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Registering for Self Assessment and National Insurance contributions if you are a self-employed sole trader

About you

This is the ten-digit reference number shown on any Self Assessment returns, correspondence or letters.
If you are not sure how to answer this question go to hmrc.gov.uk/residence

About your business

If your business does not have a name leave this box blank
If you intend working as a subcontractor in the construction industry you need to register with the HMRC Construction Industry Scheme (CIS) For more information go to hmrc.gov.uk/cis or phone 0845 366 7899. You still need to fill in the rest of this form to register as self employed.
If your business address is the same as your home address leave this box blank
If you are going to do all the work for one person or firm, you may be an employee. To check your employment status go to hmrc.gov.uk/calcs/esi.htm or visit any HMRC office

Declaration

I declare that

  • the information I have given on this form is correct and complete to the best of my knowledge and belief.
  • I will tell HMRC straightaway if my self assessment or self employment circumstances change in a way that affects the answers I have given on this form.