This book constitutes the refereed proceedings of the 14th World Congress on Services, SERVICES 2018, held as part of the Services Conference Federation, SCF 2018, in Seattle, USA, in June 2018. The 10 full papers and 3 short papers presented were carefully reviewed and selected from 22 submissions. The papers cover topics in the field of software foundations and applications with a focus on novel approaches for engineering requirements, design and architectures, testing, maintenance and evolution, model-driven development, software processes, metrics, quality assurance and new software economics models, search-based software engineering, benefiting day-to-day services sectors and derived through experiences, with appreciation to scale, pragmatism, transparency, compliance and/or dependability.