The article is devoted to the issues of substantiating the choice of digital technology elements for individual subjects (actors) of the grain subcomplex and the development of standards for their digitalization, including considering foreign experience on the example of the BRICS countries. The object of the study is the problematic of the activities of grain market participants, which is presented in the form of a hierarchical business process model. The business model covers various business participants - farmers, processors, suppliers of resources, technologies and equipment, intermediaries (traders), government agencies, etc. The subject of the study is digital tools (services) presented on the domestic market, as well as available in foreign markets, in particular in the BRICS countries ensuring an increase in the efficiency of agricultural producers, considering various production, technical, organizational, and other business conditions. The purpose of the study is to develop approaches to substantiate the standards for equipping various types of producers with digital solutions as a basis for ensuring production efficiency.