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Mace Construct and Mace Consult operate as two independent businesses. Mace Consult launched as a new and independent business on 5 March 2026, through a carve-out from Mace Group. Information, references and materials on this website may represent operations prior to the demerger. Go to Mace Consult here.

John Holland-Kaye

Non-Executive Director

As CEO of Heathrow Airport from 2014 to 2023, John played an instrumental part in transforming it into one of the world’s leading airports. Joining Heathrow Airport in 2009 as Commercial Director and then Development Director responsible for delivering the £1bn annual capital programme, John was a key client for Mace Group for over a decade. As one of Mace Construct’s  Non-Executive Directors he brings with him extensive expertise in leading major infrastructure projects. 

John was previously Divisional CEO with Taylor Wimpey Plc, Managing Director National Sales for Bass Brewers and worked as a strategy consultant with LEK Consulting. John was educated at INSEAD, Cambridge University and is an honorary FRICS.  

John is Chair of the Governors at Bedford School and a member of DEFRA’s Council for Sustainable Business. He was previously a Non-Executive Director at Thames Water and Thames Tideway, and was a member of the Advisory Council of HM The King’s Sustainable Markets Initiative, the Jet Zero Council and a commissioner with the Energy Transitions Commission.

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Mace Consult and Mace Group are now two independent businesses.

In 2025, a majority investment in Mace Consult by Private Equity at Goldman Sachs Alternatives was announced through a demerger from Mace Group.

This completed on 5 March 2026, with Mace Consult and Mace Group (which includes Mace Construct) now independent businesses. To continue, please choose whether you want to explore Mace Consult or Mace Construct.