EORI Number in Northern Ireland
An EORI (Economic Operators Registration and Identification) number identifies your business to customs across the EU. This page explains the Northern Ireland EORI format, how to get one from HMRC (Northern Ireland, under the Windsor Framework), and lets you validate any number instantly.
Note: XI EORIs are for trade involving Northern Ireland and are validated via the EU EORI service.
Northern Ireland EORI format
A Northern Ireland EORI begins with the XI country prefix followed by the national trader identifier.
How to get an EORI number in Northern Ireland
- Confirm your business is established in Northern Ireland (or has the required customs registration there).
- Register with HMRC (Northern Ireland, under the Windsor Framework) using their online customs/EORI application.
- Provide your company identifiers (VAT/tax number, legal name, address).
- Receive your EORI number — usually within a few working days — and validate it below before your first declaration.
Official source: HMRC (Northern Ireland, under the Windsor Framework).
Frequently asked questions
Do I need an EORI number to import into Northern Ireland?
Yes. Any business lodging a customs declaration in Northern Ireland — importing or exporting goods — needs a valid EORI number registered with the customs authority.
Where do I register for an EORI number in Northern Ireland?
EORI numbers for Northern Ireland are issued by HMRC (Northern Ireland, under the Windsor Framework). You apply through their online customs registration service.
How do I check if an EORI number is valid?
Use the free EORI checker on this page. It validates the number in real time against the official European Commission EORI service and returns the registered trader where publicly consented.
Related tools
EORI ValidatorTariff & duty lookupHS Classifier
EORI numbers in other countries
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