Currently, many companies engaged in the production of medium-term turnover goods, are faced with the need to create a high-level design of a software complex that allows them to support a full cycle of sales planning, production, logistics and marketing campaigns. This is due to the economic development of the enterprise and the integration of independent software systems/modules that allow for the implementation of limited business processes without connection with related functions and business processes of the enterprise. Thus, enterprises find themselves in a situation where various departments have implemented a disparate set of information systems and software modules within which local accounting and analytics of various operations are carried out, while the software and analytical complex as a whole does not provide a complete, connected and cyclical planning process. This paper presents a model of requirements for functions, information objects and data flows, providing end-to-end planning, as well as an approach to identify missing objects of the existing information complex of the enterprise. An analytical network consisting of missing elements has been developed, taking into account the dependencies and interrelationships of information objects and software modules, which makes it possible to form a priority vector of the relative importance of software components. This vector represents a set of priorities for improvements to the enterprise software package and allows you to more effectively allocate the resources of the development team for the software implementation of missing functions, information objects and integration data flows between software modules.