B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
5.61x
5.61x -- long term advertising roi for TV advertising (2025)
TV advertising delivers the strongest long-term ROI of any channel at £5.61 return per £1 invested, according to Profit Ability 2.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
5.61x
Unit
Ratio
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Thinkbox
Primary
Tier A
https://www.thinkbox.tv/why-tv/tv-is-unbeatable-value ↗
Source Article
TV is unbeatable value
TV advertising gives brands remarkable value.It’s accessible to businesses of any size; measurably more cost-efficient than social video; delivers free bonus exposure beyond target audiences; drives sales, profit, and long-term brand growth…and does all of this in a trusted, brand safe, premium envi…
Original Research
Thinkbox
· Original study ↗
Methodology
Cited from the Profit Ability 2 study: strongest long-term ROI of any channel (£5.61 return, per £1 invested)
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
TV advertising: 5.61x long term advertising roi. Source: Thinkbox (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/tv-long-term-roi-uk-561
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<blockquote cite="https://lighthousedata.io/data/tv-long-term-roi-uk-561" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5.61x</strong> -- long term advertising roi for TV advertising<br><small>Source: Thinkbox (2025) · <a href="https://lighthousedata.io/data/tv-long-term-roi-uk-561" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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