Software as a Service (SaaS), also known as cloud-based software, has transformed the enterprise software industry over the past decade. From customer relationship management (CRM) and collaboration software to solutions designed specifically for financial services or healthcare providers, the software solutions that enterprises rely on are increasingly shifting from on-premises licensed software to cloud-based subscription SaaS models.

Enterprises have an average of 288 different SaaS applications in usage across their businesses, up 30% year-over-year (YoY)—spending $4.2 million each year, and roughly $2,000 per employee, per Blissfully. SaaS has grown its share of the global enterprise software market from less than 2% in 2009 to 23% in 2019, according to Synergy Research.

In 2019, SaaS revenues totaled $102.06 billion, ahead of Platform as a Service ($37.51 billion) and Infrastructure as a Service ($44.46 billion), according to Gartner. While SaaS revenues should continue to eclipse other cloud segments in the years ahead, reaching $140.63 billion by 2022—its dominant grip on the market is expected to...