The main objective of this study is to examine the effect of relationship marketing on customerrnsatisfaction of trade service customers of Commercial Bank of Ethiopia. To achieve thernobjectives of the study, the study employed quantitative approach and explanatory study.rnCorrelation analysis is used to examine the relationship between relationship marketingrnvariables and satisfaction. Multiple regression analysis also used to measure the effect onrncustomer satisfaction of six key constructs of relationship marketing (trust, commitment,rncommunication, conflict handling, competence and special treatment). The respondents wererndrawn from trade service special outlets and six special grade branches of Commercial Bank ofrnEthiopia. From TS customerâ€™s importers and exporters who have engaged in processing usingrndifferent international payment methods included in the study. Data was collected throughrnquestionnaire from a sample of 355 TS customers. Data collected from the questionnaire werernanalyzed using SPSS version 20 statistical tools such as mean, standard deviationrnquantitatively, and followed by correlation and regression analysis has been made. The result ofrnthe study indicates that all relationship marketing variables have positive relationship withrncustomer satisfaction. The regression result also confirmed that there is positive and significantrneffect of relationship marketing variables (trust, commitment, communication, conflict handling,rncompetence and special treatment on satisfaction of trade service customers of CommercialrnBank of Ethiopia. Depending on the findings, practical implications of this study is, in order tornensure satisfaction among trade service customers; bankers should build a better relationshiprnmarketing strategy. Therefore, banks competitiveness and profitability will depend on theirrnability to build strong relationship with their customers continuously. Furthermore, futurernresearch directions were also suggested on this study.