TeliaSonera Logo — TeliaSonera is the dominant mobile operator in Sweden and Finland. It also operates in other countries such as Norway, Denmark, Estonia, Latvia, Spain, Russia and Turkey, with a total of 150 million users (2010). Its headquarters is located in Stockholm. TeliaSonera is a corporation incorporated under the laws of Sweden.
TeliaSonera is the result of the merger of Telia and Sonera. The merger took place in December 2002 and brought together two of the leading telecommunications companies in the Nordic region (Sweden-Finland in particular). Formed a leading telecommunications group in the Nordic and Baltic regions, with strong market positions even in Eurasia, Russia and Turkey.