Ericsson dates back to 1876, when it was established as a telegraph equipment repair shop by Lars Magnum Ericsson in Stockholm. Mr Ericsson's focused on improvinging technical quality of telephones and the company increased the usage of telephony in Stockholm by the late 1800s. With the merger of AB LM Ericsson & Co and Allmänna Telefon AB, Ericsson became a registered limited liability company with the name Telefonaktiebolaget LM Ericsson.

Ericsson Head Office is located in Stockholm, the capital of Sweden. All Ericsson’s central functions and most of the product and business development within the business units GSM and 3G, Services and Systems are based here. Marketing and sales for the Nordic and Baltic regions are also based in Stockholm.