Haughey stepped-down as head of Severfield Rowen in January after the firm’s performance was hit by cost overruns on the Cheesegrater tower project in London.
Haughey spent six years at Severfield Rowen after joining from British Steel.
William Hare said: “The Board of William Hare Group is pleased to welcome Tom into the company where his experience and in-depth knowledge of the sector, its operations and key players will help William Hare progress its strategic ambitions.”
Haughey will join the company on 2nd September, 2013.