Dentsu Group Inc.

One of the world's top five global advertising holding companies, dominant in Japan and with a major international presence through Dentsu International

Dentsu Group Inc. (TYO: 4324) is a Tokyo-listed global advertising and marketing services holding company with roots dating back to 1901, when it was founded as Nippon Kokoku. Today, Dentsu operates one of the world's largest agency networks, spanning creative, media, customer experience management (CXM), and data/technology services across more than 145 countries. The group is organized into two primary operating segments: Dentsu Japan Network, serving the domestic Japanese market, and Dentsu International, which encompasses its global operations built significantly through the 2013 acquisition of Aegis Group and subsequent acquisitions of digital and data agencies worldwide. In the AdTech and MarTech ecosystem, Dentsu is a significant force, offering end-to-end capabilities from media planning and buying to programmatic advertising, data analytics, and customer intelligence. Its portfolio includes agencies such as Carat, dentsu X, iProspect, Merkle, and creative networks like dentsu creative. Merkle, acquired in 2016, is particularly notable as a data-driven performance marketing agency that strengthens Dentsu's CRM, identity, and data capabilities. The group also invests in proprietary technology platforms and maintains partnerships with major ad tech vendors, DSPs, and data providers. Dentsu competes directly with WPP, Publicis Groupe, Omnicom, and Interpublic Group for global advertising budgets. The company has undergone significant restructuring in recent years, consolidating its brand architecture and investing in digital transformation services to capture growth in data-driven marketing. With revenues exceeding one trillion Japanese yen annually, Dentsu remains a top-tier player in the global advertising industry, particularly dominant in the Japanese market while expanding its international digital and technology-led service offerings.