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Companies House: Cybersecurity

Asked by Gareth DaviesConservativeDepartment for Business and TradeTabled Answered 19 March 2026UIN 120980

The question

To ask the Secretary of State for Business and Trade, what independent security testing of the WebFiling service was conducted prior to its restoration on 16 March 2026.

Answered by Blair McDougall

The WebFiling service was successfully reopened at 9am on Monday 16 March after rigorous testing. The testing was done in accordance with best-practice security methodologies by government-approved testers, including external specialists.

Companies House takes the security of its systems and data extremely seriously. It operates an ISO 27001:2022-certified Information Security Management System, demonstrating its commitment to robust, independently audited security controls. This approach aligns with recognised government and industry standards.

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