Dentsu Group is one of the world's largest advertising and marketing services companies, operating a global network of creative, media, and digital marketing agencies across more than 145 countries. The company's international business generates a substantial majority of group revenue. Dentsu provides integrated marketing solutions including media planning, creative development, data analytics, and customer experience management to major global brands.

For international investors, Dentsu Group represents Japan's dominant advertising and marketing services conglomerate, with a substantial international business built through acquisitions of agencies in the United Kingdom, United States, and other markets. The company's Dentsu International division competes directly with global holding companies such as WPP and Publicis, providing genuine exposure to the global advertising market. Ongoing restructuring of overseas operations to improve profitability is a key focus for the investment community.