Kier Group plc is primarily engaged in the construction business in the United Kingdom and internationally. It operates through four segments: Construction, Infrastructure Services, Property, and Corporate. The company constructs power stations, roads, bridges, railways, and tunnels, as well as buildings for public and private sectors, including schools, hospitals, defence estate optimisation, commercial, residential, and heritage buildings for local authorities, the Ministry of Justice, other government departments, and prisons. It also provides maintenance services for UK road, rail, and utilities infrastructure, reactive repairs, water and network services, mechanical and electrical engineering, fabric maintenance, and cleaning, grounds maintenance, security, and pest control services. Additionally, it invests in and develops property schemes and sites. Kier Group plc was incorporated in 1992 and is based in Salford, United Kingdom.