Guidance: Registrar's rules 01-11-2023 04:05 PM GMT Rules outlining the form, manner of delivery and method of authentication for documents delivered to Companies House in electronic or paper format. Guidance: Company registrars rules and powers 01-11-2023 09:00 AM GMT What the company registrar's powers are, and how and when they work. Guidance: Reporting scams pretending to be from Companies House 27-10-2023 02:57 PM BST What to do if you think you've spotted a scam pretending to be from Companies House, and examples of scam emails, letters and telephone calls.