TK CONSULT AG, founded in 1995, is a well-known service provider in the field of numerical modeling of ground- and surface water as well as of 3D-CFD simulations of complex physical systems. Our numerical results and expertise serve planners, engineers and policymakers as the basis for their decision processes concerning water and drinking water management, wastewater treatment, hydraulic engineering, water supply and risk analysis. In addition to a profound knowledge of various simulation software as e.g. SPRING, BASEMENT or OpenFOAM, in-depth know-how of different programming languages allows us to provide individual and customer-specific products.