B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
18%
18% -- annual client churn rate for retainer-model agencies (2026)
Retainer-based agencies have an annual client churn rate of 18%, compared to 42% for project-based agencies.
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
18%
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
Focus Digital
Primary
Tier C
https://arvow.com/blog/seo-agency-statistics-2026 ↗
Source Article
SEO Agency Statistics 2026: 89+ Sourced Stats
Original Research
Focus Digital
· Original study ↗
Methodology
Focus Digital 2026
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
retainer-model agencies: 18% annual client churn rate. Source: Focus Digital (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/retainer-churn-18
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<blockquote cite="https://lighthousedata.io/data/retainer-churn-18" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>18%</strong> -- annual client churn rate for retainer-model agencies<br><small>Source: Focus Digital (2026) · <a href="https://lighthousedata.io/data/retainer-churn-18" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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