1. Supplier Performance Scorecards: These scorecards track key performance indicators (KPIs) such as delivery times, quality levels, and cost efficiencies. 2. Feedback Mechanisms: Regular feedback from suppliers can provide insights into the relationship's health and areas for improvement. 3. Cost Savings: Measuring cost savings achieved through effective negotiations and collaborative efforts can indicate SRM success. 4. Innovation Metrics: Tracking the number of new ideas or products developed in collaboration with suppliers can highlight the value derived from SRM.