STOP PRESS: ECCTA 2023 introduces identity verification requirements for anyone making filings at Companies House. This is anticipated to become compulsory no earlier than November 2027. See Changes under ECCTA 2023 below for more information and timing. STOP PRESS: On 16 March 2026, Companies House issued a statement that on Friday 13 March, Companies House was made aware of a security issue which meant that a logged-in user of the WebFiling service could potentially access and change some elements of another company’s details without their consent after performing a specific set of actions. Companies House have stated that no existing filed documents, such as accounts or confirmation statements could have been altered. However, there is a risk that certain personal details could have been accessed and that unauthorised filings could have been made. While there is limited information available at present, this could potentially include, for example, a satisfaction of charge filing. Companies House has recommended that companies check their registered details and filing history. Lenders may want borrowers to confirm that