The article examines the theoretical-methodological and scientific-practical aspects of the process of forming the competitiveness of agribusiness enterprises. Taking into account the results of the analysis of the historical transformation of scientific thought in the field of competition and competitiveness, the stages of development of the theory of competitiveness of enterprises are highlighted. The structural-functional model of the formation of the competitiveness of an agribusiness enterprise is considered, which formalizes the process of transformation of the components of its existing resource potential and their combination under the influence of the institutional environment of competition. The classification of competitiveness factors is analyzed, which takes into account the regularities of the process of its formation and is based on such classification features as the nature of participation of factors in creating competitive advantages and the scope of their occurrence. The concept of competitiveness management, covering its principles, functions and mechanism, is substantiated. The competitiveness management mechanism includes methods, tools, levers and incentives 3 of purposeful influence on the economic activity of the enterprise in order to create sustainable competitive advantages. The scientific and methodological provisions of the study of the process of forming the competitiveness of agribusiness enterprises, which take into account the peculiarities of the functioning of the agribusiness entity, as well as the degree and nature of the influence of external and internal factors of competitiveness, have been studied. The process of studying the competitiveness of an enterprise includes such methodical procedures as comprehensive diagnostics of competitiveness and analysis of external conditions. It is proved that the choice of the methodology for assessing the level of competitiveness should be based on the features of the information support of agribusiness enterprises. When accessing competitor data, it is recommended to use multivariate methods, including principal component and taxonomic analysis methods, to assess competitiveness. Otherwise, it is advisable to use integral and expert evaluation methods.