Self Assessment UTR (UK)
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A UTR identifies you for Self Assessment. You need it to file returns or interact with HMRC as self-employed.
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Where to find it
Sent by HMRC after you register for Self Assessment.Why it matters
Required for filing and contacting HMRC about your return.What to do now
- Register for Self Assessment with HMRC
- Wait for your 10-digit UTR by post
- Keep it for all tax return interactions
Quick links
Related
Guides
- Get your UK National Insurance Number
- Check and update your PAYE Tax Code (UK)
- Set up Council Tax payments (UK)
- Open a UK bank account
- Register with a GP (NHS, UK)
- Apply for a BRP (UK) or collect it
- File a UK Self Assessment tax return
- Claim Child Benefit (UK)
- Exchange a foreign driving licence for a UK one
FAQ
No. NI relates to contributions; UTR is for Self Assessment.
You usually find your Self Assessment UTR (UK) in official letters, online portals, or documents from authorities.
Yes, Self Assessment UTR (UK) is often required for taxes, banking, or admin tasks.
Contact the relevant office to request a replacement or check your online account.
