Mobile user auditing system and method for monitoring at least one available network accessible by a mobile user within a mobile communications environment. The mobile user auditing system includes an acquisition device to acquire, from the mobile user, data related to at least one of: service coverage for the mobile user in the at least one available network; service quality for the mobile user in the at least one available network; and service usage for the mobile user in the at least one available network, and a plotter to identify on an audit map locations within the at least one available network from which the acquired data was received.