Sole trader vs limited company: which should I be?

Internal links: Pillar → "Accounting for non-accountants" · Siblings → "Do I need an accountant for my small business?", "When do I have to register for VAT?", "What records do I legally have to keep?" · Cross-link (Bucket 2) → "Run your books without becoming a bookkeeper" · Cross-link (Cluster M) → "Get your startup financials investor-ready in a weekend"

---

The two options, in one breath

A sole trader is you, trading as yourself — simple, you and the business are legally the same thing. A limited company is a separate legal "person" you create and own — more protection, more admin, sometimes less tax.

That's the entire choice. Neither is "better." One suits a freelancer testing the water; the other suits a growing business with profits, risk, or ambitions to raise. This page walks through the real differences so you can see which fits you, without anyone selling you one or the other.

The big difference: who's on the hook (liability)

This is the one that matters most, and it's the easiest to feel in your gut.

As a sole trader, there's no line between you and the business. If the business owes money it can't pay, those debts are your debts. Creditors can come after your personal savings, and in the worst cases your home. For a low-risk freelancer with no debts and no chance of being sued, that risk is mostly theoretical. For anyone signing contracts, holding stock, or in a line of work where things can go wrong, it's very real.

A limited company puts a wall between you and the business. Because the company is its own legal person, its debts are its debts, not yours. If it fails owing money, you generally lose what you put in — not your house. This "limited liability" is the whole reason the structure exists, and it's the single best argument for going limited if your business carries any real risk.

A caveat worth knowing: that wall isn't absolute. Banks often ask company directors for a personal guarantee on loans (which puts you back on the hook for that debt), and the protection doesn't cover your own fraud or wrongful trading. But for ordinary business debts, the protection is genuine and valuable.

The money difference: tax (where it gets interesting)

This is usually what people are really asking about, so let's be even-handed.

Sole trader tax is simple. You pay Income Tax and National Insurance on your profits through one annual Self Assessment return. Profit is profit; you're taxed on all of it as personal income, at the usual rates. Easy to understand, easy to predict.

Limited company tax is more moving parts, but often less overall. The company pays Corporation Tax on its profits. Then you take money out — usually a mix of a small salary and dividends (a share of profit paid to owners, taxed at lower rates than salary). That salary-plus-dividends combination is what can leave more in your pocket than the sole trader route, once profits are high enough.

The honest catch: those savings only really show up above a certain profit level, and they come with extra admin and accountancy cost. At low profits, the tax difference is small and may be wiped out by the extra fees. At higher profits, it can be worth thousands a year. Which brings us to the question everyone wants answered.

So at what income should I go limited?

Here's the rough, honest answer — with the caveat that your exact numbers depend on your situation, so treat this as a guide, not gospel.

For many people, the tax maths starts tipping in favour of a limited company somewhere around £30,000–£50,000 of annual profit. Below that, the tax saving is often too small to justify the extra admin and accountant fees — staying a sole trader is simpler and usually just as good. Above it, the salary-plus-dividends structure tends to pull ahead, and the gap widens as profits grow.

But — and this is the even-handed bit — tax shouldn't be the only factor. Plenty of people go limited below that range because they want the liability protection or the credibility, and plenty stay sole trader above it because they value the simplicity and don't want the admin. The number is a signpost, not an instruction. If you're hovering around it, that's exactly the moment to spend an hour with an accountant on your specific figures. (See: Do I need an accountant for my small business?)

The admin difference: how much paperwork

Be honest with yourself about this one, because it's a real cost in time and stress.

Sole trader admin is light. Keep records of your income and expenses, file one Self Assessment a year, pay your tax. That's broadly it. Nothing is public. No company to maintain.

Limited company admin is heavier and more public. A company must file annual accounts at Companies House (which become public), a Company Tax Return with HMRC, and an annual confirmation statement, all to deadlines that carry penalties if missed. You're a director with legal duties. You'll almost certainly want an accountant for the year-end. None of this is hard with the right tools, but it's more than a sole trader deals with, and it doesn't stop.

If admin is the thing making you hesitate, that's fair — but it's also the part that modern software has shrunk the most. The recording and reconciling is now automatic; what's left is the filings, which are trackable and predictable.

The credibility difference (real, but easy to overstate)

Some clients — bigger companies especially — prefer to work with a limited company. "Ltd" after your name can read as more established, more permanent, more serious. In some industries it genuinely opens doors.

