
Welcome to Quartet Co., Ltd.
At Quartet Co., Ltd., we are a company with a global perspective, operating across various industries. Our strengths lie in our deep expertise across diverse fields and our constant flexibility to meet the needs of our customers.
Business Areas
International Trade
Delivering the Brilliance of the Highest Quality “Made in Japan” to the World.


We engage in the import and export of a wide variety of products, including branded bags, jewelry, watches, miscellaneous goods, cosmetics, medical and cosmetic devices, and daily necessities. We deliver high-quality products from around the world and continuously offer a product lineup that meets the needs of the market.

Food and Beverage Management
We are actively expanding into the food and beverage industry, operating high-quality restaurants. We provide services and flavors that satisfy our customers and ensure stable business operations.

Real Estate Business
We support stable asset management through real estate investment and development. Handling a variety of properties including office buildings and residential housing, we provide valuable investment opportunities.

Consulting
We provide consulting services for companies to address management challenges and improve operations. We propose optimal strategies tailored to our clients’ businesses and support sustainable growth.
Corporate Philosophy
The name “Quartet” embodies the idea of multiple elements harmonizing and growing powerfully together. We value the trust we build with our customers and strive to be a company that continuously pursues innovation.
Quartet Co., Ltd. will continue to contribute to society and shape the future through our diverse range of businesses.
Company Name | Quartet Co., Ltd. |
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Address | 3-14-3 Nakakasai, Edogawa-ku, Tokyo 134-0083, Japan |
Office | B1 Shimizu Gakuen Building, 1-6-8 Shibuya, Shibuya-ku, Tokyo 150-0002, Japan |
TEL | +81-3-6427-3293 |
quartet@s-eight8.co.jp | |
Founded | June 8, 2007 |
Representative Director | Yumiko Kuroda |