A web service composition is integrating the data from the multiple data provider depends upon the user request. The objective of this investigation is to integrate data from multiple data providers. In the existing system, Daas is used for enabling fast access on data resources on the web. This reveals that sensitive information. In this work, Daas is extended to preserve the privacy information and a formal privacy model in order to extend DaaS descriptions with privacy capabilities. PCM algorithm is used for compatibility checking. This provides security for the user’s privacy information.