目次
1. Lire, Inc.
Headquarters: 2-4-8 Minami-Aoyama, Minato-ku, Tokyo, LAPiS Aoyama II 5F
Website: https://lire.co.jp/
Company Overview: Lire Co., Ltd. is a leading B2B marketing agency in Japan that delivers comprehensive digital marketing solutions and business matching services. Specializing in customer acquisition and web marketing strategies, Lire provides end-to-end support including website development, content creation, and advertising campaign management tailored to each client’s business needs. Their innovative approach combines data-driven marketing methodologies with strategic business partner matching, connecting companies with specialized professionals and optimal case studies to drive innovation. With expertise in short-term, high-impact customer development and research for new business ventures, Lire serves as a one-stop partner for enterprises seeking marketing reinforcement and sustainable growth in competitive B2B markets.
2. Dentsu Group Inc.
Headquarters: 1-8-1, Higashi-Shimbashi, Minato-ku, Tokyo 105-7050, Japan
Website: https://www.group.dentsu.com/en/
Company Overview: Dentsu Group is Japan’s largest and the world’s fifth-largest advertising agency network, employing approximately 23,000 professionals across 140 domestic and 580 international companies. The company integrates advertising communications (AX), business transformation (BX), customer experience transformation (CX), and marketing infrastructure transformation (DX) solutions. Dentsu maintains a dominant position in television advertising through strategic shareholdings in multiple TV companies and has expanded aggressively into digital advertising and overseas markets through acquisitions. Operating across four global regions (Japan, Americas, EMEA, APAC), Dentsu functions as an integrated growth partner delivering comprehensive marketing and business transformation services to clients worldwide.
3. Hakuhodo Inc. (Hakuhodo DY Holdings)
Headquarters: Akasaka Biz Tower, 5-3-1 Akasaka, Minato-ku, Tokyo 107-6322, Japan
Website: https://www.hakuhodo-global.com/
Company Overview: Founded in 1895, Hakuhodo is Japan’s second-largest advertising agency and one of the world’s top 10 agency companies, operating through 150+ offices across 20 countries with 3,000+ clients. The agency pioneered the “Sei-katsu-sha Insight” methodology in the 1980s, offering a 360-degree perspective on consumer lives rather than viewing people merely as consumers. Hakuhodo combines world-class research capabilities with big data and digital expertise to create innovative marketing solutions. The agency’s strategic acquisitions include SYPartners, Digital Kitchen, Sid Lee, and a 30% stake in IDEO, strengthening its global creative and design capabilities while maintaining exceptional client relationships spanning over 60 years.
4. CyberAgent Inc.
Headquarters: Shibuya, Tokyo, Japan
Website: https://www.cyberagent.co.jp/en/
Company Overview: Founded in 1998, CyberAgent is Japan’s leading digital advertising company, listed on the Tokyo Stock Exchange as a Nikkei 225 constituent, with internet advertising accounting for roughly half of total sales and commanding the largest market share in Japan. The company’s AI Lab ranks 4th in Japan and 49th globally, developing the proprietary “Kiwami Prediction Series” using generative AI to maximize advertising effectiveness. Beyond advertising, CyberAgent operates ABEMA streaming platform and cutting-edge creative production facilities with LED walls, 4D scanning, and virtual production capabilities. The company’s technological leadership in AI-driven advertising products and advanced creative studios positions it at the forefront of Japan’s digital advertising evolution.
5. ADK Holdings Inc.
Headquarters: Toranomon Hills, Minato, Tokyo, Japan
Website: https://www.adk.jp/en/
Company Overview: ADK Holdings is Japan’s third-largest advertising agency, founded in 1956 as ASATSU with just four employees and a challenger spirit, later merging with Daiichi Kikaku in 1999 to form ADK. The group operates through three specialized companies—ADK Marketing Solutions, ADK Creative One, and ADK Emotions—focusing on marketing and content creation with the purpose of “Creating experiences to enrich lives. ADK owns production companies NAS and d-rights, animation studios Eiken and Gonzo, and has produced major anime franchises including Gundam series. With 800+ experts across 12 Asia-Pacific markets, ADK uniquely combines advertising expertise with entertainment content production capabilities.