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Stagwell Inc.

Stagwell Inc.

New York, NY, United States · Founded 2015

10001+ employees · STGW

Sourced & current · updated Jul 31, 2026Website

NASDAQ:STGW marketing & communications holding company, founded 2015 by Mark Penn. Owns ~70 agencies across 34+ countries with ~$3B FY 2024 revenue. Combined with MDC Partners August 2021 in all-stock merger to form current public structure.

Where they sit

Stack tier: Ecosystem Services (A)

AI-Powered PlatformMarketing CloudMarketing Technology

Challenger holding company to WPP, Publicis, Omnicom, and IPG, differentiated by proprietary marketing technology and digital-first agency portfolio

Ownership

Subsidiaries

Key people

Pre-call brief from ATDb — sourced from the live database, current as of Jul 31, 2026. Not a static screenshot.