tmex is “the new gold standard” in corporate trade. As a wholly owned subsidiary of WPP, the largest advertising conglomerate in the world, tmex is uniquely positioned to deliver the highest standards of trade performance in the media marketplace. Corporate Trade is used by many Fortune 1000 companies as a strategic marketing resource to restore full book valuation on under-performing assets. Powered by GroupM, tmex delivers superior media quality and accountability in corporate trade transactions.