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Tax & HMRC

Understanding how tax works is essential if you’re self-employed.

This section explains how the UK tax system applies to sole traders, including Income Tax, National Insurance, Self Assessment and VAT.

You’ll also find guides covering common issues such as registering with HMRC, tax deadlines, allowances, penalties and the upcoming Making Tax Digital (MTD) rules.

Whether you’re just starting out or want to make sure you’re meeting HMRC’s requirements, these guides explain the key rules in plain English.

Start with these guides

  • What taxes do you pay if you work for yourself?
  • How does Self Assessment work if you’re self-employed?
  • What is Making Tax Digital (MTD) for Income Tax?
  • What is VAT and when do you have to register?
  • Use our sole trader tax calculator

Registering with HMRC

  • How to register as self-employed
  • What is a Unique Taxpayer Reference (UTR)?

Self Assessment and tax returns

  • Common Self Assessment mistakes
  • How long you must keep tax records
  • How to register for Making Tax Digital
  • MTD deadlines explained

National Insurance and allowances

  • National Insurance for the self-employed
  • The trading allowance explained
  • Capital allowances for sole traders
  • High Income Child Benefit Charge
  • Student loan repayments for the self-employed

VAT and business taxes

  • VAT threshold explained
  • VAT guide for small businesses
  • Flat Rate VAT scheme explained
  • Business rates and Small Business Rate Relief

Tax mistakes and common problems

  • Registered twice with HMRC?
  • HMRC interest rates on late tax payments
  • Business Asset Disposal Relief explained
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Can I pay myself a salary if I’m a sole trader?

July 28, 2026
Can pay yourself a salary as a sole trader? Learn how drawings work, what HMRC expects, and how to manage tax and NI when you're self-employed.
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How many years should you keep your tax and accounting records for?

July 27, 2026
How long sole traders, limited companies, employers and CIS businesses must keep tax records, plus the documents you should retain as per HMRC guidelines.
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Can you charge VAT while waiting for your VAT number?

July 13, 2026
If you've applied for VAT registration but are still waiting for your VAT number, you may be unsure whether you should start charging VAT. In most cases, the answer is…
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Can a sole trader have more than one VAT number?

July 10, 2026
Can a sole trader have more than one VAT number? Why most sole traders can only have one VAT registration, even if they run multiple businesses.
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How to cancel your VAT registration if you’re self-employed

July 9, 2026
If you've ceased trading, your turnover has fallen, or you've changed how you run your business, you may no longer need to be VAT registered.
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VAT for the self-employed – what you need to know in 2026

July 6, 2026
A practical guide to VAT for sole traders in 2026 – when to register, how it works, VAT returns, reclaiming expenses, and how to stay compliant with HMRC.
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Claiming capital allowances as a sole trader: what’s allowed

May 18, 2026
A practical guide to capital allowances for sole traders, including what you can claim, current rates, and how the rules differ from limited companies.
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How to register for Making Tax Digital for Income Tax (MTD ITSA)

May 1, 2026
Learn how to sign up for Making Tax Digital for Income Tax as a sole trader. Step-by-step guide, software tips, and what you need to register.
Read More
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VAT registration – when should you register for VAT? Try HMRC’s estimator tool

April 29, 2026
If the 'taxable supplies' of your business over the past 12 months have exceeded the current VAT registration threshold, you must register for VAT. The current registration threshold (as of…
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What National Insurance do self-employed people pay in 2026/27?

April 6, 2026
Find out how National Insurance works for sole traders, including Class 2/4 rates, how to pay, and how it differs from employee and limited company rules.
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