The article deals with the problems of legal strategies in different legal systems. The legal strategies in group legal systems as components of the conceptual provisions of the theory of state and law are investigated. Various modifications of collective law, customary law as independent legal systems with definition of legal strategies in them are considered. Legal strategies are described as a non-detailed plan of action that is being implemented to transform existing legal systems. The existence of legal strategies in the group legal system is traced, in particular, only within such groups, which are united by the same interests and goals, internally structured, and each of these groups establishes the status of the participant and his position in such a group (teams, public organizations, public associations). The character of intragroup relations is investigated, which establishes the level of unity of a group in its positions, which in many cases depends on the need for collective law and the issues of expediency. The higher the level of organization of intragroup relationships, the higher the probability of the functionality and effectiveness of existing legal strategies in the group. Various modifications of collective law as an independent legal system are investigated. The existence of strategies and, in particular, legal strategies, has been proved in various types of collective law as a legal system. It is shown that strategic planning promotes the development or transformation of legal systems. Considered in the context of the conceptual provisions of the theory of state and law, legal strategies for different legal systems. The changes that take place in the legal strategies of different legal systems as a result of their multiple use are found out. Short-term legal strategies for some legal systems are explored. The characteristic features of legal strategies for different legal systems are established.