Private company

TBWA\Chiat\Day

American advertising agency

TBWA\Chiat\Day ( CHY-at) is the American division of the advertising agency TBWA Worldwide. Created as a result of the 1995 merger of TBWA and Chiat/Day, the agency operates offices in Los Angeles, New York City, Nashville, and Mexico City.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1968Founded1

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052607-006-Chiat-Day
Photo: Bobak Ha'Eri, CC BY 3.0, via Wikimedia Commons3

TBWA\Chiat\Day ( CHY-at) is the American division of the advertising agency TBWA Worldwide. Created as a result of the 1995 merger of TBWA and Chiat/Day, the agency operates offices in Los Angeles, New York City, Nashville, and Mexico City.2

Corporate structure

TBWA\Chiat\Day is part of a group headed by Omnicom Group. 260 entities, 31 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Omnicom Group New York, New York, United States
    • BBDO JAPAN Tokyo, Japan
    • GMMB, Inc. Washington, Washington, United States
    • GMR Marketing California, California, United States
    • Goodby, Silverstein & Partners Sacramento, California, United States
    • I&S BBDO Osaka, Japan
    • Ketchum Inc. Los Angeles, California, United States
    • TBWA Worldwide New York, New York, United States
      • TBWA\Chiat\Day New York City
      • TBWA\HAKUHODO Subsidiary · Shibaura, Japan
    • Abbott Mead Vickers BBDO Subsidiary · London
    • BBDO Subsidiary · New York City
    • FleishmanHillard Subsidiary · St. Louis
    • Martin Williams Advertising Subsidiary · Minneapolis
    • OMD Worldwide Subsidiary · New York City
    • Proximity Worldwide Subsidiary
    • Romance Subsidiary
    • Magnon Interactive Private Limited Subsidiary · 89% · Noida, India
    • "OMD" SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Subsidiary · Warszawa, Poland
    • "OMNICOM MEDIA GROUP" SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Subsidiary · Warszawa, Poland
    • 99 ENTERPRISES LIMITED Subsidiary · Auckland, New Zealand
    • ABBOTT MEAD VICKERS GROUP LIMITED Subsidiary · London, United Kingdom
    • ACCESS INTEGRATED BRAND COMMUNICATIONS LIMITED Subsidiary · London, United Kingdom
    • Acxiom, LLC Subsidiary · Delaware, United States
    • ADELPHI COMMUNICATIONS LIMITED Subsidiary · Bollington, United Kingdom
    • ADELPHI GROUP LIMITED Subsidiary · Bollington, United Kingdom
    • ADELPHI INTERNATIONAL RESEARCH LIMITED Subsidiary · Bollington, United Kingdom
    • ADELPHI RESEARCH BY DESIGN LLC Subsidiary · Doylestown, Pennsylvania, United States
    • and 228 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1968Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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