The organizing function has an important task, and that is to determine the roles of the people who work together. People will work better together if they know exactly what their roles are and what tasks they have to perform. Only a quality organization can ensure that the organization's resources, both material resources and human resources, are used in the best possible way. The organizational structure of a company consists of the following five elements: organization of material factors, organization of human factors, organization of task parsing, organization of management, organization of timetable of the work order. Among the factors that cause changes in the organization, especially the environment of the organization is highlighted, changes occur more frequently and come unexpectedly, which is why the environment is one of the most influential factors in changing the organization. The environment can be technological, demographic, social, institutionally legal, political, international and economic. T - com is selected as an example of the organizational dynamics of the company and its impact on the design of the organizational structure. The company is organized into several functional segments or functional units, namely: business units, support and management functions, technical functions and functions for the user experience. By regularly researching employee satisfaction and engagement, the company takes care to ensure measures that support the work-life balance of its employees.