Send your Authentication Code

To get started with your Register of Overseas Entities update you will need to obtain and send us your Companies House authentication code. Please follow the instructions below.

To obtain your Companies House authentication code. You will need:

  • Basic details to search for the entity.
  • A Companies House online account (one can be created in a few simple steps, see below).
  • Access to the email address held on record for the overseas entity to receive the code.


1. Find your Overseas Entity listing here, on the Companies House page.

2. Click  Request Authentication Code on your company’s listing page.

3. Log in to request your code (or Create an Account). Your code will be emailed to the email address Companies House has on file for the entity.

4. Submit your details using the form on this page (if you have many entities and would prefer to email us, please send the information to [email protected].)

Need help?

If you need help, please give us a call on +44 (0) 203 286 6229 or email [email protected].

Send us your Code

Please provide your first and last name.
Please provide a contact email address
Please enter the full legal name of the Overseas Entity
The authentication code is a unique 6 character code.
This field is for validation purposes and should be left unchanged.
Get Started Find out how we can help

We’re here to keep things simple

If you would like to find out more about our services and how we can help support your business, please get in touch.

+44 (0)203 286 6229