Gemstone Partners is all about connecting people. Our mission is to create value by linking corporates and institutional investors. The company name “Gemstone” represents our clients - you. We like to think of it as polishing gemstones to reveal your new inner value.

Gemstone Partners, LLC



Our mission

Gemstone Partners provides the opportunity for listed/unlisted corporate management to connect with institutional investors as well as potential business partners both home and abroad. We seek to maximize your enterprise value and match them with the most suitable business partners around the globe. With decades in the global financial industry we are confident we will exceed your expectations.




Company name Gemstone Partners, LLC
Managing Partner Yukiko Oishi
Senior Advisor Shimpei Taniguchi
Address 6-14-8, Ginza, Chuou-ku, Tokyo, Japan ZIP:104-0061
Contact Tel: +81 3 6403 3194
e-mail yukiko.oishi@gemstonepartners.jp