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Why Deals Are Lost at Each Sales Stage — A Guide for Pre-Seed & Seed Stage SaaS CEOs

14 min readAug 9, 2025

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Winning enterprise software deals is a high-stakes game, especially for pre-seed and seed-stage companies with limited runway. Every lost opportunity represents time, effort, and money you can’t get back. By understanding why prospects say “no” at each stage of the sales cycle, you can make surgical improvements to your go-to-market motion and increase win rates.

This post will cover the following topics:

  • Overall View: Closed-Lost Opportunities by Stage
  • Discovery — 35% of Closed-Lost Opportunities
  • Qualification — 28% of Closed-Lost Opportunities
  • Needs Assessment / Solution Design — 22% of Closed-Lost Opportunities
  • Proposal / Negotiation — 12% of Closed-Lost Opportunities
  • Contract / Closing — 3% of Closed-Lost Opportunities
  • Win/Loss Analysis: Why Prospects Make The Choices They Do
  • The Win/Loss Process
  • Win/Loss Themes From Actual Project

Below, we break down the five key sales stages, the percentage of opportunities typically lost at each stage, and the top reasons for those losses.

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John Mecke
John Mecke

Written by John Mecke

John has over 25 years of experience in leading product management and corporate development organizations for enterprise firms.