Where to Find My Unique Tax Reference Number

Where to Find My Unique Tax Reference Number


Whether you’re an individual taxpayer or a business owner, having your Unique Tax Reference (UTR) is crucial for managing your tax obligations. This guide aims to provide clear and concise information on how to locate your UTR and understand its importance.

What is a Unique Tax Reference (UTR)?

A Unique Tax Reference (UTR) is a 10-digit code assigned to individuals, businesses, and other entities by Her Majesty’s Revenue and Customs (HMRC). It serves as an identifier for tax purposes and ensures accurate tracking of your tax-related activities.

Importance of Your UTR

Your UTR is used to link all your tax records, including self-assessment tax returns, payments, and communications with HMRC. This reference number is unique to you or your entity and helps HMRC maintain accurate and up-to-date records.

Receiving Your UTR

When you register for self-assessment or set up a new company, HMRC will automatically issue you a UTR. It’s important to keep this number safe and easily accessible.

Where Can I Find My Unique Tax Reference?

5.1 Online through HMRC Website

One of the most convenient ways to find your UTR is by logging into your HMRC online account. After logging in, you can access your UTR in the “Self Assessment” section.

5.2 On Correspondence from HMRC

HMRC will send you written correspondence that includes your UTR. This could be in the form of letters, statements, or other official documents related to your taxes.

5.3 Using the HMRC App

The HMRC app offers easy access to your tax information, including your UTR. Download the app, log in, and navigate to the relevant section to find your UTR.

How Do I Find My Unique Taxpayer Reference?

Finding your Unique Taxpayer Reference (UTR) involves the same steps as locating your UTR. They refer to the same number and serve the same purpose.

Where Do I Find My UTR for Self Assessment?

Your UTR for self-assessment can be found in the previously mentioned locations: your HMRC online account, HMRC correspondence, and the HMRC app.

Locating Your UTR for Limited Companies

If you’re a director of a limited company, you’ll find your UTR on official paperwork from HMRC, such as the “Welcome to Corporation Tax” letter.

Finding UTR for Partnerships

Partnerships receive a UTR when they register with HMRC. This UTR is used to link the partnership’s records, and it can be found on partnership-related documents.

UTR for Non-Residents

If you’re a non-resident with UK tax obligations, you’ll receive a UTR when you register for self assessment. You can find it using the methods mentioned earlier.

What to Do If You Can’t Find Your UTR

If you’ve misplaced your UTR or are having trouble locating it, don’t worry. You can call the HMRC helpline for assistance. Make sure to verify your identity to access your UTR.

Protecting Your UTR

Keep your UTR confidential and secure. Avoid sharing it with unauthorized individuals or entities to prevent potential misuse.

Common Misconceptions About UTRs

  • My UTR Never Changes: Your UTR remains the same even if your circumstances change, such as moving from self-employment to a limited company.
  • UTR Equals National Insurance Number: These are distinct numbers serving different purposes. Your UTR relates to taxes, while your National Insurance number is for social security benefits.


Your Unique Tax Reference (UTR) is a vital component of your tax affairs. Knowing where to find it ensures you can fulfill your tax obligations accurately. Keep your UTR secure, and access it whenever you need to manage your taxes.

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