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This paper comprises results concluding the research activity done so far regarding enhanced web services and system integration. The objective of the paper is to define the software architecture for a coherent framework and methodology for enhancing existing web services into an integrated system. This document presents the research work that has been done so far in this aspect by applying the proposed architecture for system integration in the academic field. The basics concepts used are Enterprise Application Integration (EAI) and Service Oriented Architecture (SOA), as the most commonly used approaches to information systems integration lately. SOA is an Information Technology (IT) architectural style that supports the transformation of businesses into a set of linked services, or repeatable business tasks that can be accessed when needed over a network. This may be a local network, it may be the Internet, or it may be geographically and technologically diverse, combining services in New York, Paris, and Beijing as though they were all installed on a local desktop. These services can coalesce to accomplish a specific business task, enabling businesses to adapt quickly to changing conditions and requirements. (Contains 6 figures.)