Method and apparatus for facilitating real-time searching of non-public data using a single search query are provided. Method includes facilitating reporting of availability of companion application of remote source unit to auto discovery module to enable client device to automatically discover remote source unit and to enable client device to search, in real-time, non-public data on remote source unit using single search query, Companion application is non-public application. Single search query comprises a search term. Method includes enabling automatic access to non-public data on remote source unit, by single search query. Method includes facilitating receipt, at remote source unit, of single search query with search term. Method includes, in response to single search query, searching, in real-time, non-public data on remote source unit using search term; retrieving, in real-time, non-public search result comprising one or more file names or folder names; and transmitting non public search result in real-time.