Development partnerfor Japanese businesses
Development partnerGalaxy Technology Japan (GTJ) is the Japan entity of the GTS group, established to support Japanese companies with DX and system development.
Consultants and project managers who understand the Japanese market work together with highly skilled development teams in Vietnam to solve your business challenges.
GTS is a member of Galaxy Holdings, the digital technology, data and AI corporation of Sovico Group. Founded in 2016, the group has 500+ IT professionals and serves 100+ enterprise clients. Learn more about the group and its ecosystem →
We combine an understanding of the Japanese market with Vietnam’s engineering strength to solve our clients’ business challenges and help them grow.
We aim to remain the long-term partner you feel you can simply ask first.
Thank you for visiting the Galaxy Technology Japan website.
We were established in 2025 as the Japan entity of the GTS group, to support Japanese companies with DX and system development. Consultants and project managers who understand the Japanese market work with a highly skilled development team in Vietnam to solve our clients’ challenges.
Our mission is to strengthen the competitiveness of Japanese companies through technology and people, and we will keep supporting each client closely. We respond carefully in Japanese from your very first question, so please feel free to get in touch.
Hiroaki Kainuma
COO, Galaxy Technology Japan Co., Ltd.
GTJ is the Japan entity of the GTS group. GTS is part of Galaxy Holdings, the digital technology, data and AI arm of Sovico Group.
Your contact in Japan: sales, requirements definition and project management. Established 2025.
Design, development, QA and cloud operations. Founded 2016, 500+ IT professionals.
The digital technology, data and AI arm of Sovico Group.
Established 1993, with businesses in finance, aviation, real estate and more.
Galaxy Technology Japan Co., Ltd.
September 11, 2025
Dinh Ngoc Hai, Representative Director
3F, 1-24-3 Kanda Sudacho, Chiyoda-ku, Tokyo 101-0041, Japan
10th Floor, Galaxy Innovation Hub, D1 Street, High-Tech Park, Thu Duc City, Ho Chi Minh City, Vietnam
Galaxy Holdings / Sovico Group
DX enablement, AI adoption, cloud, software development, testing & QA, SCM, chip verification (ZeBu)
Our Tokyo office is the first point of contact for customers in Japan. From the first conversation through delivery, our leaders work with you directly and coordinate our teams in Ho Chi Minh City.
COO, Galaxy Technology Japan
Engineering, sales, marketing and business development at major Japanese SIers and global IT vendors. For more than 30 years he has helped Japanese companies drive DX, with extensive experience in global business using India, China and Vietnam. He now leads business development and customer support for the Japanese market.
“We want to be the trusted partner you feel you can simply ask first.”
Vice Chairman
30+ years leading technology at Vietjet, Vietnam Airlines and Jetstar, bringing that experience with large-scale, always-on systems to our work for customers in Japan.
“Reliability is what our customers count on. We apply the same standards to every project, whatever its size.”
Questions about system development, DX or AI? Our experienced team will suggest the best way forward for your situation.