Public offers and admissions to trading regime: new rules come into force

On 19 January 2026 the UK’s new public offers and admissions to trading regime comes into force. Together with updates to the listing regime made in July 2024, the changes represent a crucial modernising step in the ongoing revitalisation of UK capital markets. Among other things, listed companies should find it easier, quicker and cheaper to raise further funding in a secondary capital-raising and to offer their own shares as consideration in a takeover.

This briefing summarises the key points relevant to offers of shares and other ECM transactions and takeovers.