King’s private secretary Michael Evans will join the agency as a partner in February next year.
During his five years working with King, Evans has provided counsel on comms and presentation around issues including climate change, obesity and the foot-and-mouth crisis, as well as advising on the policy implications.
Madano lists BAE Systems, the Department for Work and Pensions and Arsenal Football Club as clients.
The agency’s MD corporate practice Charles Reynolds claimed: ‘There’s very few people in the UK who have been so close to the key issues driving the agenda today.’