HOW TO REGISTER FOR A SELF ASSESSMENT TAX RETURN IN THE UK: A SIMPLE GUIDE

How to Register for a Self Assessment Tax Return in the UK: A Simple Guide

How to Register for a Self Assessment Tax Return in the UK: A Simple Guide

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If you're self-employed, a landlord, or have income outside of PAYE, you’ll likely need to file a Self Assessment tax return. But before you can do that, you must register with HMRC. In this blog, we’ll walk you through the step-by-step process of registering for Self Assessment, including essential resources and professional help if needed.

Who Needs to Register for Self Assessment?

You must register if you:

  • Are self-employed as a sole trader

  • Earn over £1,000 from self-employment in a tax year

  • Are a partner in a business partnership

  • Receive income from property rentals

  • Have savings, investments, or dividends over a certain amount

  • Need to claim tax reliefs or have untaxed income

Still unsure? Visit the official Self Assessment registration page to check if you need to register.

When to Register

You must register by 5 October following the end of the tax year you need to file for. For example, if you need to file for the 2024/25 tax year (ending 5 April 2025), register by 5 October 2025.

Missing the deadline can result in penalties, so don’t wait too long.

How to Register Online with HMRC

Registering for Self Assessment is straightforward:

  1. Go to the HMRC registration page.

  2. Select the appropriate option (e.g., registering as a sole trader).

  3. Create a Government Gateway account if you don’t already have one.

  4. Fill in your personal details, including National Insurance number.

  5. Once registered, HMRC will send you a Unique Taxpayer Reference (UTR) and instructions for filing your tax return.

For a detailed breakdown of how to file after registering, read this helpful blog:
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Need Help? Professional Support is Available

Registering and filing your Self Assessment can be time-consuming or confusing—especially if it’s your first time. That’s where expert assistance comes in handy.

At PHS Accountants, we offer comprehensive Self Assessment services to take the stress out of tax season. Whether you're registering for the first time or need help filing, our team is here to support you.

???? Call us today at 0208 8611685 for expert guidance.

Final Thoughts

Registering for Self Assessment is a crucial first step in managing your finances if you have untaxed income. Make sure to register early, keep your records organised, and seek professional help if needed.

If you found this guide helpful, don’t forget to share it and check out more useful resources at PHS UK.

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