Register for a UK Economic Operator Registration and Identification (EORI) number.

Decide whether a customs agent will be used to make import and/or export declarations, or whether declarations will be made by the business via software.

Contact the organisation responsible for moving goods (for example, the haulage firm) in order to ascertain whether the business will need to supply additional information to complete safety and security declarations, or whether it will need to submit these declarations itself.