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June 14, 2026 ·

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KOEISHA INC. delivers strategic IT consulting, project management and always-on managed services to enterprises in Japan and worldwide.

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About Us
Contact

Services

Managed IT Support
IT Consulting & Project Management
Cloud Infrastructure Solutions
Cybersecurity & IT Security

Contact Info

〒247-0006 1-1-1 Kasama, Sakae ward, Yokohama city, Kanagawa prefecture, Japan

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Support@koeisha-inc.jp

+81 90-8086-5165

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