Pöyry is an international consulting and engineering company. We deliver strategic advisory and engineering services, underpinned by strong project implementation capability and expertise. Pöyry has an extensive local office network employing about 6,500 experts. As one of the foremost consulting engineers, Pöyry has played a prominent role in tunnelling for over a century. The company provides a full range of services in tunnel planning, design, ventilation, safety, environmental engineering, survey and monitoring, construction management, supervision and maintenance.