Sole Trader vs Limited Company 2026: Which Structure Saves You Most Tax?
Choosing between operating as a sole trader or forming a limited company is one of the most important business decisions you'll make. The right choice depends on your profit level, risk tolerance, and future plans.
Quick Comparison
| Factor | Sole Trader | Limited Company |
|---|---|---|
| Setup cost | Free | ~£50-100 |
| Annual admin | Low | Medium-High |
| Tax rates | Up to 45% + NI | 19-25% CT + dividend tax |
| Personal liability | Unlimited | Limited |
| Privacy | Private | Public accounts |
| Better for profits under | ~£30,000 | Over £30,000 |
| Accountant cost | £500-1,000/year | £1,000-3,000/year |
Tax Comparison at Different Profit Levels
£25,000 Profit
| Sole Trader | Limited Company | |
|---|---|---|
| Tax/NI/CT | £3,886 | £4,243 |
| Take-home | £21,114 | £20,757 |
| Winner | Sole Trader |
£40,000 Profit
| Sole Trader | Limited Company | |
|---|---|---|
| Tax/NI/CT | £8,032 | £7,487 |
| Take-home | £31,968 | £32,513 |
| Winner | Limited Company |
£60,000 Profit
| Sole Trader | Limited Company | |
|---|---|---|
| Tax/NI/CT | £15,232 | £12,424 |
| Take-home | £44,768 | £47,576 |
| Winner | Limited Company | |
| Annual saving | £2,808 |
£100,000 Profit
| Sole Trader | Limited Company | |
|---|---|---|
| Tax/NI/CT | £31,032 | £24,774 |
| Take-home | £68,968 | £75,226 |
| Winner | Limited Company | |
| Annual saving | £6,258 |
When to Choose Sole Trader
Advantages
- Simplicity: No Companies House filings, simpler accounts
- Lower costs: Cheaper accountant fees, no formation costs
- Privacy: Your accounts aren't public
- Flexibility: Easy to start and stop
- Drawing money: Take cash whenever you want
Best For
- Profits under £30,000
- Testing a business idea
- Low-risk businesses
- Part-time or side businesses
- Those wanting minimal admin
When to Choose Limited Company
Advantages
- Tax efficiency: Lower overall tax above ~£30,000 profit
- Limited liability: Personal assets protected
- Credibility: Some clients prefer dealing with limited companies
- Pension contributions: More tax-efficient options
- Selling the business: Easier to transfer ownership
Best For
- Profits over £30,000
- Higher-risk businesses
- Planning to grow significantly
- Want to retain profits in the company
- Working with larger clients
The Crossover Point
The exact crossover point depends on your circumstances, but generally:
- Under £25,000 profit: Sole trader usually better
- £25,000 - £35,000: Roughly equal - consider other factors
- Over £35,000: Limited company usually better
What About IR35?
If you provide services through a limited company, IR35 may apply:
- Inside IR35: Taxed similarly to employment - limited company less advantageous
- Outside IR35: Full limited company tax benefits
Check your IR35 status before incorporating if you're a contractor.
Making the Switch
Sole Trader to Limited Company
- Form the limited company
- Register for Corporation Tax
- Transfer assets/contracts to company
- Close sole trader registration (or keep for other income)
Note: There may be Capital Gains Tax on transferring goodwill.
Limited Company to Sole Trader
- Stop trading through company
- Distribute remaining assets
- Register as self-employed
- Strike off or liquidate company
Frequently Asked Questions
Can I have both a sole trader business and limited company?
Yes. Many people have a limited company for their main business and remain a sole trader for other activities.
Will I pay less tax with a limited company?
Usually, if profits exceed ~£30,000. But you must also consider:
- Higher accountant fees
- More admin time
- Less flexibility with cash
What about mortgages - is sole trader or limited company better?
Lenders often prefer sole traders as income is clearer. Limited company directors may need to show company accounts and dividends over several years.
My client requires me to be a limited company. What should I do?
If required by clients, incorporate regardless of tax position. The commercial need outweighs the tax consideration.
Related Calculators
- Self-Employed Tax Calculator - Sole trader tax
- Limited Company Calculator - Company director tax
- Corporation Tax Calculator - Company tax calculation