What is a Company UTR number?

  • 4 min read

When you first form a new company, the number of numbers you need to remember can become overwhelming. There’s your company registration number for a start, your VAT number if you’ve registered for it, and on top of those, you’ll be asked for a UTR number by HMRC.

Whilst it may seem a lot of acronyms and a lot to remember, we’ll cover all you need to know about your UTR number in this blog.

What is a UTR number?

A company’s UTR number is it’s Unique Taxpayer Reference number. The UTR number will look like a ten digit long number, and issued by HMRC to anyone in the UK needing to complete a tax self assessment form. 

Sole traders, self-employed persons and limited companies are all issued with a UTR number.

Related Reading: Sole Trader vs Limited Company: Top 10 Considerations

What do I need my UTR number for?

Your company UTR number is a unique identifier for your company, and is required whenever you will be submitting paperwork to HMRC, or resolving tax-based issues. 

You may need to present your UTR number in events such as:

  • Altering your corporation tax accounting period
  • Contacting HMRC for any issues related to your company
  • Filing your tax and VAT Returns
  • Informing HMRC about any changes to your business’s registered details 
  • Informing HMRC of changes to your company structure
  • Letting HMRC know your business is dormant
  • Paying your corporation tax and VAT
  • Paying any employees
  • Registering for your corporation tax, VAT, and PAYE

How do I get my UTR number?

Once you register with HMRC for a tax self-assessment form, HMRC will automatically issue you with a company UTR number. It may be referred to as a tax reference number on the initial sign up process, but subsequent confirmation paperwork will display the same number with the UTR acronym in front of it. 

If you are not issued with a UTR number on registration, contact HMRC either online or by phone to apply. You will need to complete an application form for a self-assessment tax form either online, or by hardcopy. 

Do you have a UTR number if you are PAYE?

Only those submitting a self-assessment tax return need a UTR number. Those submitting could be self-employed, or have set up a limited company and would therefore need the UTR to pay employees. Alternatively if you owe tax on savings, capital gains or dividends or you’re earning more than £100,000 you will be issued with a UTR number.

I’ve lost my UTR number, what do I do?

If you lose or forget your UTR number you can retrieve it by referring to previous HMRC correspondence.

Tax letters you have received, as well as P45 or P60’s will all contain your UTR, as will payslips. 

If you cannot locate any paperwork, just call the self-assessment helpline on 0300 200 3310  or visit the HMRC website to follow the right links.

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