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UTR Number UK: What Is a UTR, Why You Need One & How to Get It
Kausik MukherjeeTax Return
A UTR — short for Unique Taxpayer Reference — is your personal identifier within the UK tax system. Your UTR number is a 10-digit code issued by HM Revenue and Customs (HMRC) to identify every taxpayer uniquely. Also known as a tax reference, your UTR is essential for filing Self Assessment returns, making payments to HMRC, and managing all tax correspondence.
Types of UTR Numbers Issued by HMRC
There are basically two types of UTR numbers-
- Individual UTR: This is issued to individuals for personal tax matters.
- Company UTR: This is issued to businesses and is linked to the tax records of a company
If you are a self-employed professional and a business owner, HMRC assigns two distinct UTR numbers. In fact, a UTR number will be assigned to you automatically as soon as you register for self-assessment online or set up a limited company. Actually, it is best to register for a UTR number within the first three months of starting your business as the process is lengthy. Your UTR number will be in a letter along with an activation code, which will be sent by the HMRC to your registered office address, and this may take a few weeks!
Why Your UTR Number Matters: 5 Key Uses
Your UTR number is used for various purposes. Here are a few important ones-
Filing Your Self Assessment Using UTR:
It is a must-have to file a Self-Assessment as it identifies your tax return and ensures that it is linked to your tax records.
Making Payments to HMRC with Your UTR:
When you make any payments to the HMRC, it acts as proof that the payment has been initiated or completed. This also aids in avoiding any confusion, dispute or delays in payment processing.
Using Your UTR for All HMRC Correspondence:
Whether you want to enquire about your tax status, deal with a tax refund, or respond to an HMRC inquiry, it ensures that all the correspondence is linked to your account.
How Your UTR Helps You Avoid Tax Penalties:
Sometimes, even after putting in the best efforts, you may miss the tax deadlines. As a result, you are supposed to face the penalties. However, if you have your UTR number handy, the risk of administrative errors leading to hefty fines is minimized.
UTR and Regulatory Compliance Requirements:
Some regulatory bodies demand detailed transaction records for maintaining compliance. At that time, your UTR number ensures transparency and adherence to financial regulations.
Where to Find Your UTR Number (And What to Do If You’ve Lost It)
If you’ve been issued a UTR but can’t locate it, there are several ways to retrieve it. Your UTR number appears on previous Self Assessment tax returns, HMRC letters, payment reminders, and bank statements. You can also find your UTR by logging into your personal tax account via the HMRC app or website. If you’ve lost your UTR and suspect identity theft, contact HMRC by phone immediately to protect your tax identity.
Your UTR number is critical for maintaining your tax identity. So, it is important to keep it safe and handy during tax filing and any other dealings with HMRC. If you are uncertain whether a UTR number is required for your situation, Speak to a qualified tax advisor about your UTR.
Unique Taxpayer Reference.
Automatically when you register for Self Assessment or set up a limited company.
No, they are different references.
Yes — HMRC may issue separate UTRs for personal and company tax.




