A method and a network system for storing a plurality of device credentials associated with a device group comprising a plurality of wireless devices managed by an entity that is different from a network system operator, each of the plurality of device credentials associated with a different wireless device, each wireless device of the device group coupled or capable of being coupled to the network system over a wireless access network; providing a secure interface configured to assist the entity in creating or modifying at least a portion of a device-group service policy associated with the device group, the device-group service policy configured to assist the network system in controlling, monitoring, or accounting for device-group communications over the wireless access network; provisioning one or more elements based on the device-group service policy; identifying the device-group communications; and applying the device-group service policy based on the identified device-group communications.