The research focus of the scientific paper is on the problem of performance measurement of credit institutions. The author recommends applying frontier analysis techniques such as Data Envelopment Analysis and Stochastic Frontier Approach to the efficiency analysis of Decision Making Units. Using modern computer technologies, the author has calculated dynamics of efficiency score of ten Latvian banks on the basis of DEA CCR approach, identified outliers among investigated banks, provided recommendations concerning optimal input volumes and established hidden development reserves using SFA method.