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Interpublic Group’s Mediabrands is dropping Donovan Data Systems as the main processor of its roughly $25 billion in North American media buying transactions, the company confirmed today. The shop has signed with MediaBank, a Chicago-based firm that has been challenging Donovan’s dominance in the field for several years now.
The switch will be completed around the middle of next year, and covers all IPG shops including Initiative, Universal McCann and Draftfcb.
The switch is a big blow to Donovan, which has been the largest player in the ad transactions processing space for decades.
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