Company Registration Number (CRN) on the Invoice in the United Kingdom

A company registration number (CRN) is a unique identifier for the business. It is an 8-character code that is obtained when the business registers with the UK Government’s business registration authority.

The basic purpose of this number is to track and identify the business and is used for various purposes such as operational, taxation and financing, as examples.

Example of a Company Registration Number

• CRN: 01234567
• CRN: AB012345

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