Founded in 1866 as a steam boiler review association in Germany, TÜV SÜD is today a globally active company. More than 25,000 employees at more than 1,000 locations in around 50 countries ensure the optimization of technology, systems and know-how. TÜV SÜD Schweiz AG is a growing company of the internationally active TÜV SÜD Group and is represented in Basel, Winterthur and Zurich (headquarter). In Switzerland, we provide high-quality technical services in the areas of process safety in the chemical industry, railway engineering and rail testing (TÜV SÜD Schweiz Rail), plant safety and management service. With a comprehensive range of testing, certification and training services, TÜV SÜD Schweiz Rail supports manufacturers, operators and authorities in the railway sector. TÜV SÜD Schweiz Rail stands for highly specialised services related to the equipment of railway systems, in particular from control and safety technology to railway energy supply systems, telecommunications systems and vehicle technology. In addition, TÜV SÜD Rail has international accreditations and approvals as a testing and certification body, as notified body (NoBo), designated body (DeBo) and assessment body (AsBo). Since July 2021 we can offer testing services with our own testing department  for rail vehicles in Winterthur.