Authentication Code

A code provided by Companies House for your Limited Company for online filings.

What is an authentication code?

An authentication code is a unique code provided by Companies House that serves as a security measure for your Limited Company's online filings. It is used to verify the identity of the filer and ensure the authenticity of the submitted documents.

Where do I find my authentication code?

You can find your authentication code in the official correspondence that Companies House sent to your registered office address. It is usually included in the letter or email along with other important information about your company. If you cannot locate your authentication code, you can contact Companies House directly for assistance and they can send you a reminder.

What format is an authentication code?

An authentication code is usually a combination of letters and numbers. It is typically formatted as a series of six characters, with a mix of uppercase letters and numbers. This unique code is essential for accessing and submitting online filings for your Limited Company.