Book excerpt: This book constitutes the revised selected papers of the scientific satellite events that were held in conjunction with the 17th International Conference on Service-Oriented Computing, ICSOC 2019, held in Toulouse, France, in October 2019. The ICSOC 2019 workshop track consisted of five workshops on a wide range of topics that fall into the general area of service computing: - The 15th International Workshop on Engineering Service-Oriented Applications and Cloud Services (WESOACS). 4 papers over the 6 received submissions were accepted. - The 4th International Workshop on Adaptive Service-oriented and Cloud Applications (ASOCA). 2 papers over the 4 received submissions were accepted. Moreover, 2 invited papers were presented in this workshop. - The 4th International IoT Systems Provisioning & Management for Context-Aware Smart Cities (ISYCC). 3 papers over the 5 received submissions were accepted. Moreover, 3 invited papers were presented in this workshop. - The 1st edition of Towards Blockchain-Based Collaborative Enterprise (TBCE). It accepted 2 papers over the 3 received submissions. - The 1st edition of Smart daTa integRation And Processing on Service based environments (STRAPS). 3 papers over the 7 received submissions were accepted. An additional invited paper was presented in this workshop.