This document is a guide that outlines the return on investment (ROI) associated with managed mobility services. It describes how a mobile expense management solution can create significant value for organizations by enhancing the management of mobile devices, tracking invoices, and assisting mobile users. The text details key areas to evaluate when considering such solutions, including potential cost savings and productivity improvements resulting from AI-driven automation and streamlined processes. Specific activities that contribute to savings, such as optimizing mobile tariff plans and eliminating maverick buying practices, are documented alongside their average savings percentages. The guide also explains the efficiency gained through automation of IT security and compliance, as well as the benefits of help desk services and employee self-service options. Overall, the document presents a detailed analysis of various factors that collectively lead to cost reductions and improved productivity within organizations leveraging managed mobility services.