1. A method comprising: collecting, by a processing device for linking customer accounts, internal customer account data into a consolidated database; comparing, by the processing device, the internal customer account data to identify unique customer accounts; searching, by the processing device, an external third party database to identify personal identification information to compare with the internal customer account data consolidated in the consolidated database to facilitate creating a new association designation between a plurality of existing internal customer accounts; analyzing, by the processing device, the internal customer account data and the personal identification information to identify customer accounts listed as belonging to separate customers that should be identified as belonging to a single customer; and creating a new association designation between the plurality of existing internal customer accounts in response to the analyzing without modifying the internal customer account data of existing internal customer accounts.