Private company

FleishmanHillard

Public relations and marketing agency

FleishmanHillard Inc. (formerly, Fleishman–Hillard) is a public relations and marketing agency founded and based in St. Louis, Missouri. It was acquired by Omnicom Group in 1997, becoming part of the Diversified Agency Services (DAS) division. The company was founded in 1946 by Alfred Fleishman and Robert E. Hillard.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1946Founded1

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FleishmanHillard Inc. (formerly, Fleishman–Hillard) is a public relations and marketing agency founded and based in St. Louis, Missouri. It was acquired by Omnicom Group in 1997, becoming part of the Diversified Agency Services (DAS) division. The company was founded in 1946 by Alfred Fleishman and Robert E. Hillard.2

Corporate structure

FleishmanHillard 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
    • FleishmanHillard St. Louis
    • 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
    • Abbott Mead Vickers BBDO Subsidiary · London
    • BBDO Subsidiary · New York City
    • 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.

The story

Founded by Alfred Fleishman and Robert E. Hillard in 1946.1

Leadership

Who has led FleishmanHillard, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Parent company

Subsidiaries

From Wikidata.1

Acquisitions

On February 10, 2026, Omnicom Public Relations Group announced that

Porter Novelli would be absorbed into FleishmanHillard as a dedicated

brand under FleishmanHillard's leadership, following Omnicom Group's

November 2025 acquisition of Interpublic Group. JJ Carter continued as

Read the full text

Global CEO of the combined agency, with Jillian Janaczek (formerly CEO of

Porter Novelli) named Americas CEO. The same restructuring announcement

merged Ketchum and Golin to form

Golin Ketchum. FleishmanHillard operates as one of four cornerstone

networks within OPRG, alongside Golin Ketchum, Weber Shandwick, and MMC.

From Wikipedia’s article on FleishmanHillard, shared under CC BY-SA 4.0.3

Timeline

  1. 1997Acquired Acquired by Omnicom Group1
  2. 1946Founded Founded1

Sources

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

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