DEFINITION: SaaS ABB is a Technology Service delivering software that is owned and managed remotely by one or more providers. The provider delivers software based on one set of common code and data definitions that is consumed in a one-to-many model by all contracted customers at anytime on a pay-for-use basis or as a subscription based on use metrics. Source: Gartner (https://www.gartner.com/en/information-technology/glossary/software-as-a-service-saas)