Discover the World's Largest Marketing Companies

Do you know who the biggest marketing companies in the world are? You may be familiar with some of the most famous agencies like BBDO, Havas or Grey, but would it surprise you to learn that they don't even make the top 10? The landscape of global agencies has become increasingly crowded and complex over the past decade. Not only have large networks of agencies and holding companies become more prominent, but consulting firms and technology giants have also joined the competition, as have internal agencies. This has made it difficult to distinguish between what is considered an agency and who is best suited to support your global digital, advertising and marketing initiatives.


is a marketing company that consists of 14 agencies working across a range of marketing disciplines. With 30 offices around the world, from New York to Shanghai, Los Angeles, Sydney and more, this new generation of marketing agencies has worked with clients such as Unilever, Nestle, American Express, Disney, Xbox and more.

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.Mc Group is the largest independent advertising and public relations agency in Germany and Europe. They have worked with big brands such as Visa, Vodafone, Gazprom, CNN and Real Madrid, to name a few. With more than 80 offices around the world, the German communication agency is the only agency that is present in the 28 Member States of the EU and in economic centers around the world.

Saatchi & Saatchi

, which began as an emerging advertising agency in London in the 1970s, has grown into a global communication agency with 114 offices in 67 countries.

Although it remains the smallest of the three main advertising agencies in the Publicis Groupe network, the agency continues to work with six of the top 10 global advertisers.


is the world's largest independent public relations agency that helped define modern public relations. The agency continues to push the boundaries of what public relations can do and partners with 2000 of the world's leading companies, helping them evolve, promote and protect their brand and reputation. Edelman has 65 offices and 5000 employees.Cheil Worldwide, South Korea's largest advertising agency, has a turnover more than three times that of its closest domestic rival. The agency has 53 offices in 43 countries and 6,200 employees worldwide.

Owned by the Samsung Group, Cheil's list of major customers includes Adidas, GE, Coca-Cola, Lego, Microsoft, Shell and more.


, part of Publicis Media, is an ROI agency with 5000 specialists in 95 markets. The agency specializes in communications planning, media value optimization, technology and data analysis. Zenith has worked with companies such as Aviva, 21st Century Fox, Mercedes-Benz BMW and more.


is The Outcome Media Company which combines advanced artificial intelligence with data and proven expertise to optimize programmatic media investments. With 1800 programmatic experts Xaxis has more than 3000 customers in 47 markets in North America Europe Asia-Pacific Latin America and Middle East Xaxis is a member of WPP's GroupM.


, founded in 1923 is a world leader in marketing communications within the WPP network.

The agency operates as a global boutique agency that connects deep information on local companies' needs with consumers united by a global team. Y&R's customer list includes RockCked Dell Xerox Burger King and Movistar.


is a comprehensive media buying and planning agency that seeks to redefine media for today's most innovative clients. The agency consistently ranks high in RECMA's global qualitative assessment ranking and serves clients in 150 countries with more than 10 000 talented employees Carat is also the largest agency in Dentsu Aegis network in terms of annual revenues.

Walter Thompson

, best-known marketing agency in the world has been creating creative solutions for creating lasting brands for more than 150 years JWT a true global agency has more than 200 offices in more than 90 countries and nearly 10 000 employees The WPP agency is official agency of Church's Chicken US US Marine Corps Subway KPMG to name few.

Mediacom, one of world's leading media companies with 7 000 employees in 125 offices in 100 countries around world was originally Grey's media division but they separated to focus on full-time media work with companies such as Mars P&G AB InBev GSK Sony Mediacom part of GroupM member WPP.


, founded 1997 one best media buying planning agencies world part WPP's GroupM 116 offices 86 countries North America Latin America Europe Middle East Asia Mindshare official media agency Pandora Jewelry TJX Tyson Foods.


, founded 1949 Bill Bernbach Ned Doyle Maxwell Dane advertising giant DDB one most prestigious advertising agencies regularly receives awards awards While maintaining lower profile than other major agencies DDB continues work major brands from Heineken Ubisoft Volkswagen acting official agency McDonald's Jeep more.


, largest advertising agency Japan offers wide range services eight business areas including marketing digital creative sphere promotions media content public relations global business Dentsu founded 1901 works global brands such Facebook.

PwC Digital Services, Hallandale Beach FL provides digital services for clients across industries including retail banking healthcare automotive travel hospitality entertainment sports media technology government education manufacturing consumer goods insurance finance real estate telecommunications transportation logistics energy utilities professional services legal aerospace defense automotive manufacturing construction materials chemicals pharmaceuticals biotechnology food beverage agriculture forestry fishing mining utilities oil gas renewable energy automotive retail consumer goods ecommerce luxury fashion beauty cosmetics home furnishings home appliances electronics toys games books music video games software hardware consumer electronics home entertainment mobile devices telecommunications internet services web design development search engine optimization search engine marketing social media marketing content marketing email marketing video production animation virtual reality augmented reality artificial intelligence machine learning blockchain cryptocurrency digital transformation digital strategy digital analytics digital customer experience digital product design digital product development digital product management digital product marketing digital product roadmap digital product roadmap development digital product roadmap management digital product roadmap optimization digital product roadmap planning digital product roadmap strategy digital product roadmap testing mobile app design mobile app development mobile app management mobile app marketing mobile app roadmap mobile app roadmap development mobile app roadmap management mobile app roadmap optimization mobile app roadmap planning mobile app roadmap strategy mobile app roadmap testing software design software development software management software marketing software roadmap software roadmap development software roadmap management software roadmap optimization software roadmap planning software roadmap strategy software roadmap testing website design website development website management website marketing website roadmap website roadmap development website roadmap management website roadmap optimization website roadmap planning website roadmap strategy website roadmap testing.

Muriel Burkdoll
Muriel Burkdoll

Extreme music scholar. Unapologetic web practitioner. Hipster-friendly internet practitioner. Unapologetic explorer. Total twitter nerd.