To date, information technology is becoming increasingly widespread. The article deals with the selection of a supplier using the ranking based on the method of analysis of hierarchical structures. The purpose of such a description is to increase the degree of objectivity of decisions taken when selecting the supplier's choice by developing tools for a formal assessment of the judgments of experts. The information-management system of the enterprise as an object for the application of the DSSR is investigated. The choice as a means of implementing the DSS "Solution" is justified by the fact that the system has a convenient and adapted interface for the end user, has all the necessary means of implementation and does not require additional financial investments in the developed system of support for making managerial decisions. From the proposed alternatives, the most rational supplier for the organization was selected by the set criteria. The proposed criteria and alternatives are presented in the form of a hierarchy.