GKI – Garanti Koza İnşaat – Founded in 1948, GKI is one of Turkey’s most powerful and historic construction companies. Over the decades, it has delivered landmark housing projects, creating entire neighborhoods that still carry its name.

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GKI has built the Istanbul Metro, some of Turkey’s most important dams, and the largest factories in the country. With a legacy of over 75 years, GKI represents the foundation of Turkey’s modern infrastructure and continues to lead with large-scale residential, commercial, and mixed-use developments.