Atakule Gayrimenkul Yatırım Ortaklığı A.Ş. (Atakule Real Estate Investment Trust Co.) has preferred Kalme Kurumsal Gayrimenkul Değerleme ve Danışmanlık A.Ş. (Kalme Corporate Real Estate Valuation and Counselling Inc.) for carrying out appraisal works for real estates to be included in its portfolio since 2015.