B
Evidence Grade B
Graded
under review
Safe to Cite
Current
50%
50% -- close rate lift for Business proposals with customized executive summaries (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2026
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
decktopus.com
Primary
Tier C
https://www.decktopus.com/blog/business-proposal ↗
Source Article
How to Write a Business Proposal: A Comprehensive Guide With Template for Success - Decktopus AI
Sales & Proposals
How to Write a Business Proposal: A Comprehensive Guide With Template for Success
Learn the 15-section business proposal framework, verified best practices from top sales research, real-world examples, and how to turn your proposal into a client-ready deck fast.
İlayda Tunaboylu
Wh…
Original Research
decktopus.com
· Original study ↗
Methodology
Upper-bound figure cited via Decktopus blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Business proposals with customized executive summaries: 50% close rate lift. Source: decktopus.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/custom-executive-summary-close-lift-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/custom-executive-summary-close-lift-2026" 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 Business proposals with customized executive summaries<br><small>Source: decktopus.com (2026) · <a href="https://lighthousedata.io/data/custom-executive-summary-close-lift-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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