Northern Ireland VAT Numbers
Format, rates & examples
Everything you need to know about Northern Ireland Value Added Tax (VAT) numbers — format rules, current rates, and real company examples you can verify against VIES.
VAT Number Format
Structure
XI + 9 digits, 12 digits, or GD/HA + 3 digitsExample format
XI123456789Regex
^XI(\d{9}|\d{12}|(GD|HA)\d{3})$VAT numbers are not case-sensitive — lowercase input is automatically normalised.
Current VAT Rates
Standard
20%
Reduced
5%
Rates from EU Commission TEDB · Updated 2026-04-02
Frequently Asked Questions
What is the Northern Ireland VAT number format?▾
Northern Ireland VAT numbers follow the format: XI + 9 digits, 12 digits, or GD/HA + 3 digits. Example: XI123456789. VAT numbers are not case-sensitive — lowercase input is automatically normalised.
What is the Northern Ireland VAT number regex pattern?▾
Use this regular expression to validate Northern Ireland VAT number format locally:
^XI(\d{9}|\d{12}|(GD|HA)\d{3})$Test against the uppercase number. Format validation catches typos locally.
What is the standard VAT rate in Northern Ireland?▾
The standard VAT rate in Northern Ireland is 20%. Reduced rates: 5%. Rates are sourced from the EU Commission TEDB and updated daily.
What does VAT stand for in Northern Ireland?▾
VAT stands for Value Added Tax — the Northern Ireland name for Value Added Tax (VAT). It appears on Northern Ireland invoices and tax documents.