B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
86%
86% -- percentage of agencies with retainers under 10k for SEO agencies (2025)
86% of SEO agencies have monthly retainers of $10,000 or less according to a Sparktoro panel of 376 agencies in 2025.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
86%
Unit
Percentage
Data Vintage
2025
Entity
Sample Size
376
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Sparktoro
Primary
Tier B
https://arvow.com/blog/seo-agency-statistics-2026 ↗
Source Article
SEO Agency Statistics 2026: 89+ Sourced Stats
Original Research
Sparktoro
· Original study ↗
Methodology
Sparktoro 376-agency panel
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
SEO agencies: 86% percentage of agencies with retainers under 10k. Source: Sparktoro (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/agencies-retainers-under-10k
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<blockquote cite="https://lighthousedata.io/data/agencies-retainers-under-10k" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>86%</strong> -- percentage of agencies with retainers under 10k for SEO agencies<br><small>Source: Sparktoro (2025) · <a href="https://lighthousedata.io/data/agencies-retainers-under-10k" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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