According to Law No: 5520 (Turkish) Corporate Income Tax Code a flat rate of 20% corporate income tax rate applies over the fiscal profits of Turkish companies.
President is authorized to increase and decrease the actual applicable tax rate within the limits defined in law.According to a recent amendment Corporate Income Tax (CIT) rate applicable in Turkey increases to 25% for the year 2021 and 23% for the year 2022. The CIT rate was 22% for the FY2020.