OMD Australia has topped the COMvergence Media Agency Billings and Market Share report.
On an agency level, OMD was first in the media agency billings league in Australia with $USD982M million for 2025, according to final numbers calculated by independent research company COMvergence.
EssenceMediacom came in second ($689M million) and then Wavemaker ($541M million).
Among groups, WPP was first ($1,695M), followed by Omnicom Media Group ($1,550M billion) and Publicis Media ($1,179M million).
"This 2025 COMvergence result is a reflection of the transformation we’ve delivered over the past few years, building sustainable growth and real new business momentum," said Aimee Buchanan, CEO at WPP Media Australia & New Zealand.
"While scale is important, we’re equally proud of what sits behind it - the strength of our people, the trust we’ve built with our clients, and the future facing capabilities we’ve developed and grown.”
COMvergence noted the acquisition of IPG by Omnicom was approved in late 2025.
If the media billings figures of Mediabrands and OMG were combined into the new Omnicom Media (OM) group, it would bring the total to $2.4 billion, placing the new group in a potential first position.
Digital media accounted for 64% of Australia media billings in 2025, totalling USD $4 billion across the Big 6 groups and major independent agencies.
That percentage of digital share places Australia 5th out of the 50 markets COMvergence studied.
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