As a common model of tracking best players on the market and an efficient technique for getting better business results, it is obvious that Benchmarking has an unguestionable significance today. Despite of variable Market aspects, better business results are trying to be achieved by implementing economic theory in solving specific economic problems in a given economic situation. As an analysis and experience implementation of the leading Market Players, Benchmarking is a great comparative tool and can be set as a starting point when planning the new Business strategy for a company. Due to the availability of a high number of information about the business of leading companies, the usage of Benchmarking has become very popular today, which makes the business trends predictable and reachable. A company is realising their interests on the Market by fullfilling their own needs together with satisfying the needs of the society. The goal of the Market Analysis is to detect what does the Market actually need, what is already being offered on the Market and the task is to define the target Market. On the other hand, one needs to consider manufacturing costs and offered price that needs to be in accordance with the target market and prices offered by the competitors. Electronic Communication Market in Croatia is currently facing a transformation phase encountered by the higher requirements for accessing information of the end users, as a result of their higher possibilities. Telecommunication Market in Croatia starts from the long lasting Monopoly, which transformed into Oligopoly ending as a Competitive Market. On the Telecommunication Market, term Leading position is quite well known. Unlike Oligopoly characterized by high interdependency of the actions of all participants, here the participants are acting relatively arbitrarily. T-HT Groupation is a leading Company on the Croatian Telecommunication Market with over 45% stake in the Mobile Network Operator Segment, which insures them a leading position on the Market. Similar situation has VIP-net, which is often close to the critical value of 40%. In business strategy one needs to choose the frame to act in, intensity of business place investments and define the means and jurisdictions, sinergy inside the Organization and allocation of Business resources. Liberalization of the Telecommunication Market allows attracting Capital for investing in Telecommunication Networks and introducing new services, increasing the number of Telecom Operators and service providers, competing with each other which results with higher quality of service. By introducing liberalization, all the operators have got an increase of competitiveness , which helps them balance the big loss in the Telephone Services segment with a huge growth of demand in Internet and Television segment.