The core activity of Dr. Vollenweider AG is the provision of services in the field of geotechnics and foundation engineering, particularly: geology and geotechnics, support structures and slope stabilization, excavations and foundations, structural maintenance, tunnel construction, monitoring and geomechanical engineering, as well as expert and special assignments. The company investigates, analyzes, observes, measures, plans and calculates to develop sound knowledge of the ground and to realize construction projects safely and efficiently.