Carl Otto Wolter Mannerfelt

Stjärna Fyrkant Svenska AB provides mobile and Internet Protocol telephony solutions including hardware, software, and subscription services. It also offers installation and services based on fixed, mobile, and communication radio. The company was founded in 1996 and is headquartered in Sundsvall, Sweden.

StjarnaFyrkant Nordic AB offers products, services, installation and service, based on fixed, mobile and IP telephony and communication radio. The firm's products such as GPS, taximeter and alcohol interlocks are also part of StjärnaFyrkants product and service portfolio. It is nationwide, and now Sweden's fastest growing chain of communication-based telephony and IT services. The company was formed in 1996, when with the goal of creating one of the main northern-based chains of products and services in mobile telephony. The first store opened in 1997 helprofilerade in Sundsvall. In 2005 the company received a new principal owner by RPE Holding AB. Star Square run by the client to be knowledgeable friend, a reliable partner who, through their expertise, their local presence and its easy to use communication, easily and quickly can help increase efficiency.