Holding Companies Are in Flux, Which May Lead to Less Diverse Portfolios

They are developing into core agencies as the ad industry transforms

Give our readers an inside look at your brand's marketing approach by joining the Adweek Columnist Network. If you're a VP or above, submit your pitch.

What is a holding company, and where did they come from in the advertising space? I saw the development of holding companies firsthand as a young advertising executive working for Dancer Fitzgerald Sample (DFS) in New York in the mid-1980s.