Sole Trader vs Limited Company: Which Is Right for You?
It’s one of the first real decisions you make in business, and one people agonise over more than they need to: should you be a sole trader or set up a limited company? There’s no single right answer, only the one that fits your situation. Here’s what actually separates the two, so you can decide with a clear head.
The quick difference
As a sole trader, you and the business are the same thing in the eyes of the law. You keep the profits, you’re responsible for the debts, and you pay income tax and National Insurance on your profits through Self Assessment.
A limited company is a separate legal entity that you own and run. The company makes the profits, pays its own tax, and is responsible for its own debts. You take money out as a mix of salary and dividends, and there’s more admin involved in exchange for some real advantages.
Liability: whose money is on the line
This is the difference that matters most and gets thought about least.
As a sole trader, there’s no legal line between you and the business. If it runs up debts it can’t pay, those are your debts, and in the worst case your personal assets are exposed.
A limited company gives you “limited liability”: the company’s debts are generally the company’s, not yours, so your personal finances are protected if things go wrong (barring personal guarantees or wrongdoing). For a low-risk one-person service business, that may never matter. For anyone taking on stock, premises, staff or significant contracts, it can matter a great deal. This isn’t a ‘get out of jail free card’ though - if you run up debts but can’t prove that you have been careful and fair about how you have run your business, then you can end up personally responsible for the debts still.
Tax: it depends on how much you make
Sole traders pay income tax and Class 4 National Insurance on their profits at the usual personal rates.
A limited company pays Corporation Tax on its profits, currently 19% on profits up to £50,000 and 25% above £250,000, with a tapered rate in between. You then pay personal tax on what you take out as salary and dividends.
The headline most people have heard is that a company can be more tax-efficient. At higher profit levels, taken out carefully, it often is. At lower profits, the saving can be small or non-existent once you account for the extra costs and admin. In practical terms, this means there’s usually a profit level at which incorporating starts to pay, and it’s different for everyone. It’s exactly the kind of thing worth running the numbers on rather than guessing, and it’s a calculation we do with people regularly.
Admin, privacy and credibility
Admin. A sole trader’s obligations are light: keep records, file a Self Assessment - and now MTD returns (depending on turnover). A limited company has more to do: annual accounts filed at Companies House, a Corporation Tax return, a confirmation statement, and payroll if you take a salary. None of it is difficult with the right help, but it’s more than nothing.
Privacy. A company’s accounts and details of its directors and owners sit on the public register at Companies House. A sole trader’s figures stay private. For some people that’s a genuine consideration.
Credibility. Fairly or not, some clients and suppliers take a limited company more seriously, and a few will only deal with one. In certain industries, “Ltd” after your name opens doors. In others, nobody minds either way.
When people usually incorporate
There’s no legal trigger, but the common moments are: profits reaching a level where the tax maths tips in the company’s favour, taking on risk that makes limited liability attractive, a client or contract that requires you to be a limited company, or planning to grow, bring in investment, or eventually sell.
Plenty of successful businesses stay sole traders for years, and plenty incorporate on day one. Neither is wrong. What you want to avoid is incorporating because someone told you to “for the tax” without anyone checking whether it actually helps you.
Here’s how we help
We talk people through this decision all the time, and we’ll give you a straight answer for your situation, not a one-size-fits-all rule. If sole trader is right for now, we’ll say so. If a company would leave you better off, we’ll show you the numbers and handle the setup and the ongoing filing. You can read more about each on our Sole Trader Accounts and Company Accounts pages.
Unsure?
To work out which is right for you, ask us for a fixed-fee quote or call the office on 01904 202237.
The information in this article was correct on 23 August 2026. It should not be used instead of professional advice.
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