Cavendish: Who's Who Insight Report

As the Government transitions from foundations to delivery, understanding the evolving architecture behind the scenes is essential.Cavendish’s 2025 “Who’s Who” report provides a definitive, meticulously researched guide to the advisers and teams shaping policy and influence at the heart of Whitehall. With a huge reshuffle, lots of the faces in Westminster have changed or moved.This brand-new edition for 2025 offers:

• A comprehensive overview of the Prime Minister’s senior team and the advisers driving the government’s agenda inside No.10, the Treasury and all other key government departments.
• Insight into the reorganisation of key personnel and the emergence of new power centres.
• Analysis of the relationships and roles that underpin influence across government.

For organisations seeking to engage effectively with government, this report is essential reading.Download the full report to inform your strategy and engagement.