Economic Operator Registration and Identification (EORI) numbers
If you are trading with, or thinking of trading with, the EU, you will need a GB EORI and an EU EORI* number for:
Furthermore, if you are a regular trader of goods between Great Britain and Northern Ireland then in addition to a ‘normal’ EORI you will require an XI EORI registration.
*If you need help in applying for an EU EORI number, Avalara can help you.