“Short-sighted”, “inflammatory” and “unsubstantiated” – the world’s largest holding companies have some strong words for Association of National Advertisers (ANA) as they try to distance themselves from the damming 58-page report into the long-running issue of agency rebates.

In the report, the trade body said it found evidence of “non-transparent business practices” – including cash rebates – which it claimed are pervasive in the US media buying landscape. It based its conclusions on “detailed source accounts from dozens of confidential, personal interviews as well as documentary evidence.”

Read the full The Drum article here.