Contemporary public organizations have increasingly become expressive and complex. This mainly arises from, among others, the pursuit of similarly complex reform approaches in efforts to stay in contact with their environments and in the attempts to ensure control, foster efficiency, coordination,legality, and legitimacy.The adoption of one-stop-shop model should therefore be seen as one of such organizational forms pursued by modern government to respond to the complex needs or interests, environments, and goals faced by public organizations. This chapter investigates implications of one-stop-shop model for organizational environments, i.e., technical and institutional of public organizations as far as service delivery and needed institutional changes are concerned in the contexts of a developing country