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 BtoB digital marketing agency in Japan specializing in comprehensive web marketing solutions. The company excels in SEO-driven customer acquisition strategies, offering end-to-end services including website construction, content creation, and advertising operations. Lire distinguishes itself through data-driven approaches that deliver measurable results in short timeframes, particularly in customer development and market research for new business initiatives. Beyond traditional SEO services, they provide business matching capabilities, connecting enterprises with optimal partners and specialized professionals to drive innovation. Their integrated approach combines technical SEO expertise with strategic consulting, making them a one-stop solution for BtoB companies seeking to strengthen their digital presence and accelerate business growth through sustainable customer creation mechanisms.
2. Faber Company
Headquarters: 〒105-6923 Tokyo, Minato-ku, Kamiyacho 4-1-1, Kamiyacho Trust Tower 23F
Website: https://www.fabercompany.co.jp/
Company Overview: Faber Company is a leading Japanese SEO and digital marketing firm founded in 2005, listed on the Tokyo Stock Exchange. With over 20 years of consulting experience, the company serves more than 1,900 clients through its flagship “Mieruca SEO” platform—Japan’s most widely adopted SEO tool. Faber Company specializes in technical SEO, content marketing, and AI-powered optimization for large-scale database sites, e-commerce platforms, and BtoB websites. Their comprehensive approach combines proprietary tools, educational content, and personalized consulting to enable in-house SEO capabilities. As hosts of Japan’s largest SEO conference, they are recognized thought leaders shaping the future of search optimization in Japan’s evolving digital landscape.
3. Zo Digital Japan
Headquarters: Tokyo (specific address not publicly available)
Website: https://www.zodigital.jp/
Company Overview: Zo Digital Japan is a bilingual SEO agency specializing in helping international companies succeed in the Japanese market through data-driven strategies and cultural expertise. Unlike traditional Japanese agencies that treat SEO as an afterthought to web design, Zo Digital focuses exclusively on traffic generation using advanced analytics, SEO tools, and bilingual consultants. Their services include comprehensive keyword research in Japanese and English, on-page optimization, content marketing using topic cluster methodologies, and digital PR with strategic link-building. The agency’s deep understanding of Japanese searcher intent and common localization pitfalls enables foreign companies to avoid costly mistakes and achieve sustainable organic growth in Japan’s unique digital ecosystem.
4. ShapeWin Co., Ltd.
Headquarters: 〒150-0002 Tokyo, Shibuya-ku, Shibuya 3-6-19, 6F
Website: https://www.shapewin.co.jp/en/
Company Overview: Founded in 2011, ShapeWin is a comprehensive PR and digital marketing agency headquartered in Tokyo’s Shibuya district, specializing in connecting global businesses with the Japanese market. The agency offers integrated services including SEO optimization, PPC advertising, social media marketing, public relations, and event planning, all delivered through a bilingual, cross-cultural lens. ShapeWin distinguishes itself through responsive project management, innovative methodologies, and a strong commitment to workplace equity and diversity. Their team combines deep understanding of Japanese business customs with global marketing expertise, enabling effective brand building and digital visibility enhancement. Clients consistently praise their prompt communication, flexible approach, and measurable results in increasing engagement and market presence across Japan.
5. Humble Bunny
Headquarters: Tokyo (specific address not publicly available)
Website: https://www.humblebunny.com/
Company Overview: Humble Bunny is a Tokyo-based digital marketing agency specializing in Japanese SEO services with a proven track record of delivering an average 304.2% traffic increase for clients. The agency offers a unique money-back guarantee on traffic improvements and employs a patent-pending localization framework designed specifically for Japan’s cultural and linguistic nuances. Their approach emphasizes sustainable growth over quick wins, continuously innovating with cutting-edge techniques rather than static campaigns. Services include comprehensive keyword strategy, technical optimization, content creation, and cultural localization that addresses Japan’s four writing scripts, visual preferences, and communication styles. Humble Bunny’s deep market understanding enables effective optimization for Google and Yahoo! Japan while building long-term strategic assets applicable across multiple marketing channels.