Combining multiple Charts of Accounts in Financial Consolidation and Close

Hi, we've an application will use data management to map divisional charts of accounts for data loads into one central chart of accounts and perform the Financial Consolidation and Close process. We've been asked now to investigate the possibility now of performing the Consolidation for each division also using each divisions CoA, accounting practices etc... instead of only the Group consol process. Has anyone out there done this or are doing this and if so is it in one Consolidation and Close app or different apps consolidating into a group one? Are there any Best Practices or pitfalls that we