5i5j Holding Group Co., Ltd. provides real estate brokerage services in China and internationally. Its brokerage business covers buying, selling, and leasing of existing homes, property registration, verification, display, and inquiry, professional consultation and matching transactions, and online services for verification, signing, fulfillment, and customer support. The company also offers asset management, including housing rental management, new home sales, commercial leasing and services, and asset management services. It additionally operates an internet-based residential living service platform focused on residential transaction services, digital industry solutions, and integrated operational services. Formerly Kunming Sinobright (Group) Co., Ltd., it changed its name to 5i5j Holding Group Co., Ltd. in April 2018. Founded in 1959, it is headquartered in Beijing, China.