Abstract: Vertical enterprise systems and methods for integrating applications from one or more enterprises into a single interface for presentation to a user are disclosed. A vertical enterprise system in accordance with an illustrative embodiment of the present invention may include one or more client enterprises, one or more partner enterprises, and an active integration enterprise in communication with the one or more client and partner enterprises. The active integration enterprise may include a central integration platform operating on an application integration network adapted to host a number of core components including a portal system, a collaboration system, a database system, and/or a business system. In certain embodiments, the active integration enterprise can be configured to host a number of user-specific applications that provide specific functionality for a particular client.