OzTAM, a privately owned company headquartered in Australia, founded in 1999 and employing approximately 30 individuals, focuses on ad measurement and verification. The company operates as the official source of television audience measurement (TAM) covering Australia’s five mainland metropolitan markets including Sydney, Melbourne, Brisbane, Adelaide, and Perth, and nationally for subscription television. OzTAM owns and holds the copyright for the television audience data it delivers.
OzTAM launched a tender for its video measurement service on July 13, 2026, adopting a modular approach that allows participants to bid for specific components or the complete end-to-end process. Independent consultancy Pure X Media will support the tender with specialist knowledge in audience measurement processes. This follows OzTAM's invitation for tenders for Australian TV ratings on July 8, 2026, marking its first such contract tender in 25 years. Nielsen, which has been the ratings provider throughout that period, is expected to be one of the bidders. The tender aims to reset Australia’s television measurement market for its Total Video Measurement contract, addressing viewing fragmentation across broadcast, BVOD, and streaming. OzTAM initially announced on July 7, 2026, that it would conduct a tender for its Total Video Measurement service contract, emphasizing the importance of ensuring the underpinning technologies and methodologies continue to meet the future needs of Australia’s media industry as it evolves into a Total Video ecosystem.
OzTAM offers 3 products in the ad tech and services industry. OzTAM's product portfolio comprises of ad measurement and verification.
Subscribe for full access to OzTAM's products in full detail
Caretta Research has split OzTAM's revenue into 2 different product categories, the largest of which is display attribution and verification. For full access to OzTAM's revenue breakdown subscribe to Caretta Portal.
Subscribe for full access to OzTAM's revenue in full detail
Subscribe for full access to OzTAM's products in full detail 
