B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

25%

25% -- profit increase from 5pct retention lift for Businesses (customer retention economics) (2026)

Name: Profit Increase From 5pct Retention Lift Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-19

2026 · Harvard Business School

Increasing customer retention by 5% increases profits by 25% to 95%.

Reported as a range from 25% to 95%

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Attribution: Harvard Business School View source

Lighthouse Research Team

Last verified: 2026-09-19 · How we verify data →

Source verified Evidence graded

Value

25%

Unit

Percentage

Data Vintage

2026

Entity

Businesses (customer retention economics)

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Harvard Business School Primary Tier C

https://syntropygroup.com/onboarding-solutions/ ↗

Confidence: 48/100 Vintage: 2026 Channel: Wayback

Source Article

Onboarding Solutions – Syntropy Group

Onboarding Solutions Onboarding programs create more profitable customers and reduce attrition, increasing customer retention by 5% increases profits by 25% to 95% (Harvard Business School). A properly onboarded checking customer is more likely to set up direct deposit, bill pay, and other “sticky” …

Original Research

Harvard Business School · Original study ↗

Methodology

Source reports a range (25%-95%); midpoint 60% used per extraction rules. Well-known retention economics finding attributed to Harvard Business School (commonly associated with Bain & Co./Reichheld research). Page has no collection date; page archived Dec 2023 via web.archive.org, vintage set to article collection year per instructions.

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Businesses (customer retention economics): 25% profit increase from 5pct retention lift. Source: Harvard Business School (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/retention-lift-profit-increase

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<blockquote cite="https://lighthousedata.io/data/retention-lift-profit-increase" 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 retention lift for Businesses (customer retention economics)<br><small>Source: Harvard Business School (2026) · <a href="https://lighthousedata.io/data/retention-lift-profit-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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