Abstract: Combination of business and Service Oriented Architetures (SOA) is getting more attention of enterprise decision makers. The combination employs information technology to improve the business performance of enterprises. SOA possesses the features of reusability and loose coupling, which makes business agile. However, when the managers face how to select and deploy Web services and such technical problems, enterprise,s strategic objectives are often ignored. To solve this problem, and also to consider the related service QoS criteria reflects the importance of the criteria more accurate, an improved analytic hierarchy process to balance technical and strategic decisions is proposed, which helps the enterprise managers to better use Web services to achieve enterprise strategic objectives.