The firm has been named preferred bidder for a major new £400m, 10-year Strategic Property Partnership with Staffordshire County Council and the Police and Crime Commissioner for Staffordshire.
The new deal will start in April 2015, with a potential five-year extension and is worth around £40m each year.
Kier will deliver a full range of property services including development, disposal, acquisition, construction, asset management and facilities management.
Also Kier with its joint venture partner WSP has signed a £200m four-year extension of an existing highways services contract with Northamptonshire County Council.
Haydn Mursell, chief executive of Kier, said: “Following the acquisition of May Gurney, these new contract awards demonstrate the breadth of offering the Group can provide through long-term strategic partnerships.”