[4] During 1997, Mace achieved a major breakthrough when it bested Bovis to be appointed as the project and construction manager on British Airways' Waterside headquarters at Heathrow.

[2] Around this time, Mace was reportedly in talked with an unidentified party interested in acquiring the firm, but no such deal emerged, allegedly due to the 2007–2008 financial crisis.

[23] The company also cofounded the National Home Decarbonisation Group (NHDG) with the goal of undertaking the high-quality retrofit at scale of Britain’s housing stock.

[27] Mark Reynolds, chief executive of Mace, also repeatedly criticised the British government for its mixed messages over elements of the High Speed 2 project.

[35][36] In May 2024, Mace, under a joint venture with Systra, was selected to create an integrated transport system at a major Indian railway station.