Grandy Company is a golf club membership brokerage based in Nagasaki, serving golfers across Kyushu and Okinawa as well as other parts of Japan. A member of the Kyushu Golf Club Membership Trading Cooperative, the company provides information on membership prices and market activity and supports customers through buying and selling memberships.

Its listings include selected memberships available for purchase and sale, with courses and asking prices across the region. Grandy also shares information about golf clubs recruiting new full members, including guidance on applying through the company. The website offers a nationwide guide to around 1,800 golf courses, with course information, maps, access details, weather links, and links to official websites. Visitors can explore membership information by prefecture and keep up with industry news, such as changes to transfer fees, membership recruitment, and restrictions on membership transfers.

For people considering a purchase or sale, Grandy provides practical guidance on membership types, benefits, transaction steps, costs, required documents, and points to check.