25%
25% -- profit increase from 5pct customer retention increase for Company profits from increasing customer retention rates (Bain & Company research) (2026)
Increasing customer retention rates by 5% increases company profits by 25% to 95%.
- Bain & Company research cited secondhand without publication date or underlying dataset specifications
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Source reports a range (25%-95%); midpoint 60% extracted per normalization rules. Bain & Company customer loyalty research cited secondhand without a publication date; data_vintage set to collection year per rules. Included under marketing scope as it measures ROI of a customer outcome (retention), not generic profit.
<blockquote cite="https://lighthousedata.io/data/bain-5-percent-retention-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 customer retention increase for Company profits from increasing customer retention rates (Bain & Company research)<br><small>Source: Bain & Company (2026) · <a href="https://lighthousedata.io/data/bain-5-percent-retention-profit-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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