Apply for a test account for developing filing software

Use this form to apply for a test account for developing Companies House filing software and testing submissions.

Before you apply, make sure you understand the technical interface specifications (TIS) for Companies House software (opens in new tab). We recommend saving this link, you may need to refer to it later.

What you'll need

You'll need to provide your:

• name
• phone number
• email address

Software provider details

If you work on behalf of a software provider, you'll need to give the software provider's:

• name
• address

If you do not work for a software provider, you'll need to give your own address instead.

Types of software filing submissions

We'll ask you what type of submissions you need to test. You should test submissions for all filing types users will be able to submit using the software.

Find information about Companies House input XML schemas (opens in new tab) for different filing types.