Tokyo Office

GR Japan K.K.
Juzen Bldg.101
2-9-6 Nagatacho

Chiyoda-ku, Tokyo
〒100-0014

983830333

+81 3 6205 4206

Osaka Office

GR Japan Osaka Office
Level 18,
Hilton Plaza West Office Tower
2-2-2 Umeda

Kita-ku, Osaka
〒530-0001

+81 6 6133 4528

+81 6 6133 4529