B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
979
979 -- agencies tracked for UK advertising agencies (ALF coverage) (2026)
ALF includes 979 agencies that service top UK advertiser brands.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
979
Unit
Count
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
ALF (alfinsight.com)
Primary
Tier A
https://www.alfinsight.com/about-us/who-we-are/ ↗
Source Article
Who We Are
Original Research
ALF (alfinsight.com)
· Original study ↗
Methodology
ALF proprietary database coverage of UK agencies
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
UK advertising agencies (ALF coverage): 979 agencies tracked. Source: ALF (alfinsight.com) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/uk-agencies-servicing-brands
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<blockquote cite="https://lighthousedata.io/data/uk-agencies-servicing-brands" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>979</strong> -- agencies tracked for UK advertising agencies (ALF coverage)<br><small>Source: ALF (alfinsight.com) (2026) · <a href="https://lighthousedata.io/data/uk-agencies-servicing-brands" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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