J-LEASE CO., LTD. engages in the provision of support services related to the real estate leasing, rental housing and rent debt guarantee business. It operates through the Rental Guarantee and Real Estate Brokerage business segments. The Rental Guarantee segment provides credit enhancement by guarantee contract based on consignment guarantee from lessee. The Real Estate Brokerage segment offers brokerage services through its subsidiary. The company was founded on February 27, 2004 and is headquartered in Oita, Japan.