Ebiquity’s subsidiary Firm Decisions has been summoned into court by Group M, WPP’s media buying agency. And WPP CEO Martin Sorrell argues that Ebiquity, the media auditor working with the Association of National Advertisers (ANA) and K2 Intelligence on the U.S. media transparency report, is ”heavily conflicted” because its subsidiary, FirmDecisions “audits whether agencies have complied with their contracts with advertisers while other parts of the business manage pitches for clients, advise them how to ‘secure better prices’ and audit media spend,” according to Gideon Spanier, writing on US Campaign.

The legal action disputes “the potential breach of a non-disclosure agreement involving ‘four or five’ different confidential documents that were sent in error to the auditor by Group M agencies,” writes Spanier.

Read the full MediaPost article here.