With the development and expansion of technology, a large number of companies apply various processes and activities to achieve as many regular and satisfied customers in order to achieve long-term relationships that will result in better business results and increased market share. Companies that base their business on the application of innovative solutions and technological resources will be most helped by continuous investments in the development and improvement of business processes and work activities in which they will develop and create their own business strategies. Continuous improvement and development of work activities and business processes is a long and extensive process in which it is necessary to apply numerous market studies and research of its active participants. The primary goal of conducting business processes is to constantly build a superior service to each customer that finds its foothold in the continuous introduction of innovative solutions and technological resources to achieve maximum customer satisfaction who will continue to pass on their positive experience to new potential customers in a competitive market. Due to the increasing rapid development of the market and its distinctly dynamic character, companies are forced to apply new ideas and innovative technologies in their own business processes and work activities in order to achieve maximum optimization and efficiency of the business system in the telecommunications market. Companies are trying to keep up with multiple changes and innovations that appear in the market that cause a large number of unexpected difficulties and delays in business processes, so efficient disposal and management of technological resources and innovation is a fundamental factor for future business strategies leading to preservation and continuous growth. market share. The main purpose of applying technology and innovation in swearing is to create added value for each customer and create their own competitive advantage in order to develop a superior service that will enable the achievement of ultimate customer satisfaction. In order to better understand the topic and theoretical concept of efficient application of telecommunications services, the paper will conduct a thorough analysis of the assessment of financial efficiency of competing companies A1 Croatia d. o. o. and Hrvatski Telekom d. d.