As the Software as a Service (SaaS) business model soars in popularity, companies face a big dilemma of how to establish metrics to run the businesses in a manner that maximizes value. The value of starting a SaaS business is to show investors that there is a large addressable market, a high likelihood of the team being able to execute, and low investment risk due to the amount of base revenue and traction that is recurring. To protect annual recurring revenue (ARR), there are key metrics that management should be measuring.