Mortgage Service Japan Ltd. engages in the provision of mortgage services. It offers lending and mediation of housing loans, property and casualty insurance agency services, training, publishing and consulting services of mortgage business. It operates through the following segments: Housing Finance, Houseing Defect Insurance, and Housing Academia. The Housing Finance segment handles mortgage loans such as Flat 35 (provided to consumers as MSJ Flat 35) in partnership with the Japan Housing Finance Agency. The Housing Defect Insurance segment sells housing defect insurance and does housing performance evaluation and inspection. It also provides housing ground guarantee services. The Housing Academia segment provides system platforms and housing guarantee program services that utilizes ICT specialized for housing-related businesses. The company was founded on August 12, 2005 and is headquartered in Tokyo, Japan.