7 Largest Advertising Agencies

Branding and marketing depend on advertising firms. They assist firms to reach their target audience, establish brand loyalty, and increase sales. New technology and methods emerge in a competitive industry. 

Globally, hundreds of advertising companies have their own specialties. Some agencies are industry leaders and consistently offer high-quality work. Creative, innovative, and successful campaigns are characteristic of these top advertising companies.

They have big teams of competent advertising specialists in market research, branding, creative creation, media strategy, and analytics. They use cutting-edge technology and resources to remain ahead of the curve and produce the greatest customer outcomes.

These top advertising companies can adapt to market changes despite their size. They know organizations’ demands change and search for new ways to provide value. These agencies know how to sell in today’s fast-paced world with innovative campaigns, digital marketing, and influencer collaborations.

Advertising is full of competent and inventive firms with distinct strengths and capabilities. These 7 largest advertising agencies can help you establish your brand, reach your target audience, or spread your message.

  1. PwC Digital Services

Revenue in 2021: USD 8.9 billion
Headquarters: London, England, UK
Estimated Human Resources: Data Deficient
Year Founded: 2014 – Digital Services Unit

PwC Digital Services Source: Wikimedia

PwC Digital Services is a business entity that operates as part of the larger PwC network of professional service providers (PricewaterhouseCoopers).

It focuses on assisting businesses in navigating the hurdles of digital transformation and in harnessing the potential of technology to create development and innovation in business. PwC Digital Services, its offerings, and its influence on the corporate sector will be the focus of this essay.

It was able to assist a global healthcare provider in developing a mobile app that allows users to monitor their current health condition and connect with their respective healthcare professionals. The application has led to better patient results and lower overall healthcare expenses.

Did You Know?

PwC Digital Services has a huge influence on the world of business. Several businesses have been able to realize their visions of digital transformation and accelerate their development thanks to the assistance provided by this technology.

  1. Dentsu Group, Inc.

Revenue in 2021: USD 9.9 billion
Headquarters: Minato, Tokyo, Japan
Estimated Human Resources: 62,608
Year Founded: 1901

Dentsu Group, Inc.Source: Wikimedia

Dentsu Inc. is a Japanese worldwide joint stock corporation specializing in advertising and public relations. Its headquarters are located in Tokyo.

The history of Dentsu can be traced back to 1901, when Hoshiro Mitsunaga, a journalist from Osaka, founded two companies that were closely related to one another. These companies were the Telegraphic Service Company, a major newsgroup, and Japan Advertising Ltd., an advertising space dealer.

The advertising agency Dentsu is now the biggest in Japan, and the Dentsu Network is the sixth largest advertising agency network in the world regarding international sales.

Did You Know?

Dentsu is responsible for around 28 percent of Japan’s total advertising expenditures and conducts business with practically all the country’s most important institutions.

  1. Interpublic Group

Revenue in 2021: USD 10.2 billion
Headquarters: 909 Third Avenue, New York City, United States
Estimated Human Resources: 54,000
Year Founded: 1930

Interpublic GroupSource: Wikimedia

The Interpublic Group is a leading marketing solutions supplier on a worldwide scale. Our firms are experts in advertising, digital marketing, communications planning, media, public relations, and specialty marketing, and they have roughly 58,000 workers working across the most important markets globally.

H.K. McCann Co., established in 1911, and Erickson Co., established in 1902, united to become IPG on October 2, 1930, in New York City. At the time, the company was known as McCann-Erickson. It was the most successful advertising agency then, making it the industry leader.

IPG is made up of many different companies that are categorized into six different areas. There are three global networks: Foote, Cone & Belding (FCB), McCann Worldgroup, and MullenLowe.

Did You Know?

There is a media services company known as IPG Mediabrands, a marketing services group known as Marketing Specialists, and several domestic digital agencies independent of one another.

  1. Accenture Song

Revenue in 2021: USD 12.5 billion
Headquarters: Dublin, Ireland
Estimated Human Resources: Data Deficient
Year Founded: 2022 as Song, 2009 as Interactive

Accenture SongSource: Wikimedia

Accenture Interactive, founded in 2009 and has since grown to become the biggest digital agency in the world, is now known as Accenture Song.

This new name incorporates the company’s more than 40 acquisitions over the previous decade.

According to the company that provides professional services, the rebranding reflects a post-pandemic world and communicates a lasting type of human skill and connection that mixes with technology competence.

Did You Know?

Accenture Interactive’s Agency Report for 2016, Ad Age recognized Accenture Interactive, a division of Accenture Digital, as the digital agency network that is both the biggest and the fastest expanding in the United States and internationally.

  1. Publicis Groupe

Revenue in 2021: USD 13.9 billion
Headquarters: Paris, France
Estimated Human Resources: 88,531
Year Founded: 1926

Publicis GroupeSource: Wikimedia

Publicis Groupe is a French multinational corporation specializing in advertising and public relations.

The company’s headquarters are located in Paris, and it is one of the world’s oldest and biggest marketing and communications firms in terms of revenue. In 1926, Marcel Bleustein-Blanchet, who was just 20 years old at the time, established the corporation.

It is effective because of its close relationships with high-ranking government officials, its clever use of icons to publicize itself, and its capacity to get clients from a wide range of growing industries.

Did You Know?

Publicis Groupe was a pioneer in advocating France’s economic growth after World War II, especially the growth of the advertising business.

  1. Omnicom Group

Revenue in 2021: USD 14.3 billion
Headquarters: New York City, New York, United States
Estimated Human Resources: 64,100
Year Founded: 1986

Omnicom GroupSource: Wikimedia

The New York City-based Omnicom Group Inc. is a worldwide holding corporation that operates in the United States in media, marketing, and corporate communications.

Advertising, customer relationship management (CRM), public relations, and specialized services are the four areas that are serviced by Omnicom’s branded networks and specialty businesses.

Omnicom was founded in 1986 via the three-way merger of BBDO Worldwide, Doyle Dane Bernbach, and Needham Harper Worldwide. The founders of Omnicom were Allen Rosenshine, Keith Reinhard, and John Bernbach, the son of William Bernbach.

Did You Know?

In July 2013, it was reported that Publicis Groupe and Omnicom Group will combine to establish a new company called Publicis Omnicom Group. However, in May 2014, it was revealed that the transaction had fallen through and that the Publicis-Omnicom merger would not occur.

  1. WPP

Revenue in 2021: USD 17.6 billion
Headquarters: London, England, UK
Estimated Human Resources: 109,000
Year Founded: 1971

WPPSource: Wikimedia

WPP is the largest advertising agency in the world. It is a holding company that operates in communications, advertising, public relations, technology, and commerce. It is a British multinational corporation with its headquarters in London, England. It was the biggest advertising corporation on the whole planet.

In 1971, the firm that is now known as Wire and Plastic Products plc was first established to produce wire shopping baskets. In 1985, Martin Sorrell and Preston Rabl purchased a majority position in the firm since they were looking for a listed company through which they could establish an international marketing services company.

WPP continues to expand its business via mergers and acquisitions during the 1990s, purchasing companies in various sectors, including retail and corporate consulting, healthcare advertising, online shopping, digital media, data management, digital marketing, and sports marketing.

Did You Know?

WPP embarked on a growth strategy that relied heavily on acquisitions in the 1980s. The group continued this pattern into its latter years, purchasing dozens of firms yearly.


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