Abstract: The present invention provides for a method and a computer system for providing functionality for electronically managing and supporting a merger integration of businesses, using software and other computer-implemented tools. In one aspect of the invention, the method and system provide program milestone tracking for an integration of businesses, where the businesses are subject to a merger or acquisition. The system provides a collaboration environment computer program for assisting a group of individuals performing the integration of businesses. The collaboration environment computer program provides administrative controls and communication among the group of individuals. A project management computer program assists the group of individuals and is configured to manage project schedules, budgets, and timeframes. A program milestone component is established and configured to facilitate creating and tracking program milestones for the collaboration environment computer program.