CONTACT

Contact us

Buying, selling, appraisal, or international inquiries — please reach out using the form below or by phone / email.

Reach us directly

Phone

Mon–Fri 10:00–15:00 JST (closed on weekends and Japanese national holidays)

Please use the contact form for first contact (auto-routed to the appropriate team).

Address

Headquarters: 1-9-21 Sashima, Kawaguchi, Saitama 333-0816, Japan
Tokyo Branch: 3-2-3 Shimbashi, Minato-ku, Tokyo 105-0004

Address is optional for international inquiries. Our team will reply in English (bilingual: original + Japanese kept on record).