The article examines the methodological basis of forming a system of enterprise strategies. The methodology for developing a strategic system for enterprises is a crucial aspect of organizational success. The author examines modern approaches to strategic management in detail and defines the fundamental principles that must be considered when forming strategies. The methodological basis for forming a system of enterprise strategies based on components and results is presented. The author's vision of an "enterprise strategy system" is presented. The strategic toolkit is defined as a set of methods, techniques, and approaches for forming a system of enterprise strategies. The scientific-methodical approach to forming the strategic toolkit is presented according to the stages of formation, the main tasks, and the results. The study results show that an effective strategic system includes elements of strategic analysis, planning, implementation, and control and is based on the enterprise's clear mission and goals. It was also found that the enterprise's external and internal environment, the market's competitive situation, and the enterprise's resources play an essential role in the formation of strategies. The obtained results can be helpful in the management of enterprises when developing their strategic system. The methodology for developing a strategic system for enterprises encompasses environmental and organizational analysis, goal formulation, strategy formulation, implementation planning, and performance monitoring and evaluation. This structured approach assists enterprises in formulating effective strategies to achieve sustainable competitive advantage and long-term success. Keywords: strategy, system of strategies, formation of a system of strategies, methodological basis, conceptual trivector model of enterprise development, forms-templates of business conduct.