Interest in intelligent systems has recently increased and as a consequence it has stimulated the development of new methodologies and technologies to meet the requirements for intelligent support in various applications. In the meantime, electronic services (e-services) offer great opportunities and challenges for many areas, such as business, commerce, marketing, finance, and education. It thus involves various online service delivery systems and applications including e-government, e-commerce, e-business, and e-learning. E-services is currently developing its next stage for emphasizing intelligent presentation of web content, intelligent online services, personalised support, and direct user participation in organizational decision-making processes. E-service intelligence, an integration of intelligence technologies and e-services, has been right now identified as a new direction and next stage of e-services. Intelligent online services will provide with much higher quality information, personalized recommendation, intelligent decision support, and more integrated seamless link services. Moreover, they will make e-service evolve into knowledge management services and become adaptive, personalized, proactive and accessible from a broader variety of devices. The 1st International Workshop on E-Service Intelligence provides an international forum for the sharing of original research results and practical development experiences among researchers and application developers from different e-service intelligence related areas.