Managing multiple suppliers can be challenging. A structured Seller Rating System
An effective system evaluates suppliers across three critical dimensions. Assign a score (e.g., 1-5 or 1-10) for each pillar in dedicated columns in your spreadsheet. Measures the consistency and condition of received goods. Key metrics include: Scoring Tip: A "5" signifies flawless quality over multiple orders; a "1" indicates frequent, unacceptable defects. Evaluates precision in order fulfillment and communication. Assess: Scoring Tip: Deduct points for errors that cause administrative delays or customer frustration. Tracks timeliness across the order lifecycle. Key indicators: Scoring Tip: Rate relative to their promised lead times and industry benchmarks. Follow these steps to implement the rating system: With the system in place, you can now make data-driven sourcing decisions: By implementing this simple yet powerful Seller Rating System in your LitBuy spreadsheet, you move from reactive buying to strategic supplier management, ensuring quality, reliability, and efficiency in your supply chain.The Three-Pillar Rating Framework
1. Quality Control (QC) Performance
2. Accuracy
3. Speed
Building the System in Your Spreadsheet
Accuracy_Score, Speed_Score, and Total_Score.=AVERAGE(B2:D2) // For equal weight on QC, Accuracy, Speed
=(B2*0.4)+(C2*0.3)+(D2*0.3) // If QC is most important (weighted 40%)
Acting on the Data: Identifying Top-Tier Suppliers
LitBuy: How to Create a Seller Rating System in Your Spreadsheet
2026-01-09