Transnational corporations today are proving to be an important driver of the world economy. In turn, companies that offer mobile communications services have become important means to build bridges between people and between companies, regardless of their location. To maintain optimal functioning of these organizations, a strong and also flexible “backbone” is needed. A transnational company that is important to the Balkan region, operating in the telecommunications area, is the OTE SA company, based in Greece. The company formed together with its subsidiaries the OTE Group. The OTE Group carries out activities in Romania through the mobile subsidiary Cosmote Romania, which was imposed in our country as a major mobile operator.