How to Register for HMRC Self Assessment in the UK
Register for UK Self Assessment and get your Unique Taxpayer Reference (UTR).
What You Need
- National Insurance number
- Government Gateway account
- Self-employment start date (if applicable)
Step 1: Check if You Need to Register
Required if self-employed with income over £1,000, rental income over £1,000, or untaxed income over £2,500.
Step 2: Create Government Gateway Account
Go to gov.uk/self-assessment-tax-returns.
Step 3: Register and Receive UTR
Your 10-digit UTR arrives by post within 10 working days.