B
Evidence Grade B
Graded
under review
Safe to Cite
Current
25%
25% -- profit increase from 5pct customer retention increase for Businesses (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
25%
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://www.brevo.com/blog/crm-for-service-business/ ↗
Source Article
CRM for Service Businesses: Manage Clients & Jobs | Brevo
If you run a service business, your day is a stack of moving parts: quotes to send, jobs to schedule, clients to follow up with, invoices chasing payment. The work is both time-based and relationship-based, and most of it lives in your head, a shared calendar, a notebook in the van, and three differ…
Original Research
Bain & Company
· Original study ↗
Methodology
Research by Fred Reichheld of Bain & Company, cited by Brevo; value reported as 'more than 25%'
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Businesses: 25% profit increase from 5pct customer retention increase. Source: Bain & Company (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/bain-retention-5pct-profit-25pct
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<blockquote cite="https://lighthousedata.io/data/bain-retention-5pct-profit-25pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- profit increase from 5pct customer retention increase for Businesses<br><small>Source: Bain & Company (2026) · <a href="https://lighthousedata.io/data/bain-retention-5pct-profit-25pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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