B
Evidence Grade B
Graded
under review
Safe to Cite
Current
42%
42% -- percentage of organizations ranking email as most effective lead generation channel for organizations (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
42%
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
60
Independence
30
Methodology
45
Freshness
95
Source
wowcustomersupport.com
Primary
Tier C
https://www.wowcustomersupport.com/blog/in-house-vs-outsourcing-lead-generation-the-choice-that-impr… ↗
Source Article
In-House vs Outsourcing: Which Improves ROI in 2026?
Lead generation is the process of prospecting and converting the target customers into a person who indicates interest in the product or services that your business offers. Some common methods of lead generation include online and offline advertising, online events, inbound call center outsourcing, …
Original Research
wowcustomersupport.com
· Original study ↗
Methodology
Cited statistic supported by recent marketing reports, referenced in vendor blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
organizations: 42% percentage of organizations ranking email as most effective lead generation channel. Source: wowcustomersupport.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-effective-lead-gen-channel
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<blockquote cite="https://lighthousedata.io/data/email-effective-lead-gen-channel" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>42%</strong> -- percentage of organizations ranking email as most effective lead generation channel for organizations<br><small>Source: wowcustomersupport.com (2026) · <a href="https://lighthousedata.io/data/email-effective-lead-gen-channel" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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