Intobyte Pte Ltd is a Singapore-based spin-off company specialising in the domain of digital twins and computational modelling of transportation systems. Their main product is CityMoS (www.citymos.net), the City Mobility Simulator, a high-detail and high-performance virtual testbed for almost all mobility-related challenges. For example, CityMoS has been used to support Singapore’s charging station infrastructure planning, to optimize traffic flows in congested urban environments and to study new modes of public transport, including autonomous shuttles. It has also been used as a digital twin for vehicle fleets (logistics, buses, taxis) to optimize their operation and plan their electrification.