The interest in the quality of logistical service, specifically in the field of exporting agricultural crops, is increasing in an advanced manner because of its biological nature, which is that it is perishable, as the waste in agricultural products resulting from inappropriate means of transportation, insufficient storage capacity, and poor infrastructure for the cold chain is estimated at about From 15% to 20% for crops that are not subject to rapid deterioration, and from 25% to 50% for crops subject to rapid deterioration, The study mainly aims at analyzing the impact of the quality of logistical service on the competitive advantage in a case study of Taiba Company for Import and Export of Agricultural Crops. Which is not suitable for dealing with this problem, and it was found that by 93% the dimensions of the quality of the logistic service explain the changes that occur in the competitive advantage, and the significance of the model was proven at the level of significance of 1%.