Back
Let us sort your Self Assessment today. Stress-free. For £119, all in. Learn more

The most important HMRC contact numbers

HMRC has over 130 phone lines, but most of them are not relevant for everyday taxpayers.

This is a list of the most important ones.

For questions about your Self Assessment:

  • Inside UK: 0300 200 3310
  • Outside UK: +44 161 931 9070

You’ll need your National Insurance and UTR numbers.

For questions about Income Tax, Capital Gains Tax, and most tax reliefs

  • Inside UK: 0300 200 3300
  • Outside UK: +44 135 535 9022

You’ll probably need your National Insurance and UTR numbers.

For questions about CIS registration and rebates

  • Inside UK: 0300 200 3210
  • Outside UK: +44 161 930 8706

If you’re not sure if you’re employed or self-employed

  • Only from inside the UK: 0300 123 2326

For questions about National Insurance

  • Inside UK: 0300 200 3500
  • Outside UK: + 44 191 203 7010

If you need HMRC online technical support

  • Inside UK: 0300 200 3600
  • Outside UK: +44 161 930 8445

For other situations

For all other special situations (for example, child benefit, tax credits, non-resident landlord taxes, etc.), check this complete (130!) list of phone numbers on HMRC’s website.

Hey there! We really hope this article helped you. Tax matters can be a dreadful topic at times. We know. That's why we started TaxScouts.
A stress-free way to getting your taxes done.

Have a minute? See how it works

More guides & useful information

Let us sort your Self Assessment online. £119, all in.

That’s right. No matter how complicated it gets or why you need to do a return in the first place, it’ll cost £119 to get it done. That includes VAT, last-minute changes and all the support you may need.

How it works

1. Answer a few simple questions

And we mean a few. After a couple of minutes of answering questions online we’ll have everything we need to start working on your tax return.

2. Then get paired with a tax accountant

That’s right, you’ll be matched with a real accountant who is best suited to prepare your return. Plus, they’re on hand for questions whenever you need.

3. We file your Self Assessment for you

Once you’ve signed off your return, your TaxScouts accountant will file your return online with HMRC. That’s it! We told you it was simple.