This blog provides an overview of the various numbers that are relevant to UK companies.
Company Registration Number
The Company Registration Number (“CRN”) is issued to a company’s registered office upon the successful registration of a company.
This includes the following most commonly used entities:
- Public limited company (“PLC”);
- Private company limited by shares (“Ltd, Limited”);
- Private company limited by guarantee;
- Private unlimited company (either with or without a share capital)*;
- Limited liability partnership (“LLP”)*; and
- Limited partnership (“LP”)*.


