There is provided a system and method for routing messages received from any one of a plurality of external user accounts on any one of a plurality of different messaging applications within an entity. The system and method comprises one or more integration modules coupled to each of the plurality of different messaging applications for receiving messages via the messaging application. These messages are directed to a unique account identifier for the entity using additional address identifier information. A central messaging module is configured to receive from each of the one or more integration modules the messages via a common internal messaging protocol, and distribute the messages to at least one more internal user accounts within the entity using additional address identifier information.