Consisting of the parent company OTE S.A. and its subsidiaries, the Group offers fixed-line, voice, broadband, data and leased lines and mobile telephony services in Greece and Romania, as well as mobile telephony services in Albania and Bulgaria. The Group is also present in Serbia through its 20% stake in the country's incumbent operator, Telekom Srbija. OTE Group is also involved in a range of activities in Greece, notably in real-estate, satellite telecommunications and professional training. OTE Group employs approximately 30,000 employees in 5 countries (Greece, Romania, Servia, Bulgaria and Albania).
OTE is among the five largest listed companies, with respect to capitalization, in the Athens Stock Exchange and also trades on New York (NYSE) and London (LSE) Stock Exchanges.
The Greek Government holds 25% of OTE's share capital.