United Kingdom Tax ID Numbers
Unique Taxpayer Reference (UTR)
For Individuals, Example: 2955839665
The unique taxpayer reference (UTR). The format is a unique set of 10 numerals allocated automatically by HMRC for both individuals and entities who have to submit a tax return. Although used on tax returns and some other correspondence, the UTR is not evidenced on a card or other official document.
National Insurance Number (NINO)
For Individuals, Example: AA 12 34 56 A
The National Insurance Number (NINO) consists of two letters, six numbers and a suffix letter A, B, C or D (for example DQ123456C). All individuals living regularly in the United Kingdom are either allocated or can be issued with a NINO. A NINO is issued automatically to young people living in the UK when they approach the age of 16.
VAT Number (VAT)
For Entities, VAT, Example: GB723453785
The United Kingdom VAT number can be a 9-digit number, a 12-digit number followed by a 3-digit branch identifier, a 5-digit number for government departments (starting with GD) or a 5-digit number for health authorities (starting with HA). The 9-digit numbers use a weighted checksum.