B Evidence Grade B Graded under review Safe to Cite Dated

81%

81% -- email primary customer acquisition channel share for Small and medium businesses (SMBs) (2021)

Name: Email Primary Customer Acquisition Channel Share Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-06

2021 · Emarsys

Cite this stat Share How we verify

Attribution: Emarsys View source

Lighthouse Research Team

Last verified: 2026-09-15 · How we verify data →

Source verified Evidence graded

Value

81%

Unit

Percentage

Data Vintage

2021

Entity

Small and medium businesses (SMBs)

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (2)

Emarsys Primary Tier C

https://www.trymaverick.com/blog-posts/maximizing-klaviyo-email-templates-with-ai-how-to-optimize-su… ↗

Confidence: 55/100 Vintage: 2021 Channel: Deep Crawl

Source Article

Maximizing Klaviyo Email Templates with AI: How to Optimize Subject Lines and Preview Texts for Better Engagement

Hold onto your marketing hats, folks, because email marketing is about to get a serious makeover. Did you know that a whopping 81% of small and medium businesses rely on email as their primary customer acquisition channel, and 80% for retention? (Source: Emarsys) That's right, email isn't just some …

Also cited by

Growth Collective https://web.archive.org/web/20231204122039id_/https://www.growthcollective.com/b…

2026-09-15

Original Research

Emarsys · Original study ↗

Methodology

Blog cites Emarsys ('Source: Emarsys') without a publication date; figure widely attributed to Emarsys' SMB email marketing research circa 2020-2021.

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Small and medium businesses (SMBs): 81% email primary customer acquisition channel share. Source: Emarsys (2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/smb-email-primary-customer-acquisition-channel-81

HTML Embed

<blockquote cite="https://lighthousedata.io/data/smb-email-primary-customer-acquisition-channel-81" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>81%</strong> -- email primary customer acquisition channel share for Small and medium businesses (SMBs)<br><small>Source: Emarsys (2021) · <a href="https://lighthousedata.io/data/smb-email-primary-customer-acquisition-channel-81" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

Share on X Share on LinkedIn

Use this data in your work

Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.

Copy citation Explore similar stats →