Find your UTR number
You get a Unique Taxpayer Reference (UTR) when you:
- register for Self Assessment
- set up a limited company
It鈥檚 a 10-digit number. It might just be called 鈥榯ax reference鈥�.
You鈥檒l get your UTR by post 15 days after you register. It takes longer if you live overseas.
This guide is also available in Welsh (Cymraeg).
Where to find your UTR
How you find your UTR depends on your circumstances.
If you鈥檙e an individual or sole trader
You can find your individual UTR number:
- in your Personal Tax Account
- in the HMRC app
- on previous tax returns and other documents from HMRC (for example, notices to file a return or payment reminders)
If you cannot find your UTR on any documents or online, contact HMRC.
If you鈥檙e acting on behalf of an organisation (for example, a company, partnership or trust)
You can find the organisation鈥檚 UTR number on previous tax returns and other documents from HMRC (for example, notices to file a return or payment reminders).
If you cannot find the organisation鈥檚 UTR on any documents or online, contact HMRC.
If you have a limited company
You can . HMRC will send it to the business address that鈥檚 registered with Companies House.