Contact us by email
Tell us about your inquiry, number of stores and required features.
- Business hours
- 平日 10:00–18:00（日本時間）/ Weekdays 10:00–18:00 JST
- Operator
- GRT LLC
If your email app does not open, copy the address above.
Privacy & security inquiries
Contact app@grtllc.jp. Do not send buyer names, addresses, telephone numbers, passwords, authorization tokens or other confidential information.
Emergency contact
app@grtllc.jp / +81-50-5526-2688（24時間 / 24 hours）
Telephone: +81-50-5526-2688