Omnicom and Interpublic reveal plans for a significant merger, reshaping the landscape of global advertising and marketing services.

Two former WPP Group USA Inc. employees filed a proposed class action saying the advertising and public relations company mismanaged their retirement plan by using money forfeited by departing ...

WPP PLC WPP shares shed 1.54% to £8.80 Monday, on what proved to be an all-around grim trading session for the stock market, ...

Advertising giant WPP and music label Universal Music Group have partnered on a project to use music in helping provide ...

In accordance with latest findings, the deal will position the combined group to achieve a 15.5% global market share, with ...