A Complete Guide to the Company Authentication Code
Upon registration, Companies House assigns a unique authentication code to all UK limited companies. This code is issued whether you register online or via paper documents. This article will cover everything you need to know about limited company authentication codes.
What is the Company Authentication Code?
The authentication code is a 6-digit alphanumeric code, made up of numbers and letters, that acts as an online signature for the company. This code allows a company director, or anyone with access to it, to perform important online duties for the company.
You can use this code to make several changes, such as:
- Filing a confirmation statement
- Submitting dormant company accounts
- Filing a return of allotment of shares
- Appointing a new director or resigning an existing one
- Appointing a new secretary or resigning an existing one
- Changing the company’s registered office address
- Changing the company’s accounting reference date
As these changes carry significant weight, you should protect this code carefully, much like a credit card pin number. It’s advisable to only share it with trusted individuals such as your accountant or company formation agent.
If the code falls into the wrong hands, take action immediately. Contact integritycomplaints@companieshouse.gov.uk as soon as possible, providing all necessary details to protect your company’s information.
How Can I Get a Company Authentication Code?
Once you form a company, Companies House will mail the authentication code to your registered office within a few weeks. If you register through a company formation service, the code will be available in your formation agent’s online account.
For example, if you form a company through Startxpress, you can access the code once Companies House approves the application. It will be displayed on their client portal, which is free to use for managing your business’s online filings and company information.
Requesting a lost authentication code
Don’t worry, it happens. If you have misplaced the Companies House code letter and your company isn’t using a next-generation company operating system like Startxpress, you can request a new one to be sent to your registered office. This process is quick and simple.
- Sign in to Companies House WebFiling – or register if you haven’t already
- Click on ‘Request an authentication code’
- Provide your company registration number
- Click on ‘Request code’
You should have the code within 5 days.
How to change your company authentication code
Since the code is randomly generated by Companies House, you might want to change it to something more memorable. However, like all passwords, avoid choosing something obvious, and if you manage multiple companies, use different codes for each.
To change your code:
- Sign in to Companies House WebFiling – or register if you haven’t already
- Click on ‘Company authentication’
- Choose, then re-enter, your new 6 character code
- Click ‘Change code’ – the update will be immediate
Do you have any other questions?
If you still have queries about the Company Authentication Code or anything else regarding UK company formation, feel free to explore additional resources at the Startxpress Help Center and Blog. Our team can assist you with your specific needs and guide you through any steps, feel free to reach out to us via support@startxpress.io.
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