Company is established in Ankara as Garanti İnşaat Ltd., as a subsidiary of Garanti Bankasi. First contracted work is the Carpentry Works of the National Assembly Building, on 8th November 1948.
Headquarters moves to İstanbul. Garanti İnşaat concentrates on government investment projects, public works and industrial facilities.
Koç Holding acquires a 62% stake in Garanti Bankasi.
Koç Holding acquires an 80% interest in Garanti İnşaat, making it part of the Koç Group.
Koç Holding sells its Garanti Bankası stock but retains its stake in Garanti İnşaat in order to maintain its presence in the construction sector. The Company becomes a joint stock company. Focus is placed on modern industrial and residential projects, at home and abroad.
Hochtief A.G., one of Germany’s largest construction companies, forms a partnership with Garanti İnşaat, by acquiring 40% of its shares.
Garanti İnşaat merges with Koza İnşaat, a Koç Group company active in marketing housing developments built by Garanti İnşaat, since 1981. Hochtief’s share increases to 42%. The name of the company is changed to be Garanti Koza.
Balfour Beatty plc, Europe’s and United Kingdom’s leading international engineering, construction and services group, acquires 49.18% of Garanti İnşaat shares. The name of the company becomes Garanti Balfour Beatty.
Mehmet Şükrü İlkel, acquires 98% of the shares of GARANTİ BALFOUR BEATTY İnşaat in April-2004. Title of the company is re-changed to GARANTİ KOZA İnşaat Sanayi ve Ticaret A.Ş.
GARANTİ KOZA is actively involved in miscellaneous investments at home and abroad, as group parent company and experienced extensively in infrastructure- public works, industrial facilities, building and land/real estate development as well as specialized projects like hospitals, marinas and renovation works. GARANTİ KOZA aims to maintain its commitment to excellence by the extensive experience gained from successful completion of a variety of projects in diverse countries, and the precious contacts acquired on the way.