There is no doubt that public relations has received more attention base on it immense contribution to organisation growth and development through effective public relations practice. However, this paper examined the impact of effective public relations on organizational performance with a focus on Micmackin Nigeria Limited in Akure. Moreover, Relationship management theory was employed and a longitudinal survey design was chosen as the methodology. The population of the study approximately 105 was derived from both member and management staff of Micmackin Nigeria Limited headquarters in Akure. The study through primary source of data collection make used of open ended questionnaire and it was randomly attested to the selected population of Micmackin Nigeria Limited. Hence, the study through it findings revealed that, Public Relations have impact on organisation performance in Micmacking Nigeria Limited as its project organisation goals, ensure organisation relation and brand promotion. The findings also revealed that, management interferenceis the major challenge facing the activities of public relations towards ensuring effective organisation performance especially in Micmacking Nigeria Limited. Moreover, this paper concludes that, management interference is the major challenge facing the activities of public relations towards ensuring effective organisation performance in Micmakin Nigeria Limited. The paper recommends that Managements of every organisation should endeavour to put in place structure that will help effective public relations in their organisation. It also recommends that, management of Micmackin Nigeria Limited should disengage from interference into the public relations service of its organisation to ensure professionalism.