The 50 Largest Marketing Agencies in the World

Marketing is an ever-evolving field, and the agencies that specialize in it are constantly changing. To bring some clarity to the global agency market, Agency Spotter has rounded up the 50 largest marketing agencies according to estimated annual revenue. From Walter Thompson to Dentsu, these are the most famous marketing agencies in the world.Walter Thompson is one of the oldest and most renowned marketing agencies in the world. Founded in 1864, this agency has been creating creative solutions that make brands last for more than 150 years.

Universal McCann is a creative media agency that has a client list that includes Johnson & Johnson, Coca-Cola, Fiat Chrysler Automobiles, The Hershey Company, CVS Health, ExxonMobil, BMW and Sony. The agency is part of the Interpublic network and is a member of the IPG Mediabrands group with Initiative, Magna, Mediabrands Audience Platform and three other agencies. UM operates in more than 100 countries and employs more than 4,800 people.Cheil Worldwide is South Korea's largest advertising agency. It is more than three times larger in turnover than its closest domestic rival.

The agency has 53 offices in 43 countries with 6,200 employees worldwide. Owned by Samsung Group, Cheil's list of top customers includes Adidas, GE, Coca-Cola, Lego, Microsoft, Shell and more. Leo Burnett is one of the most recognized and well-known advertising agencies in the world for its long history of advertising excellence. The agency was known for creating iconic characters for brands such as Uncle Ben, Jolly Green Giant, Tony the Tiger, Pillsbury Dough-Boy and Marlboro Man.JWT is another well-known marketing agency that has been around for more than 150 years.

JWT is a true global agency with more than 200 offices in more than 90 countries and nearly 10,000 employees. The WPP agency is the registration agency for Church's Chicken US., S. Marine Corps., Subway and KPMG to name a few.Mindshare was created in 1997 and is one of the best media buying and planning agencies in the world. The agency is part of WPP's GroupM and has 116 offices in 86 countries in North America, Latin America, Europe, the Middle East and Asia.

Mindshare acts as a registered media agency for Pandora Jewelry, TJX and Tyson Foods.DDB was founded in 1949 by Bill Bernbach, Ned Doyle and Maxwell Dane. DDB is one of the most recognized advertising agencies and regularly receives awards and accolades. While maintaining a lower profile than other major agencies, DDB continues to work with major brands from Heineken to Ubisoft and Volkswagen while serving as the registration agency for McDonald's, Jeep and more.Dentsu is Japan's largest advertising agency. The agency offers a wide range of services across eight business domains including marketing, digital, creative, promotions, media, content, public relations and global business.

Dentsu was founded in 1901 and works with global brands such as Facebook.Deloitte Digital is only scratching the surface of its capabilities and the agency continues to acquire talent recently acquiring San Francisco-based creative shop Heat and Swedish agency Acne. Mayple is the most trusted solution for e-commerce brands looking to scale. With Mayple growing brands work with the best ecommerce marketers in every niche.MediaCom is one of the main creative agencies on this list. It is a creative agency known for pushing the limits of advertising focusing on impact-based marketing to deliver results.

MediaCom works with some of the world's biggest customers including names like Adidas London Underground and Uber.L7 Creative is a digital agency headquartered in Carlsbad California with a second office in Boston. Since 2001 its 28-person team has specialized in branding advertising marketing strategy and more.Propane is a digital agency founded in 2003 focused on strategy. They have 20 employees in their San Francisco office who together form an efficient team of designers developers and vendors equipped to create digital solutions.Disruptive Advertising conceptualizes and executes Google Ads campaigns to help 3D rendering companies gain quality leads. PreApps is the leading app marketing agency based in Boston MA over the past 10 years PreApps has helped 3 250 app companies launch and market their apps to reach millions of downloads and sales.Proximity Worldwide is a global digital agency specializing in digital advertising direct marketing and CRM.Volume Nine is a digital marketing agency based in Denver Colorado specializing in search engine marketing SEO & PPC content marketing and everything related to social media marketing.Ignite Visibility is a premier online marketing agency with a mission especially focused on providing the highest level of customer service in the industry.Work with next-generation marketing agency that uses new way of managing campaigns called chart of accounts Grafik Marketing Communications led complete rebrand for national nonprofit media organization helping to position brand contemporary market.Merkle was recently acquired by Dentsu Aegis Network and the agency offers data-driven & technology-driven marketing solutions to large corporations.WebFX is performance-focused digital marketing agency with services designed to increase qualified leads phone calls & transactions for clients Founded 1996 & headquartered Harrisburg Penn they also have partnerships with Google Facebook Bing Salesforce & more.


These are just some of the top 50 largest marketing agencies according to estimated annual revenue from Agency Spotter.

With so many options available it can be difficult to choose which one will be best suited for your needs but by doing your research you can find an agency that will help you reach your goals.

Leanne Legorreta
Leanne Legorreta

Freelance music specialist. Hipster-friendly travel specialist. Lifelong bacon specialist. Subtly charming internet aficionado. Wannabe internet geek. Total twitter nerd.