Billboards work for B2B. National billboards don't.
The channel fails when it's bought like awareness and succeeds when it's bought like a siege of four square miles.
Does OOH work for B2B? Yes, when your buyers cluster geographically and you concentrate hard enough to achieve real frequency. A B2B company with 4,000 target buyers in three cities can dominate their commute for the price of a fractional national campaign. Bought broadly, OOH is the fastest way to spend six figures on impressions among people who will never buy.
Where OOH works, and where it doesn't.
Where it works
- Buyers concentrated in identifiable geography, a single tech corridor or financial district
- Conference weeks, where your entire market walks the same four blocks for three days
- Categories where credibility is the barrier and physical presence signals permanence
Where it doesn't
- Distributed buyers across dozens of markets
- Any budget too small to achieve frequency in the market you pick
- Teams that need a monthly ROAS number to justify a line item
Three expensive mistakes.
Buying reach instead of frequency.
Ten boards across ten markets produce ten forgettable impressions. Ten boards on one corridor produce a market where your name is unavoidable. Concentration is the entire strategy, and it's counterintuitive to anyone trained on digital reach.
Ignoring the four-week buying cycle.
Traditional OOH sells in four-week periods with production lead times of two to four weeks and minimums that often run twelve. A campaign planned three weeks out gets whatever inventory nobody wanted.
Measuring on impressions.
Geopath ratings tell you how many people could have seen it. That's inventory data, not performance data. The honest read is brand search lift in the exposed market against a matched control, plus direct traffic.
What actually gets built.
Geographic Concentration
One or two markets, dominated, rather than presence spread thin enough to be invisible everywhere.
Conference Siege Planning
Inventory locked months ahead around the events where your entire buying market is physically in one place.
Geo Holdout Design
Matched exposed and control markets defined before launch, with brand search volume and direct traffic as the primary read.
Creative Built for Six Words
A driver has about two seconds. Anything requiring a second clause is a wasted board.
The honest part.
If your buyers are distributed across twenty markets, skip it. If you can't fund enough frequency in one market to be unavoidable, skip it: half-presence is worse than absence, because you pay for both the media and the forgetting.
And if nobody in your organization will accept brand search lift as a success metric, don't start. You'll cancel it in month two and conclude the channel doesn't work.
What buyers ask first.
Related: DOOH · Measurement · Growth Strategy
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