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COMvergence investigating its media agency billings report after complaints

International independent research company COMvergence is investigating its latest report on Australian media agency billings and market share following multiple agency complaints, Mumbrella understands.

Released last month, the report details business wins and losses and ranks media agencies according to total billings.

Mumbrella understands agencies have raised concerns about the report’s accuracy, forcing an investigation.

According to its website, the company’s purpose is “to analyse and measure the performances and strategic developments of the global marcom holding company agencies, major independents, and largest management consultancy firms”.

It does not disclose its methodology for ranking the agencies, nor its auditing and fact-checking practices.

COMvergence declined to comment when approached by Mumbrella.

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