Communication is the process of information transfer. People are constantly communicating and interacting with other people in the environment, as well as with environment. Communication is inseparable from society, it connects people, puts them in different relationships, builds systems in society and organization systems. Communication is a very complex concept and has been studied in various sciences, from economics, sociology, political science, psychology, ethnology, system theory, and information. Developed emotional competence is a prerequisite for good communication. This paper presents the role and importance of communication in organizations. Communication is considered to be the foundation of the everyday business organization and that makes every organization unique because of its unique communication relationships. Quality and efficient communication is an important factor for successful entrepreneurs and businesses. This paper describes the types, instruments, and methods of communication. Also provides a description of internal communication, as well as formal and informal communication in the organization. Due to the structure of the organization, there are different characteristics and directions of communication. As communication is inherent to people, conflicts arise in their relationships, which should also be understood and known how to be solved. Conflicts should not be considered as bad, but an indication that changes need to be introduced. The manager as a responsible person at the forefront of an organization besides knowing communication should develop excellent communication skills, made aware of their own communication and try to improve communication within the organization. Successful communication within an organization is a prerequisite for organizational success.