UK Services

Companies House Authentication Code

Retrieve or reissue the 6-character Companies House authentication code required for online filings.

Starting From

£29

One-off professional fee. HMRC / Companies House government charges (if any) included.

🔒 Secure handling · UK-compliant

What's included

Everything you need for companies house authentication code — handled by our specialists so you can focus on your business.

New authentication code requested from Companies House

Delivered to the registered office address

Required for all WebFiling and online submissions

Guidance on secure storage and use

Fast turnaround — typically 5 working days

A simple, transparent process — most clients complete this in under a week.

We submit the authentication code request to Companies House.

Companies House posts the 6-character code to your registered office.

Use the code to file confirmation statements, accounts and changes online.

Message us on WhatsApp for a free consultation and fixed-fee quote.