B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
50%
50% -- close rate lift for Proposals with customized executive summaries (2025)
Customized executive summaries alone lift proposal close rates by up to 50%.
- Up to 50%
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Proposify
Primary
Tier C
https://www.decktopus.com/blog/project-proposal-template ↗
Source Article
Mastering Project Proposals: Your Ultimate Guide to Effective Proposal Templates - Decktopus AI
Sales & Proposals
Mastering Project Proposals: Your Ultimate Guide to Effective Proposal Templates
Learn the 7-step project proposal framework, the 11 essential elements every proposal needs, industry-specific use cases, and how to turn your proposal into a client-ready presentation deck fast.
İlayd…
Original Research
Proposify
· Original study ↗
Methodology
Cited sales and proposal research from Proposify and independent industry data
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Proposals with customized executive summaries: 50% close rate lift. Source: Proposify (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/custom-exec-summary-close-lift
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<blockquote cite="https://lighthousedata.io/data/custom-exec-summary-close-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- close rate lift for Proposals with customized executive summaries<br><small>Source: Proposify (2025) · <a href="https://lighthousedata.io/data/custom-exec-summary-close-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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