PORR operates as a construction company. It offers building construction services for offices, hotels, universities, apartments, administrative buildings, industrial facilities, and football stadiums. The Company also provides civil engineering and infrastructure construction services in the fields of tunnel construction, bridge construction, railroad construction, power transmission, foundation engineering, power plant construction, and engineering construction. In addition, it offers various services in the environmental engineering, healthcare, and services sector, including environmental projects, identifying contaminated sites and project planning, process development and plants, renewable energies/waste treatment, and water supply and sanitation.