JCK International Public Company Limited, together with its subsidiaries, primarily engages in the property development classification activities in Thailand and the United Kingdom. It operates through five segments: Land and Factory Building for Sale; Land and Warehouse Building for Rent; Office Building for Rent; Residential Condominium Units for Sale; and REIT Manager. The company develops land for industrial estates; rents office and factory spaces; develops and sells residential condominium units; and provides construction and property management services. It also invests, leases, and sells land and warehouses; and manages a real estate investment trust. The company was formerly known as Thai Factory Development Public Company Limited and changed its name to JCK International Public Company Limited in April 2018. JCK International Public Company Limited was founded in 1977 and is headquartered in Bangkok, Thailand.