J-Lease Co., Ltd. (7187.T) provides rent liability guarantee services primarily in Japan, specializing in residential rent guarantees for apartments and condominiums; commercial rent guarantees for offices, stores, and tenants; parking lot and rental box guarantees; medical expense guarantees for unpaid hospital receivables; and child support guarantees for single-parent households, complemented by real estate brokerage, management, and rental services for foreigners through subsidiary Asumirai Co., Ltd. and IT systems including environmental testing software and hospital monitoring systems via wholly owned subsidiary AIVS K.K.. Founded in 2004 and headquartered in Oita, Japan, the company operates through 40 offices nationwide, serving over 26,000 real estate agency partners with community-focused, rigorous risk management featuring AI-powered credit screening, subrogation rates of 6.1%, and recovery rates of 97.1% as of fiscal year ended March 2024. In recent developments, J-Lease reports record-high net sales of ¥13.2 billion and operating profit of ¥2.6 billion for fiscal 2024, announces a three-year management plan targeting net sales over ¥20 billion by fiscal 2027 through expansion beyond guarantees into IT and other pillars, and completes the April 2024 acquisition of AIVS K.K. for ¥1.23 billion to bolster systems integration while agreeing to acquire AFB Co., Ltd. for ¥6 million in June 2025, alongside strategic human resource allocations to Tokyo metropolitan areas and alliance enhancements with groups like the All Japan Real Estate Association.