A method for facilitating in assessing transitional costs in business transformations using a computer-aided organizational design system is provided. The method comprises creating a first organization design model representative of the current organizational design state of an organization using a graphical tool. The method further comprises changing the first organization design model into a second organization design model representative of the organizational design state of the organization after the business transformation. The method further comprises generating a report identifying the transition cost factors and the transition cost of moving from the first organization design model to the second organization design model, wherein the transition cost is determined based on predetermined calculation algorithms or heuristics.