Programmatic out-of-home in South Africa: what is actually addressable today

South African out-of-home is digitising quickly, but from a low base, and the programmatic layer is younger still. The accurate framing is early-mover, not late: the infrastructure is live, a trading currency exists, and very few advertisers in this market are using it with any discipline.

This is a market briefing rather than a proposal. It carries no budget figure, no CPM and no forecast, because no reliable public South African DOOH CPM data exists and partner rates depend on a defined flight. It is published so a first conversation can start from evidence instead of a rate card.

What is actually addressable today

Most market overviews mislead here, because vendor pages quote national screen counts that include inventory no demand-side platform can reach. Against a live inventory plan pulled for South Africa across outdoor, retail and transit venue types: 910 screens across 811 sites, 17 media owners within that single supply path, and 2.05 billion impressions of capacity across a four-week window. Twenty-eight owners are visible across all connected supply paths — a wider pool than any single plan shows. Tractor Outdoor, JCDecaux ZA and Primedia Outdoor carry the largest verified estates.

The measurement gap is the reason to look

South African out-of-home has an evidence problem the industry names openly. Roughly half of DOOH investment in the market cannot be independently verified. Around a quarter of roadside digital screens were found non-functional during a national audit, attributed to loadshedding. The audit infrastructure exists — some 14,000 billboard faces across 500 towns and more than 250 media owners, twice a year — but the delivery proof largely does not.

Bought conventionally, an out-of-home budget produces a photograph and an invoice. Bought programmatically, the same sites produce screen-level delivery data and exposure that can be built into an addressable audience — an asset that outlives the flight. That is the argument, and it holds even where the media plan itself would not change much.

Who is already buying this way

Programmatic DOOH is not theoretical in this market, but the list of advertisers who have run it is short — which is itself the point. HP ran it in 2023 and published a 27% lift in purchase consideration across 3.7 million impressions. Vodacom ran a market-first programmatic DOOH campaign in 2021 across high-traffic Johannesburg sites, bought in-house. Zoho ran a brand-lift attribution study in 2024 across 198 geo-fenced premium sites, reporting 53% recall among multi-exposed audiences. Programmatic accounts for roughly 7 to 8% of DOOH spend globally. It is still a differentiator here, not table stakes.

Where it runs

All of it runs through one existing Trade Desk seat, alongside display, video, connected TV and audio — same audiences, same frequency control, same reporting. Three supply paths reach the market: Perion, which trades under that name since the Hivestack brand was retired in early 2025; Broadsign, now including Place Exchange following the November 2025 acquisition, reaching Primedia Outdoor, Provantage and transit networks; and VIOOH, which reaches JCDecaux South Africa across malls, rail, roadside and airports.

Agree the number before the first flight, not in week three

South Africa has the only out-of-home trading currency in Africa — the Out of Home Measurement Council's ROAD 2.0, reporting Visibility Adjusted Contacts, attention-weighted for vehicle speed, dwell time and visibility cones. ROAD figures will not reconcile with Trade Desk impressions, and neither will reconcile cleanly with proof-of-play verification. That is a property of three different measurement systems rather than a fault in any one of them. The reconciliation layer belongs in the reporting design up front, with agreement on which number is the decision number before a flight starts.

What a first step looks like

Thirty minutes on which markets matter, what the physical footprint looks like, and whether out-of-home currently sits with brand, performance or an agency — enough to establish whether any of this is worth your time before either side does work. If it is, the commercial gaps get closed against your actual geography, and a first flight is scoped to prove something specific: one month, geographically focused rather than national, in a separate campaign structure so it never contaminates the read on anything already running.

ThumbAd is an independent programmatic trading desk in Oslo, trading on The Trade Desk since 2012. Written to torolav@thumbad.com gets a written answer.