Projects Role Reporting Conundrum

All,

Our business wants to report on projects using a complex management reporting structure.  This structure is based on positions within the company and the specific set of operations they are responsible for.  In many instances one VP can be responsible for a set of cost centers within a company and a different VP will be responsible for the other cost centers.  Many of these cost centers are shared.  This is subject to change and is in conflict with the legal/financial reporting hierarchy.  Using the projects hierarchy is not a good option for this need.  I have recommended to the business