Three minutes' walk from JR Otemachi station. Our desks answer the phone during market hours.
KiShisanMyaku K.K.
1-1-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
Otemachi First Square, 14F
+81-3-4400-0100 · Mon–Fri 09:00–18:00 JST · Typical reply: one business day
+81-3-4400-0200 · JPX + FX session 06:00–17:00 JST · U.S. session 22:00–05:00 JST
+81-3-4400-0300 · Mon–Fri 09:00–17:30 JST · complaints handled here
Reply within two business days · flag deadlines with "URGENT"
Every application receives a reply within five business days
For existing account holders, 24/7 account-freeze hotline: +81-3-4400-0000. Use this line only for account freezes, fraud reports and urgent funding-move holds.