ENNowadays in information age telekommunication services play very important role in economy and social life of olmost every country. When telecommunication world turned from monopoly to competotion, from rcfulation to liberalisation, situation in marketplace became much more uncertain. Thus, market research and forecasting became important work fields in telekommunication enterprise activity. Market research is almost major field of marketing research. Telecommunication enterprise needs service’s market research for the following purposes. Firstly, market research can give an answer how to survive in hard coditions of competition, how better to satisfy customer’s needs. Because of market features is changeable, the telecommunication services providers shoud find these answers every day. Secondly. Market research decreases wrong decision-making risk. And it is very important in competitive market. The third source of demand for market research data arises when companies trying to support or to expand their own market share. Fourthly, no one company can manage without market research when the new product or service is introducing into market.