Sole Trader vs Limited Company: Which Is Better in the UK?

Quick answer: Sole trader vs limited company depends on profit, risk and admin appetite. Sole traders pay income tax and Class 4 National Insurance on all profit, with simple admin. A limited company pays corporation tax at 19% to 25%, then owners draw salary and dividends. After the April 2026 dividend tax rise, the tax saving at modest profits is small or gone.

Choosing a business structure is one of the first decisions UK freelancers and small business owners make, and one of the most debated. For years, the standard advice was to incorporate once profits reached a certain level, because a small salary plus dividends beat paying income tax and National Insurance as a sole trader. Successive changes to corporation tax, National Insurance and dividend tax have eroded that advantage, and the 2026/27 dividend rates eroded it again.

This guide compares the two structures on tax, liability, admin, credibility and invoicing, with a worked example using 2026/27 rates. It is written for England, Wales and Northern Ireland income tax bands; Scotland sets different income tax rates on non-savings, non-dividend income.

This is general information based on GOV.UK rates checked in October 2026, not tax advice. Your result depends on your profit, other income, pension plans and circumstances. Speak to an accountant before changing structure.

Sole trader vs limited company at a glance

Area	Sole trader	Limited company
Legal status	You and the business are the same person	Separate legal entity owned by shareholders
Liability	Unlimited personal liability	Generally limited to investment or guarantees
Setting up	Register for Self Assessment with HMRC	Incorporate at Companies House, then register for Corporation Tax
Tax on profit	Income tax at 20%, 40% or 45% above the personal allowance	Corporation tax: 19% up to £50,000, 25% above £250,000, marginal relief between
National Insurance	Class 4: 6% from £12,570 to £50,270, 2% above	On salary only: employer 15% above £5,000 a year; employee 8% above £12,570
Taking money out	Drawings, no extra tax	Salary through PAYE and dividends (10.75%, 35.75% or 39.35% above a £500 allowance)
Annual filings	Self Assessment return	Accounts, confirmation statement, Company Tax Return, payroll, usually directors' Self Assessment
Privacy	Accounts are private	Accounts and director details on the public register
Typical running cost	Low	Higher, mostly accountancy and payroll

The 2026/27 rates that matter

These figures come from GOV.UK pages on tax on dividends, Corporation Tax rates and National Insurance rates and allowances.

Income tax

The personal allowance is £12,570. Income in the basic rate band, up to £50,270, is taxed at 20%; the higher rate is 40% and the additional rate 45%. The personal allowance is reduced for income over £100,000.

National Insurance

• Sole traders, Class 4: 6% on profits between £12,570 and £50,270, and 2% above.
• Class 2: no longer compulsory. Profits above the small profits threshold of £7,105 earn credits automatically; below it, voluntary contributions are £3.65 a week.
• Employees, Class 1: 8% between the primary threshold (£242 a week) and the upper earnings limit (£967 a week), 2% above.
• Employers: 15% above the secondary threshold of £96 a week, about £5,000 a year. The Employment Allowance, up to £10,500, generally cannot be claimed by a company whose only employee paid above that threshold is a director.

Corporation tax and dividends

Companies pay 19% on profits up to £50,000 and 25% above £250,000, with marginal relief in between. Dividends are paid from post-tax profit. The first £500 is covered by the dividend allowance; the rest is taxed at 10.75% (basic rate), 35.75% (higher rate) or 39.35% (additional rate). The basic and higher rates both rose by two percentage points from 6 April 2026.

Worked example: £60,000 of profit

Illustrative only. It assumes no other income, England tax bands, no pension contributions, all post-tax company profit paid as dividends, and no Employment Allowance (a one-director company).

As a sole trader

• Income tax, basic rate: (£50,270 - £12,570) = £37,700 x 20% = £7,540.00
• Income tax, higher rate: (£60,000 - £50,270) = £9,730 x 40% = £3,892.00
• Class 4 NI at 6%: £37,700 x 6% = £2,262.00
• Class 4 NI at 2%: £9,730 x 2% = £194.60
• Total tax and NI: £7,540 + £3,892 + £2,262 + £194.60 = £13,888.60
• Take-home: £60,000 - £13,888.60 = £46,111.40

As a limited company

• Director's salary: £12,570 (no income tax and no employee NI at this level)
• Employer NI: (£12,570 - £5,000) x 15% = £1,135.50
• Company profit after salary and employer NI: £60,000 - £12,570 - £1,135.50 = £46,294.50
• Corporation tax at 19%: £46,294.50 x 19% = £8,795.96
• Available for dividends: £46,294.50 - £8,795.96 = £37,498.54
• Dividend tax: (£37,498.54 - £500 allowance) = £36,998.54 x 10.75% = £3,977.34 (all within the basic rate band, because £12,570 + £37,498.54 = £50,068.54)
• Take-home: £12,570 + £37,498.54 - £3,977.34 = £46,091.20

What the numbers show

The difference is £46,111.40 - £46,091.20 = £20.20 in the sole trader's favour, before the company's extra accountancy and filing costs. In this example, at this profit, incorporating saves nothing on tax. A different salary level, a pension contribution through the company, retaining profit in the company or a much higher profit would change the result, which is why an accountant's model with your own figures matters more than any rule of thumb.

