PT Kota Satu Properti Tbk (the Company) was established based on Notarial Deed No. 6, dated October 3, 2012 of Maria Yosefa Deni, S.H., notary in Semarang. PT Kota Satu Properti Tbk. is a company the first developer and became a pioneer in introducing the modern housing concept in the city Ungaran, Semarang Regency. Where homeowners are surrounded by the convenience of modern facilities including: club house, lounge, swimming pool, kids playground, RFID gate system, panic button, CCTV & 24hours security, housekeeping & laundry, broadband internet (Wifi), ATMs and minimarkets.

The main business activities are developing real estate, hotels and commercial properties. The Company's real estate business is realized in the development of The Amaya's modern residential estate in Ungaran, Semarang Regency, Central Java province. The Amaya is modern housing quality with the concept of 'Luxury Home Resort' which presents living quarters that meet good, comfortable, beautiful and healthy residential criteria. Consumers are also spoiled with Amaya Care, which provides repair and maintenance services house and Amaya Lifestyle to answer the needs of consumers who want to beautify their homes they are with architectural and interior design services. Besides that, The Amaya is surrounded by hilly areas Ungaran's green city is beautiful and has minimal pollution and provides calm and balance for the lives of residents.