B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
57%
57% -- local reputation increase for businesses that join their local chamber of commerce (2025)
Businesses that join their local chamber of commerce experience a 57% increase in local reputation according to a Shapiro Group study.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
57%
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
The Shapiro Group
Primary
Tier C
https://www.longmontchamber.org/theme-template-page-title-tester/ ↗
Source Article
Sample Page - Longmont Area Chamber of Commerce
Longmont Chamber Golf Tournament
Enjoy a relaxing day outdoors with friends, coworkers, and the Longmont Chamber community! The Longmont Chamber Golf Tournament is an 18-hole game exclusive to Longmont Area Chamber of Commerce members.
About
Swing into the season with the Longmont Chamber Golf Tourn…
Original Research
The Shapiro Group
· Original study ↗
Methodology
The Shapiro Group study, cited by Longmont Area Chamber of Commerce
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
businesses that join their local chamber of commerce: 57% local reputation increase. Source: The Shapiro Group (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chamber-membership-local-reputation-57
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<blockquote cite="https://lighthousedata.io/data/chamber-membership-local-reputation-57" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>57%</strong> -- local reputation increase for businesses that join their local chamber of commerce<br><small>Source: The Shapiro Group (2025) · <a href="https://lighthousedata.io/data/chamber-membership-local-reputation-57" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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