01 / CONTACT

Get in Touch

For quotes, consultations, or questions, please feel free to contact us. Inquiries from all ITSN sites are handled here in one place.

Quick Contact

By Phone

+81-3-5939-6447

Hours: Weekdays 9:00-17:00 JST (excl. weekends & holidays)

Head Office

2nd Higashi Bldg. 8F, 1-14 Kanda-Sakumacho, Chiyoda-ku, Tokyo 101-0025, Japan

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Osaka Branch

Showa Building 5F, 2-5-24 Nishihonmachi, Nishi-ku, Osaka 550-0005, Japan

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Corporate Site (www.itsn.co.jp)

Service Site (service.itsn.co.jp) [6 languages]

Recruit Site (recruit.itsn.co.jp)