Industry WIKI

The Infrastructure and Projects Authority (IPA) was, between 2016 and April 2025, the United Kingdom government's centre of expertise for infrastructure and major projects. The IPA reported to the Cabinet Office and HM Treasury. The core teams included experts in infrastructure, project delivery and project finance who worked with government departments and industry.

The National Infrastructure and Service Transformation Authority (NISTA), established in April 2025, is a public agency advising the UK Government on infrastructure delivery and improvement. A joint unit of HM Treasury and the Cabinet Office, it combines the functions of the former National Infrastructure Commission and the Infrastructure and Projects Authority.

The National Infrastructure Commission was an executive agency responsible for providing expert advice to the UK Government on infrastructure challenges facing the UK, between 2015 and April 2025, when it was superseded by the National Infrastructure and Service Transformation Authority (NISTA).