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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryB2B & GrowthWin/Loss Analysis

B2B & Growth

Win/Loss Analysis

Studying why deals were won or lost, often through buyer interviews, to improve product, messaging, and sales execution.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Win/loss analysis is the study of why deals were won or lost, often through buyer interviews, surveys and CRM data. It reveals how buyers perceive a product, pricing, competitors and the sales experience. Findings are used to improve product roadmaps, messaging, positioning and sales execution, ideally gathered by a neutral party.