Authentication code

Authentication code is required when come to filing your company’s documents online. The code issued by Companies House. Your authentication code is the electronic equivalent of your limited company director’s/sectary’s signature. The code is made up of 6 digits or mixture with numbers and alphabets.

You may find your authentication code in your company’s incorporation emails sent to you by your company formation accountants.

Companies House will also send your authentication code by letter to your company’s registered office address.

Request your code from Companies House

You may request your code from Companies House again. They will re-send your code by post to your company’s registered office.

Reset or change your code

You may request Companies House to change or reset your company’s authentication code to your preferred or easy for you to remember password. You must put your request in writing and the letter must be signed by your company director.

No access to mails at your company’s Registered Office address

In situation where you no longer able to access mails send to your company’s registered office address for whatever reasons, you may write to Companies House explaining your situation.

Send in the form AD01 to give your new registered office address together with the explanation letter. Companies House will update your registered office address and then re-send the authentication code to your new company’s registered office address. This is a very lengthy process and it could take weeks. Companies House would not send your authentication code to anywhere else except your company’s registered office. They do not accept any excuse.

If your confirmation statement or company account is overdue and Companies House already proposing to strike off your company, our accountants would be able to help you to stop the striking off process and get your authentication code quickly.

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