Implementing & Using A Supplier Rating System

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How do you really know how well your suppliers are performing? Relying on subjective assessments is like throwing darts in the dark—occasionally you hit the mark, but more often you're off target. This webinar presents a data-driven approach to supplier evaluation, offering a clear, objective view of supplier performance that helps eliminate guesswork and improve decision-making.

This session is designed to help purchasing professionals and other key stakeholders gain meaningful insights into their supply chain. By implementing quantitative performance measurement tools, you'll be empowered to identify strengths and weaknesses across your supplier base. Most importantly, you'll learn how to collaborate more effectively with suppliers to improve product quality, service levels, and availability. With the right metrics in place, you'll not only enhance supplier relationships but also strengthen your company’s competitive position in the market.

Your Benefits for Attending:
  • Employ Proven Techniques: Learn to monitor key areas of supplier performance effectively.
  • Use Rating as a Tool: Discover how to use performance ratings to strengthen and sustain supplier partnerships.
  • Identify the Best Rating Elements: Understand which specific evaluation elements yield the most reliable and actionable results.
  • Determine Measurement Frequency: Learn how often to assess supplier performance for maximum impact.
  • Select Prime Measurement Criteria: Gain practical guidance on identifying the most valuable criteria for evaluating suppliers.

By attending this webinar, you'll gain the tools and insights needed to make informed, strategic supplier decisions that boost both short-term efficiency and long-term success. This is your opportunity to drive supplier performance with precision and purpose.

Level: Basic
Format: Live Webcast
Instructional Method: Group Internet Based
NASBA Field of Study: Management Services (2 hours)
Program Prerequisites: None
Advance Preparation: No
  1. Introduction 
  2. Agenda 00:01:45
  3. Section 1 00:03:05
  4. Objective 00:04:00
  5. Why Improve Supplier Performance? 00:04:30
  6. Purchasing & Others 00:05:40
  7. Guidelines for Supplier Improvement Programs 00:06:48
  8. Goals & Objectives for Supplier Improvement 00:09:23
  9. Goals and Objectives (Continued) 00:11:08
  10. Goals and Objectives (Continued) 00:14:26
  11. Supplier Consideration 00:18:06
  12. Key Point to Reduce Costs 00:18:24
  13. Relationships 00:19:31
  14. Management Involvement 00:21:28
  15. Key Factors to Consider for Effective Improvement 00:23:18
  16. Key Factors (Continued) 00:24:59
  17. Key Factors (Continued) 00:26:51
  18. Supplier Development 00:28:39
  19. Collaboration 00:30:59
  20. Why Do This? 00:31:12
  21. Results 00:32:04
  22. Results (Continued) 00:34:17
  23. Section 2 00:35:42
  24. Defining the Selection Process 00:35:45
  25. Measurement & Effectiveness 00:35:59
  26. Evaluating Supplier Performance & Capabilities 00:36:40
  27. Developing Criteria for Supplier Selection 00:38:30
  28. Selection Criteria (Major Categories) 00:38:36
  29. Prime Performance Data 00:40:21
  30. Supplier Checklist 00:41:40
  31. Checklist (Continued) 00:43:44
  32. Survey the Supplier 00:46:29
  33. Survey Sample 00:49:15
  34. Survey Sample (Continued) 00:49:50
  35. Criteria for Rating System 00:50:26
  36. Consider 00:51:17
  37. Consider (Continued) 00:51:46
  38. Intent of the Criteria 00:53:19
  39. Intent (Continued) 00:54:11
  40. Structuring the Importance of Criteria 00:56:59
  41. Establishing a Scoring Mechanism 00:57:56
  42. Section 3 00:59:56
  43. Establishing a Reporting Methodology 00:59:59
  44. Supplier Rating Report 01:00:25
  45. Who Uses What & Why? 01:01:26
  46. Determining Involvement 01:03:23
  47. Frequency of Reporting 01:04:47
  48. Three Phases of Improvement 01:05:41
  49. Phases (Continued) 01:08:48
  50. Steps to Supplier Development 01:10:44
  51. Areas Requiring Action 01:10:50
  52. Creating a Development Board 01:13:35
  53. Corporate Policy Factors 01:14:15
  54. Corporate Policy (Continued) 01:16:51
  55. Procurement Operational Performance Costs 01:17:43
  56. Reducing the Supply Base 01:23:09
  57. Why Fewer Suppliers? 01:23:24
  58. How – Tools to Use for Supplier Reduction 01:24:26
  59. Timing to Accomplish 01:25:36
  60. Beginning the Process 01:27:05
  61. Seven Steps to Supplier Improvement 01:27:32
  62. Steps (Continued) 01:28:09
  63. Steps (Continued) 01:29:38
  64. Supplier Introduction 01:31:05
  65. Section 4 01:31:48
  66. Employing the Results 01:31:54
  67. Utilizing the Information 01:32:10
  68. Qualifications of a Good Analyst 01:32:45
  69. Selecting Suppliers - Special Situations 01:33:21
  70. Reading the Numbers 01:34:46
  71. Reading the Numbers (Continued) 01:35:59
  72. Focus Resources for Improvement 01:36:39
  73. Focus (Continued) 01:37:17
  74. Developing Competitive Environment 01:38:31
  75. Competitive (Continued) 01:39:19
  76. Section 5 01:41:28
  77. Electronic Linkage 01:41:36
  78. Implementation Time 01:43:17
  79. Successful Applications 01:44:03
  80. Applications (Continued) 01:45:09
  81. Recap 01:46:24
  82. Q & A 01:47:48
  83. Closing Remarks 01:48:18:17
  84. Thank You 01:49:36
  85. Presentation Closing 01:49:41

