PwC's Pillar Two material makes one point stand out: the global minimum tax is less a rate question than a data question. Groups in scope must compute effective tax rates per jurisdiction under a new rulebook, which means collecting accounting data the consolidation was never designed to produce, on a recurring deadline.
Most of our clients sit below the revenue threshold, but subsidiaries of large international groups feel it immediately: parent companies now ask Dutch entities for data packs with tight turnarounds. Getting the local bookkeeping to produce those numbers repeatably is exactly the kind of plumbing worth doing once, properly.