The 10 second story
A technical glitch at Companies House allowed logged-in users to view and edit other companies’ official data without permission. The government agency has urged all UK businesses to check their records for unauthorised changes made during the breach period.
Why it matters
Your company data at Companies House forms the backbone of business compliance and due diligence processes. Banks, suppliers, and customers regularly check these records before making decisions about credit, contracts, and partnerships. If someone altered your registered address, director details, or financial filings without your knowledge, it could affect your ability to secure funding, win contracts, or maintain professional relationships. The breach also highlights how third parties can access and modify critical business information through government systems, creating potential liability issues if incorrect data leads to compliance failures.
What this means for your business
- Due diligence processes become unreliable if Companies House data integrity is compromised, meaning contract negotiations may face delays whilst parties verify information through alternative sources
- Professional indemnity and compliance risks increase if your official records contain unauthorised changes that contradict your actual business structure or financial position
- The incident demonstrates that government digital services remain vulnerable to basic security flaws, so backup documentation of your official company data becomes more critical for business continuity