The core activity of Hofer Ingenieure AG is the provision of services in the fields of transportation, environment, and noise. Specifically, this includes: Transportation: road space design, traffic assessments, 30 km/h zones, encounter zones, signaling and marking plans; Environment: environmental consulting, noise assessments, noise protection certificates, sound protection certificates, noise consulting, noise measurements, noise forecasts; Consulting: expert consulting for federal, cantonal, municipal, corporate, and private clients in the areas of transportation, environment, and noise. The company produces demanding assessments, comprehensive plans, and offers expert consulting services.