B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
19
19 -- roas for Bergzeit direct mail campaign (2025)
Bergzeit achieved a ROAS of 19 with its revamped direct mail birthday campaign.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
19
Unit
Multiple
Data Vintage
2025
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
optilyz
Primary
Tier B
https://about.optilyz.com/posts/optilyz-direct-mail-automation-awards-2025-a-recap ↗
Source Article
optilyz-direct-mail-automation-awards-2025-a
Original Research
optilyz
· Original study ↗
Methodology
Single-company campaign result reported by optilyz Direct Mail Automation Awards 2025 (ROI Leader award)
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Bergzeit direct mail campaign: 19 roas. Source: optilyz (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/bergzeit-birthday-mailing-roas-2025
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<blockquote cite="https://lighthousedata.io/data/bergzeit-birthday-mailing-roas-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>19</strong> -- roas for Bergzeit direct mail campaign<br><small>Source: optilyz (2025) · <a href="https://lighthousedata.io/data/bergzeit-birthday-mailing-roas-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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