Christian Janin

SmartTrust is a global leader in SIM and Mobile Device Management software designed to provide mobile network operators improved understanding of their subscribers and efficient management of the SIM cards and devices on their network. With its innovative technologies, mobile operators can implement new services quickly and efficiently, and gain knowledge about the needs of subscribers. Over 200 mobile network operators rely on them for SIM device and value added service management as well as dynamic roaming steering. Its customers range in size from new start-ups with fewer than 100,000 subscribers to well-established operators with more than 75 million subscribers. The technology touches more than 1.5 billion people every day and has been implemented by all major SIM vendors. SmartTrust's origins go back to 1974. They have been delivering solutions for SIM management since 1991 and device management since 2002, building on their success by pioneering Over-the-Air (OTA) technology for managing SIM cards, handsets and mobile value added services. By delivering the software tools to manage all of the equipment-SIM and device-in the hands of the subscriber, its systems enable service providers to realize the full potential of their businesses.

Trema SA manages non-residential property. The firm also sells residential, office blocks and individual retail properties. It is headquartered in Levalloi-Perret, France