How to Apply for UTR Number: A Step-by-Step Procedure

How to Apply for UTR Number


Applying for a UTR number might seem daunting, but it’s an essential step for individuals and businesses operating in the UK tax system. Whether you’re a self-employed individual or a company director, having a UTR number is crucial for proper tax reporting.

Understanding the UTR Number

A Unique Taxpayer Reference (UTR) number is a 10-digit code assigned to each taxpayer by HM Revenue and Customs (HMRC). It’s a way to identify individuals and businesses for tax purposes, ensuring accurate record keeping.

Why Do You Need a UTR Number?

Your UTR number is your unique identifier within the HMRC system. You’ll need it when filing your tax returns, communicating with HMRC, and managing your tax obligations. Without a UTR number, you can’t properly fulfill your tax responsibilities.

Eligibility Criteria

Most individuals and businesses in the UK are required to have a UTR number if they need to complete a self-assessment tax return, register for VAT, or operate as a sole trader or partnership. Limited companies also need a UTR number for corporation tax purposes.

Gathering Required Documents

Before you start the application process, gather essential documents such as your National Insurance number, personal identification, business information, and other relevant details.

Application Methods

You can apply for a UTR number using either the online or postal method, depending on your preference and convenience.

Online Application

  1. Visit the HMRC Website: Go to the HMRC website and find the relevant UTR application section.
  2. Choose the Registration Option: Select the appropriate registration option based on your situation.
  3. Provide Personal Information: Enter your personal details, including your name, contact information, and National Insurance number.
  4. Verify Identity: Complete the identity verification process as required.
  5. Provide Business Details: If you’re applying as a business, provide your business information.
  6. Complete Additional Information: Answer any additional questions as prompted.
  7. Submit the Application: Review the information and submit your application.

Postal Application

  1. Obtain the UTR Form: Download or request the UTR form from the HMRC website.
  2. Fill in the Form: Complete the form with accurate information.
  3. Gather Supporting Documents: Attach copies of required documents, such as identification and business details.
  4. Double-Check the Information: Review the form and documents to ensure accuracy.
  5. Mail the Application: Send the completed form and documents to the address provided on the form.

Waiting for Approval

After submitting your application, it might take a few weeks to receive your UTR number. During this time, HMRC will review your application and verify the information provided.

Receiving Your UTR Number

Once your application is approved, you’ll receive your UTR number via mail or email, depending on the method you chose during the application process.

Using Your UTR Number

Your UTR number has various uses in the UK tax system:

  • Self-Assessment Tax Returns: Use your UTR number when filing your annual self-assessment tax return.
  • Corporation Tax: If you’re a limited company, use your UTR number for corporation tax purposes.
  • Partnerships: Partnerships use the UTR number to manage their tax responsibilities.

Common Mistakes to Avoid

  • Providing incorrect information on your application.
  • Failing to gather and attach necessary documents.
  • Applying for multiple UTR numbers when you only need one.


  • Is the UTR number the same as the National Insurance number?

Yes, the UTR number is not the same as the National Insurance number. While both numbers are used for tax-related purposes in the UK, they serve different functions and are issued by different government agencies.

The National Insurance number is a unique personal identifier used primarily for social security and social benefits. It is issued by the Department for Work and Pensions (DWP) and is used to track your National Insurance contributions, which fund various state benefits like the State Pension and healthcare services.

  • How often do I need to use my UTR number?

You will need to use your UTR number regularly for various tax-related activities and interactions with HM Revenue and Customs (HMRC) in the UK. Here are some instances where you will need to use your UTR number:

  1. Self-Assessment Tax Returns: If you are self-employed, a sole trader, or in a partnership, you are required to file a self-assessment tax return each year. Your UTR number is essential for accurately reporting your income, and expenses, and calculating your tax liability.
  2. Corporation Tax: If you operate as a limited company, your UTR number is used for corporation tax purposes. You need it to complete and file your company’s corporation tax return, which reports the company’s financial activities and calculates its tax liability.
  3. VAT Registration: If your business is registered for Value Added Tax (VAT Registration), your UTR number will be used for VAT-related transactions and reporting.
  4. Communication with HMRC: Whenever you need to communicate with HMRC about your tax affairs, whether through letters, emails, or phone calls, providing your UTR number helps HMRC identify and access your tax records quickly.
  5. Tax Payments: When making tax payments, such as income tax or corporation tax payments, you will need to reference your UTR number to ensure the payment is correctly attributed to your tax account.
  6. Claiming Tax Refunds: If you’re eligible for a tax refund, your UTR number might be required to process the refund and ensure it reaches the right taxpayer.
  7. Managing Other Tax Obligations: Your UTR number may also be needed for various other tax-related obligations, such as capital gains tax, inheritance tax, and more.
  • Is there a fee for applying for a UTR number?

No, there is no fee for applying for a UTR number. The process of obtaining a Unique Taxpayer Reference (UTR) number from HM Revenue and Customs (HMRC) is free of charge. Whether you apply for a UTR number online or through the postal method, you won’t be required to pay any application fees.
  • Can I change my UTR number if needed?

No, you cannot change your UTR number once it has been assigned to you. The Unique Taxpayer Reference (UTR) number is a permanent and unique identifier that remains associated with your tax records throughout your interactions with HM Revenue and Customs (HMRC) in the UK.

If you believe there is an error in your UTR number or if you have concerns about its accuracy, it’s crucial to contact HMRC directly to address the issue. However, requesting a new UTR number is generally not possible. It’s important to keep your UTR number secure and use it consistently for all tax-related activities and communications with HMRC.


Applying for a UTR number is a vital step in fulfilling your tax obligations in the UK. By following the outlined steps and understanding the importance of your UTR number, you’ll be better equipped to manage your taxes efficiently and accurately.

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