B
Evidence Grade B
Graded
under review
Safe to Cite
Current
4%
4% -- revenue increase from excellent customer service for businesses excelling in customer service (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
4%
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
Bain & Company
Primary
Tier C
https://atidiv.com/customer-service-best-practices-strategies/ ↗
Source Article
Customer Service Best Practices: 10 Must
Original Research
Bain & Company
· Original study ↗
Methodology
Bain & Company study; range 4-8%, midpoint extracted
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
businesses excelling in customer service: 4% revenue increase from excellent customer service. Source: Bain & Company (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/bain-service-revenue-lift
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<blockquote cite="https://lighthousedata.io/data/bain-service-revenue-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4%</strong> -- revenue increase from excellent customer service for businesses excelling in customer service<br><small>Source: Bain & Company (2026) · <a href="https://lighthousedata.io/data/bain-service-revenue-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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