A method and system for evaluating quality service though the use of anonymous shoppers. The method and system provide executives and managers of retail operations with an essentially objective evaluation of the performance of its business operations through the use of data obtained by anonymous shoppers. The method formulates essentially objective evaluation parameters for a business operation and composes essentially objective questions based on parameters. Anonymous shoppers are trained to monitor quality service and provide essentially objective responses. Key areas of quality service are evaluated by responses to questions. Numerical ratings are assigned to the responses using a weighted point system; these ratings are combined for each key area of business operation. The resulting numerical ratings are further combined for a single overall rating. The numerical ratings are entered into a computer to generate one or more managerial reports.