Private company

Stagwell

American marketing group

Stagwell Inc., formerly The Stagwell Group, is a global marketing and communications group founded in 2015 by Mark Penn. In 2020, The Stagwell Group announced plans to merge with its affiliate MDC Partners.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Stagwell Inc., formerly The Stagwell Group, is a global marketing and communications group founded in 2015 by Mark Penn. In 2020, The Stagwell Group announced plans to merge with its affiliate MDC Partners.2

Sources

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