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Turkey tax & financial deadlines

Gelir İdaresi Başkanlığı business obligations: corporate tax, VAT and withholding.

This information is provided for general planning and reference only. Tax obligations and deadlines can depend on taxpayer status, fiscal year, reporting period and other circumstances. Dates shown on Wait Until are indicative only and may be subject to change, extensions or jurisdiction-specific rules. Wait Until, its parents, subsidiaries and affiliates do not accept responsibility for any loss, penalty, interest, filing failure or other consequence arising from reliance on the information or any error or omission in the deadlines shown. Final confirmation of all applicable deadlines must be obtained from the relevant tax authority or a qualified tax adviser.

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Upcoming deadlines

Depends on your own dates or a set rule

These follow your financial year, reporting period, payment date or a business-day rule, so no single calendar date is shown.

  • Annual corporate tax return

    File & pay
    Verification pending

    By the last day of the 4th month after the accounting period ends (30 April for calendar-year companies).

    Annual corporate tax return and payment.

    Applies to: Companies

    Authority: Revenue Administration (Gelir İdaresi Başkanlığı)Gelir İdaresi Başkanlığı — Beyanname dönemleriLast checked Sunday 4 October 2026