The article discusses problems associated with decision-making under conditions of uncertainty in the internal and external environment of enterprises. The subject of the study reveals the features of methodological tools designed to increase the level of formalization processes in enterprise management. The aim of the study is to identify the most appropriate methods and approaches to managerial decision-making with regard to risk factors. This paper describes stages of making management decisions, presents the methods used and models of operational decision making, as well as the main methods of their study. It also examines characteristics for classification of decision-making styles. Special attention is paid to issues related to risk management activities. Criteria for management decisions by using fuzzy set theory are developed and relevant examples are given. The article describes the modules of a mechanism of selecting the best decisions under conditions of uncertainty and risk, and a scheme of choosing the best alternative in company management. A scheme of operation of fuzzy variables and consideration of multiple views is presented using the method of Analytic Hierarchy Process (AHP), in which the choice of alternatives is based on risk characteristics. To estimate the weights a method of paired comparison is used. The article presents a practical example of the use of the fuzzy-multiple approach in selecting the best alternative solution to a problem by taking into account risk factors tested at the Branch of the Limited Liability Company «RUS-Engineering», Kamensk-Uralsky, Sverdlovsk region. The use of the tools suggested by the authors of this article, will make it possible to increase the efficiency of business administration at the enterprise. This approach can be used for corporate management in various sectors of the national economy in order to improve the effectiveness of managerial decision-making.