The application of service oriented architecture in business is to meet the best quality requirements to the customers and providers. Where, service evaluations are carried out based on the quality attributes of scalability, usability, security, performance. In past many evaluation systems have been proposed for business applications with different criteria. However, security metric to be considered this study proposes a new Analysis Estimator Service (AES) system to analyze and estimate the transaction data from the multiple scalable factors. For this purpose two types of estimations namely, Transaction Service (TS) and Quality Service (QS) estimators are proposed to evaluate the transactions concerning security and quality.