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Starting A Business

Choosing A Business Structure

45 mins·6 steps·Free

One of the first decisions you need to make when starting a business is how to structure it legally. Sole trader, limited company, partnership — each has different implications for tax, liability, administration and how you are perceived by clients. This pathway helps you understand your options clearly so you can make the right choice for your situation.

Please note: This guide is for general information only. It is not legal or financial advice. Always check current regulations and seek professional guidance where needed.

A sole trader is the simplest and most common business structure in the UK. You register with HMRC for Self Assessment, and that is essentially it. There is no registration fee, no Companies House filing and very little ongoing administration.

As a sole trader, you and your business are legally the same entity. All the profits belong to you and you pay Income Tax and National Insurance on them through your annual Self Assessment tax return. The tax year runs from 6 April to 5 April.

The main downside is unlimited personal liability. If your business gets into debt or faces a legal claim, your personal assets — including your home — could be at risk. For many service businesses where the risk of significant debt is low, this is an acceptable trade-off for the simplicity.

Sole trader status is ideal for: freelancers, consultants, tradespeople, coaches, creatives and anyone starting out who wants to test their idea without administrative overhead. You can always convert to a limited company later when it makes financial sense.

Good to know

  • Register with HMRC as soon as you start earning — do not wait until the deadline
  • Keep records of all income and expenses from day one
  • Consider professional indemnity insurance to manage the personal liability risk

Watch out for

  • Assuming sole trader means you cannot use a trading name — you can trade as any name you choose
  • Not setting aside money for your Self Assessment tax bill
  • Mixing personal and business finances

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