The practical difference
Both categories can cover finance, stock, sales, purchasing, HR, and reporting. The difference is adoption: modern platforms should reduce configuration burden, make permissions visible, and support phased rollout.
ERP usually describes a broad enterprise resource planning system. A business management platform focuses the same operating need into a modern, guided, role-aware product that is easier to adopt for SMB teams.
Both categories can cover finance, stock, sales, purchasing, HR, and reporting. The difference is adoption: modern platforms should reduce configuration burden, make permissions visible, and support phased rollout.
Consultants remain valuable for complex process mapping, imports, integrations, controls, and change management. The product should make that work more repeatable and less custom every time.