The article reveals the essence and functional purpose of forecasting economic and social results, efficiency, economic security of organizations and sectoral components of the national economy, the relationship of the main economic characteristics and economic security, justifies the feasibility of using economic and mathematical methods of forecasting to ensure economic security, accuracy and significance of forecast estimates. The article reveals the composition of generalizing indicators of correlation characterizing for the medium and long-term development of sectoral and local components. Also it reveals a set of measures and actions to collect and systematize socio-economic information about the current and retrospective activity of the object of planning and forecasting which would ensure the adequacy of forecasting of the normative and threshold values of economic security, interaction with other technological elements of the management system of medium and longterm development of business entities, economic activities (sectoral components) of the services sector.