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Mediahub Australia
Sydney, New South Wales, Australia
51-200 employees
Sourced & current · updated Sep 27, 2026
Mediahub Australia is a full-service media agency operating as a joint venture between Omnicom and the independent Attivo Group, continuing as a standalone entity even after Mediahub merged globally into Hearts United in 2026.
Where they sit
Stack tier: Marketing Technology (C)
Marketing Agency
A mid-tier full-service media agency in Australia with a distinctive joint-venture structure, operating independently from the broader Omnicom Hearts United rebrand that affected the rest of the Mediahub global network.
Ownership
Parent: Omnicom Group / Attivo Group (joint venture)