As Şehmus Kaya Contracting Established in 1974, SERTKA was incorporated into one of the Turkey's leading companies operating in the construction area in 1983. SERTKA, which has signed important projects to date, continues many projects meticulously with its experts in area and expert staff. With the participation of group companies, SERTKA GROUP is constantly developing and growing with its structure of 10 companies. Since its establishment, it has built more than 3,000,000 m² of living space in total, including special buildings, infrastructures and superstructures. SERTKA Engineering has real estate development experience in its business model, which includes stages such as construction, marketing and sales. SERTKA, which provides direct and indirect employment to more than 5,000 people with its 250 employees, subcontractors and solution partners, carries out successful projects in the country.