B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
40%
40% -- specialist price premium for certified specialist expertise firms (2026)
Certified specialists earn 40% to 100% more than equally experienced generalists across 900+ expertise firms.
- Reported as a range of 40-100% more
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
900
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
David Baker
Primary
Tier C
https://yourmachine.co/ar/blog ↗
Source Article
المدونة | منهجية MACHINE | Your Machine
The Referral Flywheel, by the Numbers: When a 25-Partner Network Stops Needing Marketing
Two benchmark ratios — 1.5 referrals per completed engagement and a 40% conversion rate on peer introductions — turn a 25-partner network into a demand engine that funds itself by Year 3. No projections, no hock…
Original Research
David Baker
· Original study ↗
Methodology
David Baker research across 900+ expertise firms; range 40-100%, midpoint 70% used
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
certified specialist expertise firms: 40% specialist price premium. Source: David Baker (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/specialist-premium-over-generalists
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<blockquote cite="https://lighthousedata.io/data/specialist-premium-over-generalists" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- specialist price premium for certified specialist expertise firms<br><small>Source: David Baker (2026) · <a href="https://lighthousedata.io/data/specialist-premium-over-generalists" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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