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

GlossaryB2B & GrowthSales Forecasting

B2B & Growth

Sales Forecasting

Predicting future bookings or revenue for a period, typically by weighting pipeline by deal stage, rep judgment, and historical win rates.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Sales forecasting is the process of predicting future bookings or revenue for a period, typically by weighting pipeline by deal stage, rep judgment and historical win rates. Accurate forecasts guide hiring, spending and investor expectations. Methods range from simple stage-weighted pipeline to statistical and AI-driven models based on deal activity.