B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$4
$4 -- cost per service interaction for email customer service (2026)
An email customer service interaction costs approximately $4.50.
- Vendor-cited benchmark without primary source methodology
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
$4
Unit
Currency Usd
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
astutesolutions.com
Primary
Tier C
https://astutesolutions.com/cxm/customer-engagement-software ↗
Source Article
Customer Engagement Software
Original Research
astutesolutions.com
· Original study ↗
Methodology
Vendor-cited benchmark; original source not identified
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email customer service: $4 cost per service interaction. Source: astutesolutions.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-service-cost-per-interaction
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<blockquote cite="https://lighthousedata.io/data/email-service-cost-per-interaction" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$4</strong> -- cost per service interaction for email customer service<br><small>Source: astutesolutions.com (2026) · <a href="https://lighthousedata.io/data/email-service-cost-per-interaction" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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