Ericsson is one of Sweden's largest companies, is a provider of telecommunication and data communication systems, and related services, covering a range of technologies, including especially mobile networks. Directly and through subsidiaries, it also has a major role in mobile devices and cable TV and IPTV systems. Ericsson was also the inventor of bluetooth.
Founded in 1876 as a telegraph equipment repair shop by Lars Magnus Ericsson, it was incorporated on August 18, 1918. Headquartered in Kista, Stockholm Municipality, since 2003, Ericsson is considered part of the so-called "Wireless Valley". Since the mid-1990s, Ericsson's extensive presence in Stockholm has helped transform the city into one of Europe's hubs of information technology (IT) research. Ericsson has offices and operations in more than 150 countries, with more than 20,000 staff in Sweden, and also significant presences in, for example, Brazil, China, Finland, India, Ireland, Italy, Hungary, the UK and the USA.