The agro-industrial complex of Ukraine is one of the most relevant segments of the national economy, which ensures the appropriate level of food security of the regions and the country in general, and also forms its significant export potential. The authors of the article investigated the essence of modern EU agrarian policy and the necessity of its implementation in our country. Methodological approaches to assessing the impact of agro-industrial enterprises on the comprehensive development of territorial communities in the conditions of decentralization of power have been developed. Solving the problem of food security, both at the national and global levels, primarily depends on the effectiveness of the use of mechanisms to ensure the functioning of the agrarian sector of the economy and related areas. The authors indicate that European agricultural policy is characterized by a long period of its formation. The prerequisites for its formation and implementation were the complex problems of ensuring food security. The author points out that the transformation of the policy for the development of agro-industrial production and rural areas emphasized the formation of a new quality of the rural landscape and ensuring the viability of rural communities, the diversification of the economy of rural areas, the improvement of the quality and safety of food products, the improvement of access to public services, the application of the policy of equalization of regional development. What contributed to the expansion of the circle of participants interested in increasing the efficiency of the economic, social and ecological development of rural areas, creating prerequisites and forming partnerships between state and private organizations, civil society with application to the principle of subsidiarity. The article indicates that the development of agro-industrial production and rural areas. First of all, it concerned the balancing of economic growth and consumption of natural resources together with the problem of waste accumulation. In the documents of the Council of Europe, issues regarding the growth of the economic and social efficiency of agro-industrial production were emphasized in parallel with the sustainable use of natural resources, the limitation of waste, and the preservation of biodiversity and ecosystems.