Software as a Service (SaaS) influences businesses by providing access to cloud-based applications on a subscription basis, reducing the need for significant upfront investment in software and hardware. This model allows companies to scale their usage easily based on demand and to update applications without the need for manual installations or maintenance. Furthermore, SaaS facilitates better collaboration among teams, as users can access software from various devices and locations. This flexibility encourages remote work and streamlines workflow, ultimately enhancing overall productivity. As a result, organizations can adapt quickly to market changes and remain competitive.