Public sector planning has always been in the focus of research interests of scientists. The many functions that administrations perform and the broad spectrum of public policies that they manage require the implementation of adequate planning tools to ensure integration, quality and realism. Planning processes are accompanied by a number of problems. Some of the basic ones result from the lack of adequate methodology. The development of the practice poses new challenges to the methods of strategic analysis and planning from the point of view of their applicability in the public sector. The need for specific knowledge and skills for planning, digitalization and software solutions largely determine the future of the planning function. It will become more and more automated and more and more routine. However, this does not mean easier planning, better strategy and more adequate planning decisions. On the contrary, the fact that planning is a highly intellectual activity requiring analytical skills, strategic proactive thinking necessarily requires the leading role to continue to be performed by trained professionals, and technology to be a tool to support and analyse alternatives. The aim of this article is to outline perspectives for the development of planning processes in public sector administrations in Bulgaria, considering the strategic, regulatory and methodological framework for planning. The study of existing good practices for organizing and managing the planning processes in the administration is refracted through the prism of the experience and expertise of the public sector in Bulgaria and the environment and the requirements that must be considered by the administrations carrying out planning activities. A comparative analysis of traditional approaches to process management and flexible management methods is made and based on critical points that should be put on the agenda in regulating planning processes in Bulgaria and integrating them into public sector practice. Through induction, deduction and reduction are outlined guidelines for future research and specific recommendations to the public sector regarding the organizational management of planning processes.