BISEG is a civil engineering firm based in Fully, Valais, Switzerland. The company's core activity encompasses the planning, design, and implementation of various construction and infrastructure projects, including: High-rise construction: planning and implementation of residential and commercial buildings, such as apartment buildings, villas, and halls; Civil engineering: planning and implementation of infrastructure projects, such as bridges, roads, reservoirs, and Alpine structures; Specialized engineering: planning and implementation of specialized engineering projects, such as the integration of elevators in existing buildings and the renovation of historic buildings; Seismic engineering: planning and implementation of projects in the field of earthquake protection and seismic engineering. The company also offers services in the areas of project management, construction management, and construction supervision.