An American global media, marketing and corporate communications holding company, headquartered in New York City.


Media and Communications  

Omnicom Group Inc., together with its subsidiaries, provides advertising, marketing, and corporate communications services. It provides a range of services in the areas of advertising, customer relationship management, public relations, and healthcare. The company's services include advertising, branding, content marketing, corporate social responsibility consulting, crisis communications, custom publishing, data analytics, database management, digital/direct marketing, digital transformation, entertainment marketing, experiential marketing, field marketing, financial/corporate business-to-business advertising, graphic arts/digital imaging, healthcare marketing and communications, and in-store design services. Its services also comprise interactive marketing, investor relations, marketing research, media planning and buying, merchandising and point of sale, mobile marketing, multi-cultural marketing, non-profit marketing, organizational communications, package design, product placement, promotional marketing, public affairs, retail marketing, sales support, search engine marketing, shopper marketing, social media marketing, and sports and event marketing services. It operates in the United States, Canada, Puerto Rico, South America, Mexico, Europe, the Middle East, Africa, Australia, Greater China, India, Japan, Korea, New Zealand, Singapore, and other Asian countries. The company was incorporated in 1944 and is based in New York, New York.


Omnicom Group, one of the world's leading advertising and marketing services conglomerates, has a rich history that began in 1986. The company was co-created by Allen Rosenshine, Keith Reinhard, and John Bernbach, the son of William Bernbach. This collaboration resulted in a three-way merger of prominent advertising agencies: BBDO Worldwide, Doyle Dane Bernbach, and Needham Harper Worldwide.

In the early days of Omnicom, Allen Rosenshine assumed the role of Chairman. However, in 1989, he stepped down from this position to return to his responsibilities at BBDO Worldwide. Bruce Crawford, who had previously served as CEO of BBDO before leaving to run the Metropolitan Opera in 1985, then took on the role of Chairman at Omnicom.

A pivotal moment in Omnicom's history occurred in 1997 when John Wren, the number two executive at the company, was appointed as Chief Executive Officer. Bruce Crawford continued to contribute to the company as Chairman during this period, maintaining a stable leadership structure.

In July 2013, Omnicom made headlines with the announcement of a proposed merger with Publicis Groupe to form Publicis Omnicom Group. However, by May 2014, the deal fell through, and the merger did not proceed.

By 2014, Omnicom had solidified its position as the second-largest agency holding company globally, reporting revenues exceeding $15 billion. During this time, the company launched Omniwomen in April 2014, a strategic initiative aimed at increasing the number and influence of female leaders within the organization. Omniwomen expanded its presence with branches in the US, UK, Canada, France, Germany, China, and the UAE.

Omnicom continued to strengthen its leadership team and board of directors. In July 2017, Gracia Martore, former President and CEO of TEGNA Inc., joined Omnicom's Board as an independent director. The company continued to prioritize a diverse and independent board with subsequent appointments, including Ronnie S. Hawkins in February 2018.

In May 2018, Omnicom Group expanded its global footprint by bringing maslansky + partners, its language strategy agency, to Australia.

Significant changes occurred in the leadership structure in November 2021 when Daryl Simm was promoted to President and COO. The following month, Florian Adamski was announced as the next CEO of Omnicom Media Group, bringing his experience from a previous role as CEO at OMD Worldwide.

The history of Omnicom is characterized by strategic mergers, leadership transitions, global expansions, and a commitment to diversity and inclusion. Through its journey, Omnicom has consistently adapted to industry changes and maintained its position as a major player in the advertising and marketing services sector.


Omnicom Group's mission is to be a leading global marketing and corporate communications company, driving innovation and delivering impactful solutions for its clients. Committed to excellence and creativity, Omnicom aims to provide strategic and effective communication services that help its diverse portfolio of clients succeed in the dynamic and competitive business landscape. The company emphasizes collaboration, diversity, and a client-centric approach in achieving its mission to create value and build lasting relationships in the world of advertising and marketing.


Omnicom Group envisions a future where strategic creativity, innovation, and client collaboration define the landscape of global marketing and communication. Committed to excellence, diversity, and client success, Omnicom aspires to be a dynamic force driving transformative solutions in the ever-evolving world of advertising and marketing services.

Key Team

Mr. Philip J. Angelastro (Exec. VP & CFO)

Mr. Michael O'Brien (Exec. VP, Gen. Counsel & Sec.)

Mr. Thomas W. Watson (Co-Founder & Vice Chairman Emeritus)

Mr. Andrew L. Castellaneta (Sr. VP & Chief Accounting Officer)

Dr. Craig Cuyar (Sr. VP & Global Chief Information Officer)

Mr. Gregory H. Lundberg (Sr. VP of Investor Relations)

Ms. Joanne Trout (Chief Communications Officer of Worldwide Communications)

Products and Services

Omnicom Group is a global leader in marketing and corporate communications, offering a range of services, including:

Advertising: Creating and executing campaigns across various media platforms.

Marketing Communications: Integrated solutions for brand development, PR, content creation, and experiential marketing.

Digital Marketing: Strategies for navigating the digital landscape, including social media management and online advertising.

Media Planning and Buying: Optimization of ad placement across traditional and digital channels.

CRM: Customer relationship management strategies and data analytics.

Strategic Consulting: Providing insights and recommendations to navigate market trends.

Diversity and Inclusion Initiatives: Actively promoting diversity through initiatives like Omniwomen.


Omnicom Group | Wikipedia 

Omnicom Group | Crunchbase

Omnicom Group Inc. (OMC) | Yahoo Finance 

Omnicom Group Inc. (NYSE:OMC) Q3 2023 Earnings Call Transcript | Yahoo Finance 

Omnicom Media Group and NBCUniversal Partner to Deliver Transformational CTV Reporting Capability | Prnewswire

Omnicom Media Group launched an SSP Standardization Initiative | Martechcube

Omnicom Group Q3 revenue stands at $3,578 mn | Exchange4media

Omnicom Media Group Leaders Explain New Agency-as-a-Platform Model | Adweek 

Omnicom Group Inc. stock underperforms Thursday when compared to competitors | Marketwatch 

Omnicom Media Group makes its bid to determine incrementality in retail media via its CASA effort | Digiday 

Omnicom Group Inc. stock underperforms Thursday when compared to competitors | Marketwatch

Omnicom Group Expected to Post Higher Revenue -- Earnings Preview | Marketwatch

Omnicom Media Group aligns with SSPs through its CASA initiative to fight fraud and MFA abuse | Digiday

Omnicom Group Inc. stock outperforms market on strong trading day | Marketwatch

Here's Why You Should Retain Omnicom Group (OMC) for Now | Finance Yahoo 

Omnicom Media Group tackles standards across the media spectrum, starting with social | Digiday 

The latest ad industry salaries, revealed: Here's how much top agencies like WPP, Publicis, and Omnicom offered copywriters, data analysts, and project managers in 2023 | Businessinsider

Criteo Expands Partnership with Omnicom Media Group Providing Advertisers with Next-Level Commerce Insights | Prnewswire 

Omnicom Group ($OMC) Trading Report | News Stocktraders

Aditya Kanthy to lead Omnicom Advertising Services in India | Storyboard18

Leadership team

Mr. Daryl D. Simm (Pres & COO)

Mr. Jonathan B. Nelson (Founder & CEO of Omnicom Digital)


Media and Communications

Products/ Services
Advertising, Consulting, Direct Marketing, Marketing, Public Relations
Number of Employees
Above 50,000
New York, New York, United States
Company Registration
SEC CIK number: 0000029989
Net Income
1B - 20B
Above - 1B
Traded as
Social Media

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