Sayka Architecture & Construction Ltd. was established by Saadet Sayın (Conservation Architect), S.Sırrı Sayın (Civil Engineer), and Ahmet Sayın (Economist) in 1986. Since its foundation, Sayka has been specialised in architectural conservation projects and implementations, public housing projects, health complexes, cultural complexes, accommodation facilities, administrative and commercial building projects, and urban design and conservation development plans.