Self-employed: National Insurance


Tell HMRC about a change to your personal details

Tell HMRC if you've stopped being self-employed

Tell HMRC you're a new business, new employer or new to VAT

If HMRC needs to contact you about anything confidential they’ll reply by phone or post.


Phone HMRC:

  • if you’re self-employed and have a National Insurance enquiry or need to report changes to your personal details
  • to register for National Insurance, Income Tax and VAT if you’ve recently become self-employed

0300 200 3500

0300 200 3519

Outside UK:
+44 191 203 7010

Opening times:

Monday to Friday: 8am to 8pm
Saturday: 8am to 4pm

Closed Sundays and bank holidays.

Find out about call charges