Plans to relocate always involve looking ahead to the future, but for UHNWIs they often also involve looking back on the past to comprehensively inventory everything they own. Tax advisors need to understand your current structures before they can properly guide your exit strategy. Estate planners require a complete asset inventory to restructure trusts or foundations. Immigration advisors need documentation of funds to prepare visa applications. Knowing "roughly where things are" isn't sufficient. The irony is that this backward-looking exercise is necessary for forward mobility. Establish a setup for complete visibility of your wealth during this relocation, and it will make every subsequent move, restructuring, or strategic decision substantially simpler.