B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
90%
90% -- client retention rate for Fractional CMO services (2026)
Mark Gabrielli / MarkCMO maintains a 90% client retention rate for its fractional CMO services.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
90%
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
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
83
Source
markcmo.com
Primary
Tier A
https://markcmo.com/city-pages/fractional-cmo-indianapolis-in ↗
Source Article
Fractional CMO Indianapolis, IN | Part-Time Chief Marketing Officer
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Fractional CMO · Indianapolis, IN
Indianapolis, IN
By Mark Gabrielli · Fractional CMO & COO · Last updated: May 2026
Senior marketing leadership for Indianapolis businesses -- w…
Original Research
markcmo.com
· Original study ↗
Methodology
Reported retention rate for clients
Methodology documented
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
Fractional CMO services: 90% client retention rate. Source: markcmo.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/client-retention-rate
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<blockquote cite="https://lighthousedata.io/data/client-retention-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>90%</strong> -- client retention rate for Fractional CMO services<br><small>Source: markcmo.com (2026) · <a href="https://lighthousedata.io/data/client-retention-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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