Metrostav Norge AS is a holder of a certificate confirming quality management system according to ISO 9001:2016, for implementation of infrastructure projects, bridges, tunnels, and other underground structures. Furthermore, Metrostav meets the requirements for the environmental management system, ISO 14001:2016, and requirements for occupational health and safety management, ISO 45001:2018. Metrostav Norge AS also declares his policies of quality of work, occupational health and safety and environmental protection, in accordance with strategy of the company and sustainable development.