  • Michael W. Gozzo

    Michael W. Gozzo

    Michael W. Gozzo provides consulting and training services to all levels of management and is a Supply Chain Specialist including Purchasing (Supplier Collaboration), Inventory Control and Production/Operations Management.  With many years of practical international experience, he offers a supe [...]

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  • 80-20 Pareto Rule 01:24:35
  • CIP - Continual Improvement Process 00:42:39
  • Commodity 01:13:17
  • Cost 00:05:23, 00:13:34, 00:34:11
  • Forecast 01:19:14
  • Inventory 00:05:10, 00:15:06, 00:17:06, 01:20:10
  • Invoice 00:05:16
  • ISO (International Organization for Standardization) 00:45:24
  • ISO 9000 00:36:40, 01:16:26
  • Just In Time (JIT) 00:43:02
  • Lead Time 00:14:56, 00:17:04, 01:18:38
  • MTBF - Mean Time Between Failures 01:21:57
  • Procurement 00:04:42, 01:12:12, 01:17:46, 01:21:45
  • Supplier 00:04:58, 00:06:58, 00:12:43, 00:24:59, 00:28:57, 00:35:50, 00:43:41, 00:48:02, 00:56:44, 01:06:55, 01:13:55, 01:23:31, 01:28:54, 01:33:26, 01:43:13
  • Supplier Rating System 00:00:08
  • Supply Chain 00:05:31, 00:42:11
  • Total Cost 00:31:41, 00:52:23, 01:17:14
  • Total Quality Management (TQM) 00:13:17, 00:43:33
  • Unit Cost 00:52:28
  • Value Analysis 00:13:56

80-20 Pareto Rule: The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.

CIP - Continual Improvement Process: A continual improvement process, also often called a continuous improvement process, is an ongoing effort to improve products, services, or processes. These efforts can seek "incremental" improvement over time or "breakthrough" improvement all at once.

Commodity: A basic good used in commerce that is interchangeable with other goods of the same type.

Cost: The sum of the applicable expenditures and charges directly or indirectly incurred in bringing an article to its existing condition and location

Forecast: A method used to predict inventory levels for a future time period.

ISO (International Organization for Standardization): The International Organization for Standardization (ISO) is an international nongovernmental organization made up of national standards bodies that develops and publishes a wide range of proprietary, industrial, and commercial standards.

ISO 9000: ISO 9000 is a set of standards for quality management systems (QMS) developed by the International Organization for Standardization (ISO). It's a guide for organizations to ensure they meet customer needs and regulatory requirements, and can be applied to any size organization or industry.

Inventory: A company's inventory typically involves goods in three stages of production: raw goods, in-progress goods, and finished goods that are ready for sale. Inventory or stock refers to the goods and materials that a business holds for the ultimate goal of resale, production or utilization.

Invoice: An invoice, bill or tab is a commercial document issued by a seller to a buyer, relating to a sale transaction and indicating the products, quantities, and agreed prices for products or services the seller had provided the buyer. Payment terms are usually stated on the invoice.

Just In Time (JIT): A just-in-time supply chain is one that moves material just before it's needed in the manufacturing process. The technique reduces the need to store excessive levels of materials in a warehouse, and it works best when each operation is closely synchronized with the subsequent operations.

Lead Time: The number of days from when a company places an order for supplies, to when those items arrive.

MTBF - Mean Time Between Failures: MTBF (mean time between failures) is the average time between repairable failures of a technology product. The metric is used to track both the availability and reliability of a product. The higher the time between failure, the more reliable the system.

Procurement: Procurement is the process of finding and agreeing to terms, and acquiring goods, services, or works from an external source, often via a tendering or competitive bidding process. Procurement is used to ensure the buyer receives goods, services, or works at the best possible price when aspects such as quality, quantity, time, and location are compared.

Supplier: A supplier is an entity that supplies goods and services to another organization. A supplier is usually a manufacturer or a distributor. A distributor buys goods from multiple manufacturers and sells them to its customers. Similar Terms. A supplier is also known as a vendor.

Supplier Rating System: A supplier rating system is a formal process that companies use to evaluate and rate the performance of suppliers. The goal of a supplier rating system is to help companies make informed decisions about their supply chain, such as which suppliers to use, how much business to give them, and what prices to pay.

Supply Chain: A supply chain is a network between a company and its suppliers to produce and distribute a specific product to the final buyer. The supply chain also represents the steps it takes to get the product or service from its original state to the customer.