But it's easy to overstate. Plenty of successful, well-paid sole traders never hear a complaint about their structure, because their work speaks louder than their entity type. If you're chasing enterprise contracts or building something you want to look substantial, the credibility point counts. If you're a freelancer with happy clients, it's probably not the thing that wins you work.

What about raising investment?

If there's any chance you'll raise money from investors — angels, a seed round, or even friends-and-family using SEIS/EIS tax reliefs — this tips the scales decisively toward a limited company.

You can't sell shares in a sole trader, because there are no shares; there's just you. Investors buy equity (a slice of ownership) in a company. The popular UK startup tax reliefs that make early investment attractive only work for limited companies, too. So if "we might raise" is anywhere on your horizon, being a limited company isn't really optional — it's the structure investment runs through. (See: Get your startup financials investor-ready in a weekend.)

You're not locked in

One reassuring thing before you decide: this isn't a one-way door.

Loads of people start as a sole trader to keep things simple while they test whether the business works, then incorporate (set up a limited company) once profits grow or risk increases. That's a completely normal path, and it's often the sensible one — there's no prize for going limited on day one if you're not sure the business will fly.

So if you're genuinely unsure, starting simple as a sole trader and switching later is a perfectly good plan. The cost of changing later is much smaller than the cost of carrying limited-company admin for a business that never needed it.

The short version

Sole trader is simpler, lighter on admin, and fine for lower profits and low-risk work — but you're personally on the hook for debts. A limited company protects your personal assets, can save real tax once profits climb (roughly £30k–£50k+ is where the maths starts to favour it), and is essential if you want to raise investment — but it brings more admin and public filings. Tax is only part of the story; weigh liability, admin, credibility and your plans too. And remember you can start simple and switch later. If you're near the line, an hour with an accountant on your actual numbers is the best money you'll spend.

---

Whichever you choose, Ledgers keeps the books behind it tidy. Your bank feed pulls transactions in, they're categorised and reconciled automatically, and if you go limited, a Companies House tracker keeps your confirmation statement and filings on schedule — with clean, year-end-ready records for your accountant. See your numbers without learning accounting → start free.

Not sure whether you'll need an accountant either way? Do I need an accountant for my small business? →

Growing fast? Here's the other threshold to watch: When do I have to register for VAT? →

Frequently asked questions

Is a sole trader or limited company better for tax?

It depends on profit. At lower profits the difference is small and the sole trader's simplicity often wins. At higher profits — roughly £30k–£50k and up — a limited company's salary-and-dividends structure usually leaves more in your pocket, though it brings extra admin and accountant fees.

At what income should I become a limited company?

As a rough guide, the tax maths often starts favouring a limited company around £30,000–£50,000 of annual profit. But liability, credibility and raising investment can justify going limited sooner — or simplicity can justify staying a sole trader for longer.

Can I change from sole trader to limited company later?

Yes, and it's common. Many people start as a sole trader to keep things simple, then incorporate once profits grow or risk increases. It's a normal, sensible path — you're not locked into your first choice.

Does a limited company protect my personal assets?

Largely, yes. Because the company is a separate legal person, its debts are generally its own, not yours. The main exceptions are personal guarantees on loans and your own wrongdoing — but for ordinary business debts, the protection is real.

See your numbers without learning accounting

Ledgers does the bookkeeping — bank feeds, VAT, year-end — and keeps your accountant in the loop. Free for pre-revenue founders.

Start free →

Get the next guide by email

Plain-English accounting for founders — a couple of new guides a week. No spam, unsubscribe anytime.

Subscribe

Keep reading · “Do I even need to…”

“Do I even need to…”

Can I do my own bookkeeping? (A realistic guide)

Yes, you can do your own bookkeeping — and most of it is now automatic. Here's what bookkeeping actually involves, what's handled for you, and when to get help.

6 min read“Do I even need to…”

Do I need an accountant for my small business?

Do you need an accountant? For some things, yes — year-end and complex tax. For day-to-day bookkeeping, not really. Here's the honest, plain-English answer for UK founders.

6 min read“Do I even need to…”

Do I need to file accounts if I made no money?

Yes — even if your company made no money, you still file dormant company accounts and a confirmation statement. Here's the plain-English version, and why it's a near-empty filing.

6 min read