A significant shift in UK corporate governance has officially begun to take effect, as Companies House implements mandatory identity verification for all individuals associated with UK companies. This landmark reform, stemming from the Economic Crime and Corporate Transparency Act 2023, aims to bolster transparency, combat economic crime, and enhance the reliability of the UK’s company register. 

While the voluntary identity verification period commenced on April 8, 2025, the mandatory requirements will be rolled out progressively. From Autumn 2025 (exact date to be confirmed by Companies House), identity verification will become compulsory for new directors and Persons with Significant Control (PSCs) on company incorporations and new appointments. This will also mark the start of a 12-month transition period during which existing directors and PSCs must verify their identity, often in conjunction with their company’s annual confirmation statement filing. By Spring 2026, it is expected that all third-party filers will need to be registered as an Authorised Corporate Service Provider (ACSP), and identity verification will be a compulsory part of filing any documentation. 

The move marks a departure from previous practices, which allowed for a degree of anonymity that could be exploited for illicit activities such as money laundering and fraud. By requiring robust identity checks, Companies House gains greater assurance about who is truly behind UK businesses, fostering a more trustworthy and secure business environment. 

Individuals can verify their identity directly with Companies House through the GOV.UK One Login service, typically involving photo ID and facial recognition technology. Alternatively, individuals can opt to verify their identity through an Authorised Corporate Service Provider (ACSP), such as an accountant or solicitor, who has been able to register with Companies House as an ACSP since March 18, 2025, and adheres to anti-money laundering (AML) regulations. 

Failure to comply with these new identity verification requirements carries significant consequences. Companies House will reject filings, and individuals and companies could face financial penalties, disqualification, or even the striking off of the company from the register. This underscores the critical importance of swift compliance for all affected parties. 

The phased implementation, starting with voluntary verification in April and moving to mandatory requirements from Autumn 2025, signals a new chapter for UK corporate transparency, demanding greater accountability and integrity across the board. Businesses and individuals are urged to familiarise themselves with the new regulations and take immediate steps to ensure compliance. 

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