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What is a sole trader in the UK?


Last Updated: 20 May 2025
Reviewed By: Ian Wright (Managing Director)

In the UK, a sole trader is an individual who runs their own business as a self-employed person.

It is the simplest form of business structure, where the sole trader is the sole owner and is personally responsible for the business. This means that there are no legal distinctions between the owner and the business; the sole trader is entitled to all profits after tax and is personally responsible for any debts or liabilities the business incurs.

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  • Key Characteristics of a Sole Trader:
  • Advantages of Being a Sole Trader:
  • Disadvantages:
  • Responsibilities:

Key Characteristics of a Sole Trader:

  • Ownership: The business is owned and operated by a single individual. There’s no separation between the business entity and the owner.
  • Liability: The sole trader has unlimited liability, meaning that personal assets can be used to settle business debts if necessary.
  • Taxation: Sole traders must register with HM Revenue & Customs (HMRC) and are required to file a Self Assessment tax return annually. They pay Income Tax on their business profits and National Insurance contributions.
  • Decision Making: The sole trader makes all the decisions regarding the running of the business without needing to consult with partners or shareholders.
  • Simplicity and Flexibility: Setting up as a sole trader is straightforward, with fewer regulatory requirements compared to companies. This business structure offers flexibility in management and operations.

Advantages of Being a Sole Trader:

  1. Ease of Setup and Low Cost: It’s relatively easy and inexpensive to set up as a sole trader in the UK. There are fewer legal and financial requirements than for limited companies.
  2. Control: Sole traders have complete control over their business decisions and operations.
  3. Privacy: Unlike limited companies, sole traders do not need to register with Companies House or have their business records and accounts publicly available.
  4. Direct Access to Profits: Any profits made by the business after tax are owned entirely by the sole trader.

Disadvantages:

  1. Unlimited Liability: Personal assets are at risk if the business fails or incurs significant debts.
  2. Potentially Higher Tax Rates: As profits increase, sole traders may pay more in taxes compared to a limited company structure, where different tax planning options can be more advantageous.
  3. Funding and Growth Limitations: Raising capital can be more challenging for sole traders, as banks and investors may perceive them as a higher risk compared to limited companies.

Responsibilities:

  • Keeping accurate records of sales and expenses.
  • Submitting an annual Self Assessment tax return to HMRC.
  • Paying Income Tax and National Insurance contributions on profits.
  • Following any relevant regulations and licensing requirements for their type of business.

Becoming a sole trader is a popular choice for many starting a new business due to its simplicity and the direct control it offers. However, individuals should carefully consider the implications, especially the unlimited liability aspect, when deciding on the business structure that best suits their needs.

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