — AQA (2017)