Mortgage Service Japan Limited (7192.T) provides housing-related financial services primarily through mortgage lending and brokerage in Japan. The company offers an extensive range of residential loan products including MSJ Flat 35 (guarantee and buyout types), MSJ Flat 35S, MSJ Flat 35 Childcare Plus, MSJ Flat 35 Regional Collaboration and Local Migration Support types, MSJ Flat 35 Maintenance and Preservation type, MSJ Re-Birth 60 (full-term fixed-rate buyout, variable-rate housing finance insurance, and seismic retrofit interest subsidy variants), MSJ Melody (variable/fixed-rate special agreement type with bridge loan), MSJ Iroiro (bridge loan variant), MSJ Residential Bridge Loan, Sony Bank and au Jibun Bank agency loans, MSJ Furu Furu Package, MSJ Buyout Resale Loan for businesses, and disaster recovery housing financing; it also provides property and casualty insurance agency services, life insurance intermediation including Rakuten Life group credit life with heavy cancer insurance premium prepayment special clause added in October 2024, residential defect warranty services, education, publishing, consulting in housing finance, system development, and cloud platform services. Mortgage Service Japan operates solely in Japan, targeting individual homebuyers, refinancers, and business entities in the housing sector, with approximately 234 employees. Founded in 2005 and headquartered at Landic 2nd Shimbashi Building, 3-7-1 Nishi-Shinbashi, Minato-ku, Tokyo, the company recently commenced bank agency business with au Jibun Bank on December 5, 2024, enhanced group credit life insurance coverage effective October 1, 2024, and continues monthly Flat 35 execution rate announcements through November 2025 alongside revenue growth to JPY 2.00 billion in the quarter ended March 30, 2025.