Bangkok's OOH market grew 23% in 2025 — faster than any other Thai media channel except TikTok Shop. The reasons aren't nostalgic; they're strategic.
The Return of OOH
Three things drove the surge. First, digital ad costs in Thailand kept rising while OOH CPM stayed flat — making OOH genuinely cheaper per impression at scale. Second, programmatic DOOH (Digital OOH) made buying flexible — short flights, dayparting, and audience-based targeting. Third, brand-builders rediscovered that physical presence in Sukhumvit, Asoke, Sathorn and Siam still confers cultural credibility that no digital placement matches.
OOH in the Channel Mix
The brands leading the charge aren't replacing digital with OOH. They're using OOH to amplify digital. A Sukhumvit billboard in launch week makes the TikTok ads feel like a movement, not a media buy. The combined media generates measurable lift that neither channel produces alone.
Key DOOH Formats
BTS station screens. CenterPoint anchored panels. Building-side LEDs in Asoke and Ratchada. Taxi-top screens (the most underrated Bangkok format right now). Each has a different audience, daypart sweet spot, and unit cost. The formats are fragmenting, which is good news — it means real targeting is becoming possible.
Measuring Campaigns
OOH measurement is improving but still imperfect. Geo-lift studies, footfall attribution, and brand survey lift are the three approaches that work. The mistake is forcing OOH into a click-attribution model — that's not what it's for.