IDEAconsult Ltd. is a SME providing consultancy, technical services, and software development in the areas of chemoinformatics, QSAR, and data mining since 2004. The company currently leads the Data Warehouse WP of the ToxBank FP7 project, as well as the Database implementation and development WP of the eNanoMapper FP7 project, after successfully leading the framework implementation in the earlier OpenTox project. It develops and maintains several well-known and widely used open source software products, in particular Toxtree (used, for example, in the application of the threshold of toxicological concern), Toxmatch (for encoding and applying chemical similarity indices) and AMBIT, a QSAR decision support system, including generic database management, structure conversions, and searching, as well as applicability domain assessment. These tools have been carefully designed and developed in close co-operation with academia, regulatory bodies, and the industry.