COI Agency | Powered by NATURAL WORKS Co., Ltd.
Your Gateway to Business, Training, and Events in Japan
Since 1961, COI Agency has been connecting global organizations with opportunities in Japan through professional internships, corporate training, international study programs, and premium event planning.
Based in the heart of Tokyo — one of the world’s leading business hubs — we offer unmatched access, bilingual support, and a vast network of partners to make your Japan initiative a success.
What We Offer
Custom Internship & Training Programs
Tailored professional experiences with leading Japanese companies, designed to develop global talent.
Study Abroad Coordination
Full support for short- and long-term study programs in Japan and across the globe.
Corporate & Cultural Event Management
From intimate workshops to large-scale conferences and cultural exchange events — fully planned and operated by our experienced team.
Why COI Agency?
Prime Tokyo Location
Our office is located in central Tokyo (Osaki, Shinagawa), offering convenient access to key corporate, educational, and government institutions.
Trusted Since 1961
Over 60 years of experience supporting international collaboration, with clients ranging from government agencies (Japan Tourism Agency) to world-renowned 5-star hotels.
Extensive Global & Domestic Network
We collaborate with a wide range of partner organizations in Japan and abroad, ensuring flexible, high-quality program delivery.
Bilingual Team & On-Site Support
Our professional staff are fluent in English, Spanish, French, Chinese and Japanese, offering interpretation and full logistical support before and during your stay.
Partner with Us
Contact us today to explore how COI Agency can help bring your Japan vision to life.
Company Information
Whether you’re planning to:
・Launch a professional development program
・Send a team to study or intern in Japan
・Host a high-level event in a top-tier Tokyo venue
We are here to help you every step of the way.
Company Name: NATURAL WORKS Co., Ltd.
Brand Name: COI Agency
Established: February 1961
Address: Estage Osaki Bld. 1F, 3-5-2 Osaki, Shinagawa-ku, Tokyo, 141-0032, JAPAN
CEO: Take Ikeda
COO: Sebastien Doue
