The software-as-a-service (SaaS) model is ubiquitous. These days, it would be difficult to count on one hand the number of SaaS tools that we interact with every day. Increasingly, businesses are adopting the SaaS model and allowing other businesses to ‘subscribe’ to their professional offerings. In this article, we break down the shift that the satellite communications industry has experienced with GSaaS, or Ground Station as a Service, and the disruptive leap forward ATLAS Space Operations has made in redefining GSaaS — now, Ground Software as a Service.