International governmental organizations (IGOs) critically influence the international system, shaped by their inherent organizational nature. These entities are pivotal not only for their role in rule-making and policy implementation but also due to their unique internal dynamics. IGOs are composed of individuals who navigate complex internal politics and management strategies, influencing their external actions and decisions. This organizational perspective allows IGOs to establish significant inter-organizational networks, enhancing their permanence and impact. These networks involve various international actors, creating a dense web of relationships that states find challenging to disentangle. The integration of organizational theory into the study of IGOs provides profound insights into their operations and strategies, emphasizing the importance of understanding IGOs as complex actors with specific organizational and administrative traits, which play a decisive role in shaping global governance and international relations.