Currently, the trend of globalization of the world economy is intensifying, therefore corporate entities seek to expand their economic power and influence, which encourages them to constantly search for ways to increase the efficiency of their activities both in the domestic and foreign markets. These circumstances force corporate structures to accelerate the pace of development through the introduction of innovations, lower costs and risks. Solving the above problems allows the use of controlling. To carry out controlling in order to reduce risks, it is necessary to have relevant financial information not only external but also internal, in this connection, the role of corporate structures using the internal audit (control) mechanism is growing. The aim of the study is to develop a system of indicators for assessing the effectiveness of controlling in the corporate environment. The main results and conclusions obtained personally by the authors and possessing scientific novelty are as follows: 1. The development of a mechanism for assessing the effectiveness of controlling through the use of an internal audit (control) system and corporate risk management, the use of which allows us to create models that can increase the effectiveness and external attractiveness of the corporate structure. 2. A methodology for assessing the effectiveness of controlling is proposed, algorithms for its development in the corporate structure are modeled, based on strategic planning methods.