This volume constitutes the proceedings of the 19th International Conference on Services Computing 2022, SCC 2022, held as part of SCF 2022 during December 10-14, 2022 in Honolulu, USA. The 8 full papers and 1 short paper presented in this volume were carefully reviewed and selected from 15 submissions. It covers the science and technology of leveraging computing and information technology to model, create, operate, and manage business services.