Kier Group plc primarily engages in the construction business in the United Kingdom and internationally. The company operates through three segments: Construction, Infrastructure Services, and Property. It constructs power stations, roads, bridges, railways, tunnels, and buildings for public and private sectors including schools, hospitals and prisons; and provides maintenance services for the UK road, rail, and utilities infrastructure, as well as reactive repairs. The company also offers maintenance and compliance services; housing maintenance; and facilities management services, such as cleaning, grounds maintenance, security, and pest control, as well as environmental services; and invests in and develops property schemes and sites. In addition, it provides design and business services, including project and programme management, architecture and landscape design, civil and structural engineering, building services engineering, building information modelling, cost management, strategic estates advice, building and condition surveys, ICT design and installation, business case development and feasibility, and advisory services. The company was incorporated in 1992 and is based in Salford, the United Kingdom.