§ VAT FORMAT — IE

Ireland VAT number format

Prefix IE · 7 digits + 1 or 2 letters, or 9-character format with second character a letter

§ PATTERN

7 digits + 1 or 2 letters, or 9-character format with second character a letter

^IE(\d{7}[A-Z]{1,2}|\d[A-Z]\d{5}[A-Z])$

§ EXAMPLES

Synthetic examples — do not represent real registered businesses.

§ NOTES

01
Revenue Commissioners issue several historical formats — all still valid.
02
Older formats include a letter mid-number; modern ones place letters at the end.
03
Always validate against VIES for cross-border supplies.

§ VALIDATION SOURCE

VIES

EU numbers are validated against the European Commission VIES service. Countersure VIES integration is on the immediate roadmap.

Verify a Ireland VAT number now.

§ OTHER COUNTRIES