Modern business necessitates a number of ways of achieving the goals efficiently and thus achieving competitive advantage while business communication is one of the tools for successful functioning. Trends, globalization, ICT progress, and so on, definitely demand rapid flow of new informations, efficient processing and subsequent use of business. It is therefore a key role of a manager who through communication skills should lead the whole organization to success, but also to create a positive working atmosphere in which employees will feel respected and accepted when presenting ideas, criticisms and similar. Apart from the emphasis on the establishment of efficient internal communication and a positive working atmosphere, emphasis is also placed on the importance of organizational and environmental communication, from business partners, suppliers to end-users, creating a complete supply chain whose connections are strengthened through communication and negotiation which largely improves business. In order for this to work, it is important to use information and communication technologies that facilitates business processes. Thus, in this final paper, the importance of modern business communication, the simple defining of its definition and characteristics, and the more complex presentation of the use of modern technology for the purpose of enhancing it, has been emphasized, which also makes business more prosperous. Therefore, the aim of this paper is to present business communication as a tool for modern business, which, with the help of modern technology trends, is sure to achieve business goals and establish a competitive advantage. Writing work has been approached by the method of deduction, with an explanation of the scientific principles of the observed problem. In addition, quantitative methods of analysis, synthesis and comparison were used.