J.S.B.Co.,Ltd., together with its subsidiaries, engages in the planning, development, brokerage, placement, and management of student apartments in Japan. It operates through Real Estate Leasing and Management; and Other segments. The company is involved in the planning, development, property management, leasing, and building maintenance of student apartments, halls, and dormitories; planning, development, and operation management of university facility development projects and dormitory construction; real estate sales and brokerage; and land development consulting. It also provides real estate consulting services comprising asset utilization consultant and asset management services; building management services consisting of apartment/building management, electrical/fire equipment management, minor/long-term repairs, and daily/periodic cleaning; and student support services, such as job seminars and forums, part-time job introduction and comprehensive human resources services, AI human resources platform business, international student, and career education and support services, as well as operating Japanese language schools; and organizing hackathons for university students. In addition, the company engages in the cafeteria business for student dormitories and senior housing; tenant mediation and recruitment; rent guarantee; security product development; rental of furniture and appliances; non-life insurance agency business; publication of housing information magazines, such as Student Lodging Yearbook series; provision of information through the internet; and sales and maintenance of peripheral devices for internet use. J.S.B.Co.,Ltd. was founded in 1976 and is headquartered in Kyoto, Japan.