Corporate Milestones
Mr. H. Ayduk Koray, the founder of our Group of Companies, after graduating from Istanbul Technical University Faculty of Construction in 1950, he started his freelance business life by establishing a company in his own name.
1956
Foundation of the company H. Ayduk Koray, Ankara
1962
TUSLOG(The United States Logistics Group) Facilities construction agreement, Ankara
1968
First public building Project: Headquarters of State Hydraulic Works, Ankara
1970
New style in Turkish architecture: Fair face concrete facade
1972
Completion of General Directorate Building of T. Is Bank: Koray’s firt high-rise building Project in Ankara. Use of climbing formwork and pipe supported slab formwork systems fort he first time in Turkey
1976
Transfer of the Head Office from Ankara to Istanbul
1981
First overseas project: Ajyad Inter-Continental Hotel in Makkah, K.Saudi Arabia
1986
First step in the development of Levent as Istanbul’s financial business district. Yapı Kredi Plaza, Istanbul
1987
First shopping mall in Ankara: Karum and Ankara Sheraton Hotel within the same concept
1988
First intelligent office building: Sabancı Center, Istanbul
1994
Entry to the Russian market: Moskova Tax Office Building
1995
A first in organization and project management: Corporate Identity Renewal Project of Akbank Branches
1998
Sabanci University: Turkey’s best designed and built university campus project
1999
Our subsidiary winning 1st prize in MIPIM: Istanbul - Istanbul
2000
The birth of a giant village complex called: Kasaba
2002
Our subsidiary winning 1st prize in MIPIM: Istanbul - Istanbul
2004
Entrance into Jordanian market: King’s Academy
2005
First shopping mall in Eskisehir: NEO Shopping Center
2009
A first in Azerbaidjan: Baku Hilton Hotel
2010
The first LEED and BREEAM-certified educational institution: Sabancı University Nano Technology Center
2011
The first reinforced concrete structure in Turkey in which inclined plane and angled load bearing systems are used: Kristal Kule, İstanbul
2011
The first fully-automatic high building in Turkey in which high speed double deck elevators are used: Levent 199, İstanbul
2012
The product of 2014 Winter Olympics: Marriott Resort Hotel
2013
T. İş Bankası Tuzla Technology and Operation Center (TUTOM): This is a complex building that hosts approximately 5000 personnel of T. İş Bankası and its affiliates.
2017
Within the scope of the ÜNİYURT project, accommodation and social facilities were provided for 6 thousand students in 4 different provinces.
2020
The rebirth of the Kasaba project, which started in 2000 and was one of the most important projects of that period, began with the Kasaba 4 stage and continues to grow by adding new stages. The project offers a completely different world to those who want to leave the stress of city life behind.