B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
4.33x
4.33x -- median revenue roi for UK brands (2026)
Successful UK brands achieve a median revenue ROI of 4.33:1 based on WARC's review of 1,537 case studies.
- Applies to successful UK brand campaigns reviewed by WARC
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
4.33x
Unit
Ratio
Data Vintage
2026
Entity
Sample Size
1,537
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
20
Independence
30
Methodology
45
Freshness
95
Source
WARC
Primary
Tier C
https://www.warc.com/ ↗
Source Article
How to Measure Marketing ROI: Formulas & Attribution Guide | Ryesing
How to Measure Marketing ROI The Right Way
- Emmanuel
- 2 days ago
- 16 min read
To really measure your marketing ROI, you have to nail down the financial return relative to what you spent. The classic formula is pretty simple: (Revenue from Marketing - Marketing Investment) / Marketing Investment x…
Original Research
WARC
· Original study ↗
Methodology
WARC review of 1,537 marketing case studies; median revenue ROI across successful UK brand campaigns
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
UK brands: 4.33x median revenue roi. Source: WARC (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/warc-uk-brands-median-revenue-roi-433
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<blockquote cite="https://lighthousedata.io/data/warc-uk-brands-median-revenue-roi-433" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4.33x</strong> -- median revenue roi for UK brands<br><small>Source: WARC (2026) · <a href="https://lighthousedata.io/data/warc-uk-brands-median-revenue-roi-433" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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