Supply chain tiering is a critical concept in procurement that involves categorizing suppliers based on their roles and relationships within the supply chain. This structured approach helps organizations manage their procurement processes more

Supply Chain Management (SCM) and procurement are two essential components within the broader field of supply chain operations. While they are closely related, their roles and functions differ significantly.

1. Comprehensive Guide to Procurement and Supply Chain Concepts – Pro-Art-4101
2. SCM vs. Procurement: Roles, Functions, and Interdependencies – Pro-Art-4102
3. Understanding Supply Chain Tiering: Definition and Functions – Pro-Art-4103

Procurement 

Procurement is the process of acquiring goods, services, or works from external sources. It involves activities such as identifying needs, specifying requirements, selecting suppliers, negotiating contracts, and purchasing