Logistics 101
XI-EORI Number
If you move goods between Great Britain and Northern Ireland, you need an XI EORI number. It's a special type of Economic Operators Registration and Identification number used for customs declarations and trade involving Northern Ireland.
Quick Summary
You need an XI EORI number if you move goods between Great Britain and Northern Ireland. It identifies your business for customs under the UK-EU Withdrawal Agreement and is issued free by HMRC within a few days.
What Is an XI EORI Number?
An XI EORI is issued by HMRC to businesses that trade through or with Northern Ireland. While a regular UK EORI starts with GB, an XI EORI starts with XI and links your business to the Northern Ireland customs territory under the UK-EU Withdrawal Agreement. It's used for shipments to Northern Ireland, where customs formalities apply.
Example format: XI123456789000
Why It Matters
Having the correct XI EORI helps carriers, customs brokers, and HMRC identify your shipments instantly — avoiding clearance delays or re-routing costs.
How to Get an XI EORI Number
If you already have a GB EORI, you can apply for an XI EORI through HMRC. Applications are usually processed within a few days. Apply for an XI EORI number on GOV.UK
Before you apply, check you have:
- Your GB EORI number
- Correct business details (name, address, VAT number)
- Evidence that you move goods through NI or file declarations there
How to Apply for an XI EORI (Step by Step)
- Log in to your HMRC account at GOV.UK/EORI
- Enter your GB EORI number and business details
- Confirm that you trade through or with Northern Ireland
- Submit the form and wait for email confirmation from HMRC
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Frequently Asked Questions
about XI EORI number
An XI EORI number is issued by HMRC for businesses trading through or with Northern Ireland. It begins with "XI" and connects your company to the Northern Ireland customs territory under the UK-EU Withdrawal Agreement. It is used on customs declarations whenever goods move between Great Britain and Northern Ireland or when you submit customs paperwork in NI.
You will need an XI EORI if you move goods between Great Britain and Northern Ireland, or if your business files customs declarations in Northern Ireland. It applies to both UK-based and overseas companies that use Northern Ireland as part of their supply chain. If you only trade within Great Britain, the regular GB EORI remains sufficient.
Yes. A GB EORI covers trade within Great Britain, while an XI EORI is required for customs declarations that pass through Northern Ireland. Without the XI prefix, customs entries in NI will be rejected.
Apply directly through GOV.UK. You will need your GB EORI, matching business details, and proof of trade through or with Northern Ireland. HMRC typically processes applications within a few working days.
Most applications are approved within two to five working days once HMRC verifies your information.If additional checks are required, processing may take slightly longer.
No. HMRC does not charge a fee for XI EORI registration. Avoid third-party websites offering paid applications.
If you submit customs declarations without the correct EORI number, your shipment may be delayed, refused, or held at the border. Having the correct GB and/or XI EORI prevents clearance issues and delays.
Yes, in certain cases. Because Northern Ireland follows some EU customs rules, an XI EORI is recognised for EU trade in specific scenarios. For direct GB-EU exports, you still need an EU EORI from an EU member state.
No, XI EORI numbers do not expire, but your details must remain accurate. Update HMRC if your company name, address, or VAT status changes.
Yes. Businesses in Great Britain or abroad can obtain an XI EORI if they move goods through Northern Ireland or make customs declarations there. HMRC may request proof of trade activity or representation in NI.