Amberg Engineering is a specialised engineering firm for the design and project management of underground works. For more than 50 years, Amberg has been developing solutions in the fields of underground railways, roads, metros, caverns, hydro power projects and infrastructure tunnels. We are one of the world's leading engineering companies in underground construction with offices in Europe, India and Singapore. We provide clients with professional and cost-effective solutions, from planning, design, site supervision and commissioning through to renewal and refurbishment of structures. Alongside this, our expertise includes project management and consulting, ventilation and safety as well as inspections and state assessments. Amberg Engineering is proud to be the designer, among other large tunnels, of the longest railway tunnel in the world, the Gotthard Base Tunnel.