Stagwell Inc.

New York, NY, United States · Founded 2015

10001+ employees · STGW

Sourced & current · updated Oct 30, 2026Website

Stagwell Inc. is a global marketing and communications group founded in 2015 by Mark Penn, initially backed by a $250 million investment from former Microsoft CEO Steve Ballmer.

Where they sit

Stack tier: Ecosystem Services (A)

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A challenger global marketing holding company competing with legacy groups like WPP, Publicis, Omnicom, and IPG, differentiated by its digital-first, technology-integrated approach and aggressive growth through acquisitions