Analysis and general characteristics of international practice of existing methods for effectiveness evaluation of investment projects/programs are presented, and the rationale for making investment decisions regarding selected investment projects is presented. For the adoption of an optimal investment solution, there is a need to carry out preparatory and design work, namely: preliminary calculations of the financial diagnosis of the investment project, analysis of management and budgeting of the investment project, analysis of the calculation of profits from the implementation of investment projects, calculations of the evaluation of performance indicators of investment projects. The article presents the stages of development and implementation of the investment project/program, namely: organizational and preparatory stage; stage of development of the project/program; stage of agreement and approval of the project/program; stage of project/plan propaganda and organization of control over its implementation. Research results will allow for a preliminary detailed analysis of the investment project in order to receive a response: to what extent the specified objectives of the investment campaign correspond to the existing objective requirements and the outlined task of the future investment project.