Corporate tax in Turkey, explained against the Revenue Administration (Gelir Idaresi Baskanligi): the headline rate, how taxable profit is calculated
What a company owes in Turkey depends on how its tax authority defines profit, residence and reliefs.
Company filings and tax returns generally require a licensed accountant (SMMM or YMM), and legal work requires a lawyer registered with a Turkish bar. Tax here is administered by the Revenue Administration (Gelir Idaresi Baskanligi), and the guides below walk through the headline rate, how taxable profit is calculated, filing and payment deadlines, and the reliefs a small company can claim for Turkey specifically.
Understand Turkey's corporate tax regulation, including rates and deadlines for filing in 2026.
Explore Turkey's double taxation treaties and how to claim benefits, focusing on key agreements with major countries.
Explore Turkey's tax incentives for foreign investors in 2026, including free zones, R&D incentives, and investment programs.
