Observed Signal · Feb 11, 2026 · Industry Report · Source: ExchangeWire · Impact: 3/5 · Sentiment: Negative
UK Publishers Face Revenue Drop Amid Rising Ad Volumes
Pubstack's State of Programmatic UK 2025 shows a market where higher impression volumes did not protect publisher revenue. In 2025 UK programmatic impressions rose 10.51% year-on-year while programmatic revenue fell 2.29% year-on-year, driven by a 10.54% drop in eCPM. The revenue decline was concentrated in Q4, which saw a 13.55% year-on-year reset. The report also documents a demand-mix shift: Google’s share fell by 3.64 percentage points while Prebid’s share increased by 3.79pp year-on-year. Pubstack says publishers sustained delivery through volume growth but faced pricing pressure that eroded monetisation; the report is presented as a benchmarking tool for UK premium publishers to diagnose leaks in pricing, quality, demand mix or auction efficiency.
The report documents a structural shift in UK programmatic: volume growth alongside falling eCPMs and revenue, plus demand-mix changes. This is a relevant benchmark for publishers and buyers and signals commercial pressure on programmatic monetisation.
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Key Takeaways & Evidence Grounding
- Pubstack published the UK edition of State of Programmatic 2025.
- UK programmatic impressions increased +10.51% year-on-year in 2025.
- Programmatic revenue declined -2.29% year-on-year in 2025; eCPM fell -10.54% year-on-year.
- Q4 2025 programmatic revenue declined -13.55% year-on-year.
- Demand mix shifted: Google share down -3.64 percentage points, Prebid up +3.79 percentage points year-on-year.
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3 Entities mappedRelated Market Signals & Shifts
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