The Top 4 Marketing Companies You Need to Know About

As an expert in the world of marketing, I have seen the industry evolve and grow over the years. One thing that remains constant is the presence of the big 4 marketing companies that dominate the market. These companies have a global reach and work with some of the biggest brands in the world. In this article, I will introduce you to these top players and give you a glimpse into their success stories.

Universal McCann

Universal McCann, also known as UM, is a creative media agency that is part of the Interpublic network.

With a client list that includes Johnson & Johnson, Coca-Cola, Fiat Chrysler Automobiles, and more, UM has established itself as a leader in the industry. As a member of the IPG Mediabrands group, UM works alongside other agencies such as Initiative, Magna, and Mediabrands Audience Platform. With over 100 offices in more than 100 countries and a team of over 4,800 employees, UM has a strong global presence.

Cheil Worldwide

Cheil Worldwide is South Korea's largest advertising agency and is owned by the Samsung Group. With a turnover three times higher than its closest domestic rival, Cheil has established itself as a major player in the industry.

The agency has 53 offices in 43 countries and employs over 6,200 people worldwide. Some of their major clients include Adidas, GE, Coca-Cola, Lego, Microsoft, and Shell.

Leo Burnett

Leo Burnett is one of the most recognized and well-known advertising agencies in the world. With a long history of advertising excellence, Leo Burnett is responsible for creating iconic branded characters such as Uncle Ben, The Jolly Green Giant, and Tony the Tiger. Today, the agency is still known for its creativity and has 85 offices and over 8,000 employees.

Leo Burnett is a member of Publicis, one of the largest advertising and communications groups in the world.

J. Walter Thompson

J. Walter Thompson, also known as JWT, is the best-known marketing agency in the world. With a history of over 150 years, JWT has been creating lasting brands through creative solutions.

The agency has a global reach with over 200 offices in more than 90 countries and close to 10,000 employees. Some of their major clients include Church's Chicken, Marine Corps, Subway, and KPMG.


Mindshare is a media buying and planning agency that was founded in 1997. As part of WPP's GroupM, Mindshare has established itself as one of the best in the industry. With 116 offices in 86 countries across North America, Latin America, Europe, the Middle East, and Asia, Mindshare has a strong global presence. The agency works with major brands such as Pandora Jewelry, TJX, and Tyson Foods.


In 1949, Bill Bernbach, Ned Doyle, and Maxwell Dane founded DDB, one of the most prestigious advertising agencies in the world.

The agency has received numerous awards and accolades for its work with major brands such as Heineken, Ubisoft, and Volkswagen. While DDB may not have a high profile like other major agencies, it continues to work with top clients such as McDonald's and Jeep.


Dentsu is the largest advertising agency in Japan and offers a wide range of services in eight business areas. Founded in 1901, the agency works with global brands such as Facebook. With the ability to offer a variety of services, from strategy to logistics, Dentsu has become a top choice for many companies.

Deloitte Digital

Deloitte Digital is a relatively new player in the marketing industry but is quickly making a name for itself.

The agency continues to acquire talent and expand its capabilities, most recently with the acquisition of Heat, a creative store based in San Francisco, and Acne, a Swedish agency. With a team of over 8,000 employees in 70 offices around the world, Deloitte Digital is a subsidiary of Alliance Data Systems Corp, a loyalty and marketing services company. These are the top 4 marketing companies that you need to know about. They have established themselves as leaders in the industry and continue to grow and evolve with the changing landscape of advertising and media. As an expert in this field, I can confidently say that these companies will continue to dominate the market and drive growth in the industry.