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Business Law

Starting a Business

Last updated: 22 March 2026Typical cost: £500 - £2,500+

Quick Summary

Starting a business in the UK involves choosing a legal structure (sole trader, partnership, or limited company), registering with Companies House and HMRC, and putting key contracts in place. A solicitor can help you avoid costly mistakes from the outset.

Do I Need a Solicitor to Start a Business?

You do not legally need a solicitor to start a business. You can register a limited company at Companies House for £12 online, and registering as a sole trader with HMRC is free. Many people start businesses without any legal help at all.

However, a solicitor becomes important when you need contracts — whether that is a shareholder agreement between co-founders, terms of business for your customers, or a commercial lease for premises. Getting these wrong can be extremely expensive to fix later. A poorly drafted shareholder agreement, for example, can lead to deadlock or an unfair outcome if one founder wants to leave.

If you are bringing on a business partner or co-founder, getting proper legal advice early is one of the best investments you can make. It forces you both to agree on important questions — who owns what, who puts in what, and what happens if things go wrong.

Choosing Your Business Structure

The three most common business structures in the UK are:

**Sole Trader** — The simplest option. You and your business are the same legal entity. You keep all profits after tax but are personally liable for all business debts. Registration is free with HMRC.

**Limited Company (Ltd)** — A separate legal entity from you. Your personal liability is limited to your investment in the company. You pay Corporation Tax on profits (currently 25% for profits over £250,000, 19% for small profits). More paperwork, but better protection and often more tax-efficient.

**Partnership / LLP** — If you are going into business with others. An LLP gives limited liability protection while a traditional partnership does not. An LLP must file accounts at Companies House.

Most solicitors recommend a limited company if you expect to earn more than £30,000-40,000 per year, because of the liability protection and tax advantages. An accountant can advise on the tax implications of each structure.

How Much Does a Business Solicitor Cost?

Business solicitor fees vary widely depending on what you need:

**Company formation with basic documents**: £500-£1,000 **Shareholder agreement**: £750-£2,000 **Terms and conditions**: £500-£1,500 **Employment contracts**: £300-£800 per contract **Commercial lease review**: £500-£1,500

Many solicitors offer fixed-fee packages for start-ups that bundle common documents together. This is usually more cost-effective than buying each document separately. Some also offer a retainer arrangement where you pay a monthly fee for ongoing access to legal advice.

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Disclaimer: This page provides general information about the law in England and Wales. It is not legal advice and should not be treated as such. Every situation is different, and you should consult a qualified solicitor for advice specific to your circumstances.

Starting a Business? Legal Essentials You Need to Know (2026) | The Solicitor Directory