Contact

GMS

For general inquiries, reach us via email or phone. For quotes and sourcing, the fastest path is to send your request to GMS first.

We typically reply within 1–2 business days.

Address

Kojimachi Shine Building 203, 4-4 Kojimachi, Chiyoda-ku, Tokyo, Japan

If your request contains confidential information, send a high-level summary first; we can proceed under NDA if needed.