4 . Indirect procurement
A high-volume factory relies heavily on the underlying infrastructure of indirect materials. Maintenance, Repair, and Operations (MRO) supplies, spare machine parts, and external facility services represent a significant financial cost center that requires careful management.
This chapter details the structural strategy for Indirect Procurement governance. We define the workflows required for managing supplier contracts, establishing min/max inventory levels for critical spare machine parts, and consolidating MRO spend to prevent unmanaged purchasing and operational delays.
- 4.1 Indirect spend taxonomy & ownership
Indirect spend—items that do not go into the finished shipped product—can significantly impact factory profitability if left unmanaged. While Direct Material (BOM) pricing is closely scrutinized, Indirect Spend (MRO, Tools, Services) can quietly accu...
- 4.2 Requisition-to-PO workflow for indirect procurement
Without a structured process, indirect procurement can suffer from "maverick spend"—unmanaged purchases, unapproved external services, and invoices that are difficult for Finance to reconcile. The Requisition-to-PO workflow provides a necessary and a...
- 4.3 Vendor onboarding & framework agreements: LTA/SLA
Managing indirect suppliers requires a structured approach to maintain operational stability. Facilities management, external IT support, and calibration labs are significant operational dependencies. While the verification criteria differ from those...