The book covers key issues of managing a group of companies from a practical point of view. The focus is on the corporate center, which plays a leading role in increasing the value of the group and its effectiveness as a single economic entity. The book examines issues such as the role and models of the corporate center, its structure and functions, as well as problems in the interaction of the corporate center and business units. In addition, the managerial aspects of group structuring are examined and the features of managing vertically integrated and diversified holdings are examined. Particular attention is paid to the matrix form of the organization and the key factors of its effectiveness. The question-and-answer form allows you to succinctly highlight the most important aspects of the management of holding companies and allows the reader to study only those issues that are of greatest interest to him.