top of page

What is an Authentication Code?

​

​

An Authentication Code is a 6-digit alphanumeric code that acts as a password when filing documents to Companies House or making changes to company details. An Authentication Code is issued by Companies House when you first register a limited company.

​

If you have lost your Authentication Code, please click the link below to request it:

 

Your accounts cannot be filed to Companies House without your Authentication Code.

FAQs

bottom of page