Total Cost: Total cost is the total expenditure incurred to produce some type of output. From an accounting perspective, the total cost concept is more applicable to financial reporting, where overhead costs must be assigned to certain assets.

Total Quality Management (TQM): Total quality management consists of organization-wide efforts to "install and make permanent climate where employees continuously improve their ability to provide on-demand products and services that customers will find of particular value."

Unit Cost : Unit cost encompasses all costs associated with producing or acquiring that item.

Value Analysis: The systematic and critical assessment by an organization of every feature of a product to ensure that its cost is no greater than is necessary to carry out its functions.

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Frequently Asked Questions

A supplier rating system is a formal, data-driven process for evaluating and scoring supplier performance against defined criteria—replacing subjective impressions with objective, quantitative measurement. Instead of relying on gut feelings or anecdotal feedback, a structured rating system allows purchasing professionals to compare suppliers consistently across dimensions like product quality, on-time delivery, invoice accuracy, and service responsiveness. The benefits extend beyond measurement: ratings become a powerful collaboration tool, enabling buyers to engage suppliers in performance-improvement conversations grounded in data. High-performing suppliers can be recognized and rewarded with greater business, while underperforming suppliers receive specific, actionable improvement targets. For organizations managing large or complex supply bases, supplier rating systems also inform supply base consolidation decisions—identifying which suppliers merit deeper strategic relationships. A well-implemented rating system strengthens supplier partnerships, improves supply chain reliability, and ultimately enhances the organization's competitive position in the marketplace.
Selecting the right evaluation criteria is foundational to a meaningful supplier rating system. Effective criteria should be quantifiable, tied to business impact, and consistent across the supplier base for fair comparison. Core categories typically include quality (defect rates, rejection rates, ISO certification status), delivery performance (on-time percentage, lead time reliability), commercial compliance (invoice accuracy, adherence to pricing agreements), service and responsiveness (issue resolution speed, communication quality), and financial stability. The 80-20 Pareto principle applies: focus measurement resources on the criteria that most directly impact total cost and supply reliability. Weight criteria based on strategic importance—quality and delivery typically carry more weight than administrative metrics. Document criteria in a supplier checklist or scorecard and communicate them to suppliers upfront so performance expectations are transparent before issues arise. Establishing clear scoring mechanisms—numerical scales, weighted averages—ensures ratings are comparable, defensible, and useful for supplier development conversations.
Appropriate frequency for supplier performance measurement depends on transaction volume, supply criticality, and the cost of data collection. For high-volume, operationally critical suppliers, monthly rating cycles provide frequent visibility and enable rapid response to performance deterioration before it causes supply disruptions. For lower-volume or standard-risk suppliers, quarterly assessments are typically sufficient to identify trends without creating unnecessary administrative burden. Annual comprehensive reviews are appropriate for all suppliers—including those reviewed more frequently—to assess strategic relationship status and long-term partnership value. Reporting frequency should also be calibrated to the improvement cycle: suppliers in active improvement programs benefit from more frequent shared reporting to accelerate accountability. Electronic linkage between procurement systems, ERP platforms, and supplier portals can automate much of the data capture, enabling real-time dashboards and reducing manual effort while supporting more frequent, proactive supplier performance monitoring and supply chain decision-making.
A structured supplier improvement program transforms rating data into actionable supply chain enhancement. Begin by identifying suppliers with performance gaps below minimum acceptable thresholds on critical criteria. Initiate formal communication sharing specific performance data and business impact—not vague dissatisfaction. Collaborate with the supplier to conduct root cause analysis: is the issue a capacity constraint, process failure, communication breakdown, or resource limitation? Jointly develop a corrective action plan with specific targets, timelines, and measurable improvement milestones. Establish a development board or regular review cadence to track progress and maintain accountability on both sides. Three improvement phases apply: awareness (the supplier acknowledges the problem), action (corrective measures are implemented), and verification (sustained improvement is confirmed). Management involvement from both organizations signals strategic commitment. Throughout the process, document all communications, performance data, and agreed actions—essential if the relationship ultimately must be terminated due to persistent performance failure.
Supply base reduction—consolidating purchasing into fewer, higher-performing suppliers—is a strategic decision supported by supplier rating data. The rationale includes eliminating the administrative cost of managing many low-volume relationships, concentrating volume to achieve better pricing and service priority, and building deeper strategic partnerships with suppliers who demonstrate consistent excellence. Rating systems identify natural consolidation targets: suppliers consistently below performance thresholds are candidates for exit, while high performers merit increased business. The 80-20 Pareto rule typically applies—roughly 20% of suppliers represent 80% of spend and operational importance. Reduction should be phased and methodical: maintain supply continuity during transitions, renegotiate terms with consolidating suppliers, and document the business case for each exit decision. Communicate changes to departing suppliers professionally and according to contract terms. Data-driven supply base reduction typically delivers meaningful reductions in procurement operational costs while improving quality and delivery consistency across the streamlined supplier network.