PT Cowell Development Tbk engages in the construction, development, and sale of residential and commercial estates. It operates through the following segments: Real Estate, Apartment, and Rental Space. The Real Estate segment consists of Melati Mas Residence, Serpong Park, and Serpong Terrace projects. The Apartment segment manages Westmark Apartment project. The Rental Space segment includes Plaza Atrium, Graha Atrium, and Atrium Service Point projects. The company was founded on March 25, 1981 and is headquartered in Jakarta, Indonesia.