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 specializing in digital marketing solutions and business matching services. The company provides comprehensive support for customer acquisition through web marketing expertise, including website development, content creation, and advertising management. Lire’s innovative business matching platform connects companies with relevant case studies and professional partners to address management challenges and drive innovation. They excel in applying digital marketing methodologies to customer development and exploring latent market needs for research and new business ventures. Additionally, Lire offers professional talent matching services, connecting highly specialized experts with companies seeking to accelerate innovation and business growth, delivering measurable results through their one-stop marketing support approach.
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 most dominant advertising agency, commanding revenue exceeding five trillion yen—more than double its nearest competitor. With approximately 23,000 professionals, Dentsu operates as an Integrated Growth Partner, delivering comprehensive solutions across advertising communications, business transformation, customer experience, and digital infrastructure. The agency’s unparalleled market leadership stems from its pioneering role in creating Japan’s first newspaper advertisements and television commercials. Dentsu’s extensive global network, deep local market expertise, and integrated approach spanning traditional and digital media make it the go-to agency for brands seeking maximum impact in Japan and worldwide.
3. Hakuhodo DY Holdings
Headquarters: Akasaka Biz Tower, 5-3-1 Akasaka, Minato-ku, Tokyo 107-6320, Japan
Website: https://www.hakuhodody-holdings.co.jp/english/
Company Overview: Hakuhodo DY Holdings, founded in 1895, is Japan’s second-largest advertising company and ranks among the world’s top 10 agency networks. Operating through 150+ offices across 20 countries, Hakuhodo serves over 3,000 clients with relationships spanning decades. The agency distinguishes itself through its “Sei-katsu-sha Insight” philosophy—understanding people as holistic beings rather than mere consumers—and its “Ideas Win” creative approach. Leveraging world-class research, big data analytics, and digital innovation, Hakuhodo delivers highly customized creative solutions that address complex business challenges. Their unique combination of deep cultural understanding, creative excellence, and partnership-driven methodology makes them ideal for brands requiring authentic Japanese market engagement.
4. URALA International
Headquarters: Toranomon Hills Business Tower 15F, 1-17-1 Toranomon, Minato-ku, Tokyo 105-6401, Japan
Website: https://www.uralaverse.com/
Company Overview: URALA International, established in 1980, is a full-service media, content, and PR agency with offices across Asia-Pacific including Tokyo, Jakarta, Manila, and Riyadh. The agency integrates media solutions, content creation, video production, social media management, and data analytics to drive meaningful audience engagement. URALA serves prestigious clients including Nikkei, Reuters, Rakuten, L’Oreal, and Japanese government ministries. Their diversity-focused multilingual team speaks over five languages, enabling effective cross-border marketing strategies. A standout differentiator is their leading digital asset practice with extensive blockchain expertise, having managed Tier 1 crypto projects. URALA excels at market localization, delivering proven results like 80% organic traffic increases for international expansion initiatives.
5. AJ Marketing
Headquarters: Singapore (Worldwide HQ), with operations in Tokyo, Japan
Website: https://www.ajmarketing.io/
Company Overview: AJ Marketing, founded in 2019, is a pan-Asian creative marketing agency operating across 10 countries including Japan, Korea, Singapore, and Southeast Asia. Their multilingual team speaks 15 languages and specializes in influencer marketing, K-celebrity partnerships, performance advertising, and content strategy. With a network exceeding 7,000 influencers and partnerships with major brands like BMW, TikTok, AMD, and Adobe, AJ Marketing delivers authentic, high-impact campaigns. Their key differentiators include local offices throughout Asia providing insider market knowledge, AI-powered advertising technology, and seamless end-to-end campaign management. The agency excels at creating culturally nuanced marketing experiences that resonate with diverse Asian audiences while maintaining superior English communication capabilities.