Transtema Group AB builds, maintains, and manages the operation of various communication networks in Sweden. The company offers operation and maintenance services, including network monitoring, consulting, support, and field services; communication network, including fiber, mobile, copper network, property network, IoT, wireless networks, mobile indoor coverage, and network equipment; electricity, telecommunications, and security product and services, including electricity meters, charging stations, telecommunication systems, and electrical installation services; and data center services. It also provides networking equipment, data storage, IoT solutions. The company was founded in 1997 and is headquartered in Mölndal, Sweden.