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From 2026 Boards must declare the effectiveness of all material controls Executive Summary From financial years starting on or after 1...

When boards fail to declare internal control effectiveness under Provision 29, the real damage often comes from costs that don't appear on any compliance budget. From share price impacts of £40M+ for major companies to increased borrowing costs and talent recruitment challenges, the hidden costs of non-compliance can dwarf the investment needed for proper preparation.

Starting January 2026, UK premium-listed companies face new board accountability requirements under Provision 29 of the Corporate Governance Code 2024. Boards must now annually review and publicly declare the effectiveness of all material controls—from financial to operational systems. This comprehensive guide breaks down the three core requirements and shows how to turn compliance into competitive advantage.