This Practice Note is a summary of the key legal developments that are expected to impact corporate lawyers during 2026 and beyond. It provides all the important dates for your diary and is reviewed and updated throughout the year. To track legal and regulatory developments in relation to specific topics, see: • National Security and Investment Act—progress tracker • UK listing and prospectus regime reform—progress tracker • Dual class share structure tracker • UK Listing Rules tracker • EU Prospectus Regulation tracker (2001–2020) • Disclosure Guidance and Transparency Rules tracker, and • The Economic Crime and Corporate Transparency Act 2023 tracker To track key cases relevant to corporate practitioners, see: Case tracker—2026—Corporate and our archived case trackers in the Trackers and timelines subtopic. To track or identify market developments, see the Market Tracker deal analysis tool, which contains over 5,000 public company deal summaries. In addition, in-depth analysis of recent trends in corporate practice can be found in the various Market Standards trend reports as well as mini-trend and News Analysis pieces,