HMRC Guides
How Do I Find My UTR Number? (A Simple UK Guide)
How Do I Find My UTR Number? (A Simple UK Guide)
If you're self-employed, complete a Self Assessment tax return or deal with HMRC, you've probably been asked for your UTR number.
One of the most searched questions in the UK is:
👉 How do I find my UTR number?
The good news is that your UTR doesn't usually change, and there are several places you can find it.
What Is a UTR Number?
UTR stands for Unique Taxpayer Reference.
It is a 10-digit number issued by HMRC to identify you for tax purposes.
You may need it when:
Registering as self-employed
Completing a Self Assessment tax return
Speaking to HMRC
Giving information to an accountant
Registering for the Construction Industry Scheme (CIS)
Where Can You Find Your UTR?
You can usually find your UTR on:
Your Self Assessment tax return
Letters from HMRC
Your HMRC online account
Payment reminders from HMRC
Notices to file a tax return
If you keep digital copies of HMRC correspondence, finding your UTR is usually much easier.
What If You've Lost It?
If you can't find your UTR:
Check your HMRC online account.
Look through previous HMRC letters or emails.
Contact HMRC if you still can't locate it.
For security reasons, HMRC will need to verify your identity before providing your UTR.
Is My UTR the Same as My National Insurance Number?
No.
People often confuse the two, but they are different.
Your:
National Insurance number is used for National Insurance contributions and employment.
UTR is used to identify you for Self Assessment and certain tax matters.
When Will You Need Your UTR?
You may need your UTR when:
Filing a Self Assessment return
Registering as self-employed
Applying for Gross Payment Status under CIS
Contacting HMRC about your taxes
Working with an accountant
Keeping your UTR somewhere safe can save a lot of time later.
Common Questions
Does everyone have a UTR?
No.
Only people who have been issued one by HMRC.
Can my UTR change?
In most cases, no.
Your UTR normally stays the same.
Can I file my tax return without it?
Usually, you'll need your UTR to access and manage your Self Assessment account.
Keep Your Tax Details Organised
As your tax records grow, it's easy to misplace important information.
Keeping copies of:
HMRC letters
UTR details
Receipts
Tax returns
Business records
in one secure place makes managing your taxes much easier.
Final Thoughts
Your UTR number is one of the most important pieces of information you'll need when dealing with HMRC.
Knowing where to find it—and keeping it somewhere secure—can save time and reduce stress when filing tax returns or contacting HMRC.
Disclaimer
This article is for general information purposes only and does not constitute tax, legal or financial advice. Tax rules can change and individual circumstances vary. Always consult a qualified UK tax adviser or accountant for advice tailored to your situation.
Handle your MTD returns automatically
Snap receipts, log income, submit to HMRC — all from Telegram.
Try TaxBot free →