B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$135
$135 -- average cost per lead for inbound marketing (2026)
HubSpot found that the average cost per lead for inbound marketing is $135.
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Lighthouse Research Team
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Evidence graded
Value
$135
Unit
Currency Usd
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.
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
50
Methodology
45
Freshness
90
Sources (2)
HubSpot
Primary
Tier A
https://www.brafton.co.uk/blog/seo/seo-and-inbound-marketing/ ↗
Source Article
SEO and Inbound Marketing: How They Work Together | Brafton
Some things are just better together: peanut butter and jelly, Minnie and Mickey Mouse, popcorn and shredded cheese (just me?). While these things can operate on their own, something magical happens when you put them together.
The same is true for SEO and inbound marketing. While these are both foun…
Also cited by
2026-08-05
Original Research
HubSpot
· Original study ↗
Methodology
HubSpot found that the average cost per lead for inbound marketing
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inbound marketing: $135 average cost per lead. Source: HubSpot (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/average-cost-per-lead-inbound-marketing
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<blockquote cite="https://lighthousedata.io/data/average-cost-per-lead-inbound-marketing" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$135</strong> -- average cost per lead for inbound marketing<br><small>Source: HubSpot (2026) · <a href="https://lighthousedata.io/data/average-cost-per-lead-inbound-marketing" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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