Outside of Accenture, Ebiquity is widely regarded as the independent consultancy with the biggest auditing offer in the advertising space. Other firms include MediaSense, MediaPath, PricewaterhouseCoopers, KPMG and Abintus, which all vary in size and areas of expertise. Then there are the pitch consultancies, which tend to outsource their auditing projects to other specialist firms. Having so much choice has allowed some agency groups like Omnicom to sidestep, at a client-by-client level, the conflicts of interest that come from working with an auditing firm like Accenture.
Read the full article - WPP and Omnicom take a stand against Accenture-led audits