SAP S/4HANA migration is the largest, most consequential technology decision most enterprises make in a decade. It is also the single best opportunity to fix tax architecture — and the most common moment to permanently lock in the wrong one. The Migration Window explores why compliance and tax architecture must be at the centre of every S/4HANA programme, what the right decisions look like, and what it costs when organisations migrate their ERP and inherit every structural compliance problem they failed to address while they had the chance.
