Agency theory focuses on the trial position. Using the express worker, we can refer to or delegate something as a (employer) to restrict (the agent). This article uses reputable consulting services, consulting services, consulting services and consulting services. Then the critiques of the theory are expressed, including the most important criticisms of the theory; Concealment, covert information, individualism, rationalism, the effects of undesirable choices, moral hazards, and profitable contracts. Finally, by analyzing the critiques of the theory, we try to answer them from two perspectives: from the perspective of the critique (defense of the theory) and the critique from another angle. Finally, agency theory is analyzed in the context of public management, and by expressing the impact of this theory on organizational thinking, to express suggestions such as; We have identified clients and brokers, applied appropriate oversight mechanisms, and a performance-based reward system to apply this theory to the public sector.