Effective bank management is a key factor in profitability and competitiveness in the modern banking business. Management accounting provides management information at all levels for decision-making in the field of implementation of current and future activities. Strategic management accounting is a contemporary response to a dynamic business environment. Strategic decisions characterized by the mobilization of all banking resources are crucial in business, so the introduction of new accounting management techniques has become a logical response to new requirements. The subject of research in this paper is to investigate and analyze the specifics as well as the effectiveness of managerial accounting in banks. The paper explores and defines the theoretical frameworks of managerial accounting with an emphasis on the specificities of managerial accounting in the banking sector. The purpose of this paper is to deepen the understanding of the importance of managerial accounting in the contemporary operations of banks. The aim of this paper is to investigate and present in detail the potentials as well as the actual reach of modern accounting management techniques as well as their suitability for making business decisions at banks. The aim is also to evaluate the success of the application of managerial accounting on the example of the selected bank