Chiastek is a privately owned company (SMB), headquarter in Toulouse with subsidiaries in Chicago US and Düsseldorf Germany. The company delivers software products addressing Model Based Systems Engineering. Main target is to provide high value added solutions for verification of complex products in the aerospace, automotive and communication industry. With customers around the globe, Chiastek has a proven track record of industrial use cases solving coupling and other co-simulation issues at design-, test- and analysis-process. Big players like Airbus, Boeing, GM, PSA, Toyota and Others are customers using CosiMate´s unique co-simulation bus-architecture in their daily operation. CosiMate is a platform for engineers performing modeling and simulation of an overall system made of hydraulics, mechanicals, electronics, or other components. CosiMate is mainly used in automotive and aerospace industry. The industry copes with increasing system complexities, causes to fail during design phases and diversification of system component supplies. System simulation is the suitable method to address new development challenges with the result of shorter time to market. Without changing the simulation familiarity and learning a new tool, CosiMate´s bus-architecture enriches simulation environments through native coupling to any other tool in use by colleagues, partners and suppliers. Collaboration between engineers of different disciplines is enabled and multi-physics co-simulation enriches engineering work.