Increasing the instability of Ukrainian enterprises, which requires increasing attention to solving the problem of ensuring the required level of financial security requires consideration not only of methodological aspects of creating and adjusting the subsystem in the economic security of the enterprise, but also forming approaches to assessing its management. To develop a methodological approach to assessing the management of financial security of the enterprise used methods: induction and deduction, comparison and systematization – in the study of the essential characteristics of the terms "efficiency" and "effectiveness"; synthesis and analysis – to identify and characterize the essence of the main approaches to management evaluation; morphological analysis – to clarify the list of indicators and determine the sequence of calculation of group indicators; graphic – for visual presentation of theoretical and methodical material; abstract-logical – for theoretical generalizations and conclusions of the study. A methodical approach to assessing the management of financial security of the enterprise, which provides for the gradual definition of individual indicators with their combination into groups of three components: financial security of the enterprise, evaluating the effectiveness of security entities and evaluating the effectiveness of organizational structure and resources. The developed approach is based on theoretical bases, which include: criteria for assessing the financial security of the enterprise; provisions on the interaction of structural units in the process of ensuring the financial security of the enterprise; requirements for input information; principles of formation and use of the evaluation system of financial security management of the enterprise. The formed methodical approach promotes achievement of the key purposes of an estimation: a reliable estimation of management of financial safety of the enterprise as a whole and in a cut of the basic components; determining the impact of factors on the change in the level of financial security, the effectiveness of the actions of security entities and the effectiveness of the use of organizational structure and resources; improving the evaluation process in accordance with changes in the main stages of financial security management of the enterprise and the provisions for ensuring the economic security of the enterprise.