Despite the growth of digital media, radio remains one of the most widely used platforms across South Africa, and a well-planned radio advertising campaign can still offer a strong return for small businesses looking to diversify beyond digital channels alone.
Reaching the right audience
Choosing the right station matters more than reach alone, a locally-focused business gets far better value from smaller, local stations than from expensive national ones that mostly reach people outside its service area. Understanding a station’s listener demographics and habits, including its busiest listening times, helps determine whether it genuinely matches a business’s target audience before committing any budget.
Crafting an effective radio ad
A clear, concise message that differentiates a business from competitors matters more on radio than almost any other channel, since listeners only get one chance to hear it. The tone should match the station’s own audience and style, and while radio ads are simpler to produce than video, using a professional sound engineer still makes a meaningful difference to how polished and effective the final ad sounds.
Budgeting and tracking results
Radio advertising costs scale with ad length and scheduling, longer ads and peak listening slots both cost more, so budgeting carefully around a station’s actual audience patterns avoids overspending on the wrong time slots. As with any advertising channel, tracking the campaign’s actual impact on enquiries or sales is what determines whether radio is worth repeating for a specific business.
Frequently asked questions
Is radio still worth advertising on given how much marketing has moved online?
Yes, radio remains a widely used medium in South Africa and can offer a strong return, particularly for locally-focused businesses.
Should a local business advertise on national or local radio stations?
Local stations, since national advertising mostly reaches people outside a local business’s actual service area.
What makes a radio ad effective?
A clear, concise message that stands out, delivered in a tone that matches the station’s own audience.
How is radio advertising typically priced?
Based on ad length and scheduling, with longer ads and peak listening slots both costing more.
How can a business measure whether a radio campaign was worth it?
By tracking its actual impact on enquiries or sales, the same way any other advertising channel should be measured.
Broadcast media context via the Department of Communications and Digital Technologies.
Originally published in February 2024. Updated September 2026.
