Key Insights
- Companies House is no longer just storing filings; it is actively checking accuracy and trustworthiness.
- Directors and PSCs must take identity verification seriously throughout the 2025-2026 rollout.
- Overseas founders can verify from abroad, but the agent route must be through a properly authorised ACSP.
- New Companies House fees from February 2026 make old compliance budgets outdated.
- The joint Companies House and HMRC filing service closes on 31 March 2026, so accounts and CT600 planning need attention.
- From 1 April 2026, Company Tax Returns must be filed with HMRC using software.
- Public P&L filing for small and micro companies is paused, not permanently cancelled.
- Registered email is now a real compliance channel, not a throwaway admin detail.
- Foreign-owned UK companies still carry full UK filing duties if they run a UK Ltd.
- The safest move for founders is simple: verify early, file on time, and keep company records clean.
