The company Schopfer-Niggli is an engineering firm specializing in various areas of construction and infrastructure. The core activities include: planning and implementation of infrastructure projects, such as roads, bridges, railway lines, airports, and water management facilities; construction and renovation of buildings, such as schools, administrative buildings, residential buildings, and industrial halls; environmental studies and planning, including noise protection and water management; project management and monitoring for construction and infrastructure projects; and expert opinions and reports for construction and infrastructure projects. The company thus offers a wide range of services, from planning and implementation of infrastructure projects to environmental planning and monitoring.