Media Tonic was started by Peter Wright in 1994 and run by David Fare and Mark Treasure, representing significant electronic media, publishing, agency and sports experience with a portfolio of media assets. Renamed Media Tonic in 2006, it represents some outstanding media properties in the West Australian market, spanning television, radio, sponsorship, print and Out of Home advertising. In the Media Tonic portfolio is Business News (digital assets), oOh!media, MCn (Foxtel), the Australian Traffic Network, reiwa.com and communitynews.com.au.
In March 2019, Mark Treasure was appointed sales director of WA at oOh!media as the company sets up a new dedicated office in Perth. He remains a director of Media Tonic.