Communication as transfer of information, ideas, opinions or emotions from one person or group to another person or a group is an everyday occurrence. Every human action is a form of communication. In this thesis, the role of communication within organizations, as well as its importance for the functioning of the whole organization have been discussed, and the term organization has been explained. Better communication within an organization can add to the success of every organization.This is especially important for managers, because everything managers do includes communication. Their job consists of numerous meetings, conversations, phone calls, writing reports etc., where verbal and written communication is important, which means they need to further develop their communication skills.In this thesis different forms of communication, communication styles and the communication process will be analysed. The thesis also covers communication problems in organizations as well as possible ways of solving them with the goal of better communication. At the end of the thesis, the culture of communication i.e. organization culture and communication is discussed, where it is evident that the culture of communication has one of the most important roles in organizations, and greatly contributes to better functioning of the organization. Poor communication in most cases leads to substandard results while doing work-related tasks, or results in poor relationships between business associates. It can also be said that there are a lot of obstacles to successful communication and that they can be divided into personal obstacles and obstacles within the organization.Personal communication obstacles are a result of individual characteristics and a persons behaviour in different situations, and they should be reduced to a minimum in order to improve the performance of the organization.Also, it can be noted that the development of communication skills in managers of organizations and the relationship with employees have become a big part of development and improvement of organizations.