Beyond tax: liability, credibility and flexibility

Limited liability

A company's debts belong to the company, so your house and savings are generally protected if the business fails. This matters more in businesses with large contracts, stock, staff or leases. It matters less for a low-risk service business with professional indemnity insurance, and lenders and landlords often ask directors for personal guarantees anyway.

Credibility and client requirements

Some larger clients and agencies prefer, or require, suppliers to work through a limited company. Contractors working through their own company for a single client should also consider the off-payroll working rules, known as IR35, which can treat the engagement like employment for tax purposes.

Retaining profit

A company can keep profit in the business after corporation tax and pay it out in a later year, for example when your other income is lower. A sole trader is taxed on all profit in the year it is made, whether or not it is withdrawn.

Privacy and admin

Company accounts and directors' details are public on the Companies House register. Company money belongs to the company, so withdrawals must be salary, dividends, expenses or a properly recorded director's loan.

Admin and Making Tax Digital

Sole traders file one Self Assessment tax return a year, but Making Tax Digital for Income Tax is changing that. From April 2026 it applies to sole traders and landlords with qualifying income over £50,000, and from April 2027 to those over £30,000, requiring digital records and quarterly updates. Our guide to Making Tax Digital for Income Tax covers what it involves. Limited companies are outside MTD for Income Tax but have their own filing duties. Both structures register for VAT once taxable turnover passes the VAT registration threshold, and then follow the same VAT return process covered in how to file a VAT return.

Switching from sole trader to limited company

The sole trader vs limited company choice is not permanent. Many owners start as sole traders and incorporate later. The usual steps are to register the company at Companies House, register it for Corporation Tax and PAYE, open a business bank account in the company's name, move contracts and client accounts across, and tell HMRC you have stopped self-employment. Transferring equipment or goodwill can trigger tax, so agree the details with an accountant first. From day one, keep company and personal money apart; our bookkeeping basics guide covers the habits, and a director's salary should come with a proper payslip, as shown in our salary slip format guide.

Checklist: choosing your structure

1. Estimate realistic annual profit for this year and next.
2. Note other income, such as employment or rental income, which affects your tax bands.
3. Get an accountant to model sole trader vs limited company with your figures, including pension options.
4. Add the cost of accountancy, payroll and Companies House filings to the company column.
5. Consider liability: contracts, staff, stock, leases and insurance.
6. Check whether key clients require a limited company and whether IR35 could apply.
7. Decide whether you want to retain profit in the business.
8. Review the decision each tax year as rates and profits change.

Common mistakes

• Relying on old advice. Comparisons from before April 2026 used lower dividend rates and overstate the company advantage.
• Ignoring running costs. A small tax saving can disappear into accountancy fees.
• Treating company money as personal. Unrecorded withdrawals become director's loans with their own tax rules.
• Assuming Employment Allowance applies to a one-director company where it generally does not.
• Forgetting Scotland's different income tax bands when using an example built on England rates.
• Not updating invoices after incorporating. Invoices must show the right legal entity from the switch date.

Invoicing as a sole trader or a company

Sole traders invoice in their own name or a trading name, with a business address; our guide to the sole trader invoice in the UK lists what to include. A limited company's invoices should show its registered name exactly, and company law also requires its registered number, place of registration and registered office address on business documents. VAT-registered businesses add their VAT number and VAT details. You can create either type of invoice in pounds with the free UK invoice generator, which builds the PDF in your browser. It does not file returns, run payroll or submit anything to HMRC.

If you are comparing structures on behalf of a US business instead, our S corp vs LLC guide covers the American equivalent decision.

Verdict

In 2026/27, the sole trader vs limited company decision is less about tax than it used to be. At modest profits the tax difference can be negligible, so simplicity often wins. A limited company makes more sense when profits are higher, when you want to retain earnings, when liability protection matters or when clients require it. Get a personalised model before you incorporate, and revisit it whenever rates change.