Expense Management 

Often referred to Telecom Expense Management (TEM) or Wireless Expense Management (WEM), expense management service providers evaluate spend for small, medium, and enterprise businesses and, in nearly all cases, save the customer significant money by identifying unutilized and under utilized services, plans, lines, and devices, often without any changes to overall carrier plans or contracts. 

Also, they save you time and money by automating ordering and provisioning processes, proactively managing carriers, performing day-to-day management of users mobility needs and devices, and providing detailed reporting & analytics of everything.  

They also help by: 

These same providers can also provide complete lifecycle management services that track the assets from acquisition to termination, including data wipe, limiting applications on the devices, and more.