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Sole Trader vs Limited Company - UK Business Structure Guide

Compare tax, liability, admin, costs, and decide which structure fits your business.

Key factors to consider:

Tax efficiency

Personal liability

Admin burden

Credibility & funding

Sole Trader vs Limited Company: The Complete Comparison

Choosing between a sole trader and limited company structure is one of the most important decisions you will make when starting or growing your business. Each has distinct advantages and disadvantages depending on your circumstances.

This guide compares sole trader and limited company structures across all key factors to help you decide which is right for your UK business.

FactorSole TraderLimited Company
Legal structureIndividual trading in own nameSeparate legal entity
LiabilityUnlimited personal liabilityLimited liability (shareholders)
Setup costFree (HMRC registration)£12+ (Companies House)
Tax typeIncome Tax + National InsuranceCorporation Tax + dividend tax
Admin requirementsSelf Assessment tax return onlyAnnual accounts, confirmation statement, corporation tax return
Public recordNot listed publiclyDirectors and accounts on Companies House
Raising investmentHarder (lenders prefer companies)Easier (equity and debt options)
Profit extractionDrawings (all profits belong to you)Salary + dividends
Pension contributionsLimited tax reliefCompany can contribute pre-tax
Business bank accountRecommended but not requiredLegally required
Closing the businessSimple (stop trading, inform HMRC)Formal dissolution process

When to Choose Sole Trader

A sole trader structure may be right for you if:

  • You are starting out - Low risk, low cost, and easy to set up. Perfect for testing a business idea.
  • Your profits are under £50,000 - At this level, sole trader tax is usually more straightforward.
  • You want minimal admin - No Companies House filings, no annual accounts, just a Self Assessment each year.
  • You value privacy - Sole trader details are not publicly listed on Companies House.
  • Your business has low liability risk - If your work carries minimal risk of disputes or claims.

When to Choose Limited Company

A limited company structure may be right for you if:

  • Your profits exceed £50,000 - Corporation Tax rates (19-25%) may be lower than higher-rate Income Tax (40-45%).
  • You want limited liability - Protect your personal assets if the business runs into financial difficulty.
  • You plan to seek investment - Investors and some lenders prefer to work with limited companies.
  • You want tax planning options - Dividend payments, pension contributions, and expense planning are more flexible.
  • Credibility matters - Some clients and contracts require or prefer working with limited companies.

Tax Comparison: Sole Trader vs Limited Company

Tax treatment is often the deciding factor when choosing between sole trader and limited company structures. Here is how they compare:

Sole Trader Tax

  • Income Tax on profits: 0% (£12,570 allowance), 20% (basic rate), 40% (higher rate), 45% (additional rate)
  • Class 2 National Insurance: £3.45 per week (if profits over £6,725)
  • Class 4 National Insurance: 9% on profits £12,570-£50,270, 2% above £50,270
  • Total tax on £60,000 profit (2024/25): approximately £14,700 combined Income Tax and NI

Limited Company Tax

  • Corporation Tax on profits: 19% (under £50,000), 19-25% (taper), 25% (over £250,000)
  • Dividend tax on shareholder distributions: 0% (allowance), 8.75% (basic), 33.75% (higher), 39.35% (additional)
  • Salary: taxed via PAYE with employer NI of 13.8%
  • Total tax on £60,000 profit (2024/25): approximately £11,400-£13,000 depending on extraction strategy

At around £50,000-£60,000 profit, a limited company often becomes more tax efficient, but you should always consult a qualified accountant for advice specific to your situation. For more information on business funding for both structures, see our sole trader loans or limited company loans pages.

Can You Switch From Sole Trader to Limited Company?

Yes. Many businesses start as sole traders and transition to a limited company as they grow. The process involves:

  • Registering a new limited company with Companies House
  • Informing HMRC that your sole trader Self Assessment is closing
  • Registering the new company for Corporation Tax
  • Setting up a business bank account in the company name
  • Notifying clients and suppliers of your new legal structure

Speak with an accountant before switching, as there may be tax implications including capital gains on business assets transferred to the new company.

Funding Options for Both Structures

Both sole traders and limited companies can access business funding. At SimplyFunded, we provide loans for both structures, assessing applications based on business performance rather than legal structure.

  • Sole traders - Can access sole trader business loans from £5,000.00 to £500,000.00.
  • Limited companies - Can access limited company loans with the same funding range.

Frequently Asked Questions

The main difference is legal structure. A sole trader is self-employed and personally liable for business debts, with no separation between personal and business finances. A limited company is a separate legal entity, meaning the company owns assets and debts, and shareholders have limited liability. Limited companies also have different tax obligations and more administrative requirements.

Need Business Funding?

Whether you are a sole trader or limited company, apply today for a decision within hours.

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Helpful links

What is a sole trader?Register as a sole traderSole trader bank accountSole trader loansLimited company loansBusiness loans

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