OHMSA – Out of Home Media South Africa (OHMSA) is the trade association for the out of home media industry in South Africa.

OMC – Out of Home Measurement Council, is a non-profit body set up to oversee the research, methodology, reach and frequency of Out of Home media in South Africa. The objective is to develop a currency for the out of home media which is comparable and can be evaluated against other media types, such as TV, print and radio.

Outdoor Network or ON – Outdoor Network, the third largest out of home media company in South Africa.

Opportunity to See (OTS) – A basic measure of media exposure. OTS estimates are measures of media exposure. This term is used when quantifying how many exposures / average frequency a campaign should be planned to achieve. That is over the duration of the campaign an average person in our target audience should have the OTS 3 or more commercials.

Out of Home Media (OOH) 
– All advertising signage found outside the home specifically intended to reach consumers outside the home. Out-of-home advertising (aka OOH advertising or outdoor advertising) or out-of-home media (aka OOH media or outdoor media) is advertising that reaches the consumers while they are outside their homes.

Want to speak to one of our expert sales professionals?


More information on one of the other markets we cover!


Our frequently asked questions section.