Alta S.A., through its subsidiaries, engages in the real estate activities in Poland. It engages in the rental of real estate properties for commercial, logistics, and office purposes; acquisition, preparation, and sale of land for development; construction and sale of houses and apartments; and real estate administration businesses. The company was formerly known as TUP Spólka Akcyjna and changed its name to Alta S.A. in September 2013. Alta S.A. is based in Warsaw, Poland. Alta S.A. is a subsidiary of Hlamata Holdings Limited.