Sole Trader vs Limited Company: Which Is Right for You in 2026?
It's one of the first decisions most self-employed people face, and one that's easy to get wrong by defaulting to whichever structure a friend used. The right answer depends on income level,...
It's one of the first decisions most self-employed people face, and one that's easy to get wrong by defaulting to whichever structure a friend used. The right answer depends on income level, liability exposure, and how much admin you're willing to take on.
Sole trader: simple, but exposed
As a sole trader, you and the business are legally the same entity. Setup is minimal — you register with HMRC for Self Assessment, and that's largely it. You keep all profits after tax, but you're also personally liable for business debts, meaning personal assets are at risk if the business gets into financial trouble.
Tax is paid through Self Assessment: Income Tax on profits above your Personal Allowance, plus Class 2 and Class 4 National Insurance. There's no separate corporation tax filing, and no need to file accounts with Companies House.
Limited company: more protection, more admin
A limited company is a separate legal entity from you. This gives you limited liability — your personal assets are generally protected if the business fails, beyond what you've invested. But it comes with materially more administration: you must register with Companies House, file annual accounts and a confirmation statement, and the company pays Corporation Tax on its profits separately from any tax you pay personally on money you draw out.
Director pay typically combines a small salary (often set at the National Insurance threshold to avoid unnecessary NI while still qualifying for state pension credits) with dividends, which are taxed differently from salary and often more favourably at higher income levels — though the gap has narrowed in recent years as dividend tax allowances have shrunk.
When each tends to make sense
Sole trader status tends to suit people testing a business idea, earning modest profits, or wanting to keep admin to a minimum. Limited company status tends to make more sense once profits are consistently high enough that the tax efficiency of salary-plus-dividends outweighs the extra accounting cost, or when liability protection matters because of contract risk, client requirements, or the nature of the work.
There's no fixed profit threshold where switching automatically becomes worthwhile — it depends on your circumstances, and it's genuinely worth running the numbers with an accountant rather than assuming a rule of thumb applies to you.
Checklist: deciding between the two
- Estimate your annual profit — the tax comparison changes materially at different income levels
- Assess your liability exposure — does your work carry meaningful risk of being sued or incurring large debts?
- Check client or contract requirements — some clients, especially larger ones, only contract with limited companies
- Factor in accounting costs — a limited company typically costs more per year in accountancy fees due to Companies House filings and Corporation Tax returns
- Consider how you'll draw money out — salary and dividends from a limited company are taxed differently from sole trader profits
- Think about future plans — if you intend to bring in investors or sell the business, a limited company is usually necessary
- Remember you can convert later — many people start as sole traders and incorporate once profits justify it, rather than starting with a limited company from day one
International comparison
The US equivalent decision is choosing between a sole proprietorship and an LLC — the LLC offering similar liability protection to a UK limited company, with "pass-through" taxation as the default rather than the UK's separate Corporation Tax regime. Australia offers a similar choice between operating as a sole trader (with an ABN) or forming a proprietary limited (Pty Ltd) company, with broadly comparable liability and tax trade-offs to the UK system.
Key Numbers
- 19–25% — UK Corporation Tax rate band depending on profit level (main rate 25% above £250,000 profit, small profits rate 19% below £50,000, with marginal relief between)
- £12,570 — standard Personal Allowance most sole traders and directors can draw before Income Tax applies (subject to individual circumstances)
- 2 — separate tax filings a limited company requires each year (Corporation Tax return and personal Self Assessment for the director), versus one for a sole trader
Sources
- GOV.UK: Set up a limited company
- GOV.UK: Set up as a sole trader
- GOV.UK: Corporation Tax rates
- Which?: Sole trader vs limited company
Educational content only — not financial advice.