Corporate Tax in Turkey: Rates, Filing & Requirements – 2025
Corporate Tax in Turkey: Rates, Filing & Requirements – 2025
Corporate Tax in Turkey: Rates, Filing & Requirements – 2025
Published on January 6, 2025
Turkey’s corporate tax system is a critical consideration for both local and foreign businesses. Whether you’re operating a resident company in Turkey or a non-resident entity earning income within the country, understanding corporate income tax rules is vital for compliance and strategic tax planning. Below is an updated, easy-to-read guide that covers corporate tax rates, filing requirements, and key considerations for 2025.
Table of Contents
1. What is Corporate Income Tax (CIT) in Turkey?
Corporate Income Tax (CIT) is a direct tax levied on the profits of companies and other business entities. In Turkey, CIT applies to:
Resident Companies: Those with legal or business headquarters in Turkey (taxed on worldwide income).
Non-Resident Companies: Those established abroad but earning income in Turkey through a branch, office, or permanent establishment (taxed only on Turkey-sourced income).
CIT is regulated by Turkish Corporate Tax Law No. 5520 and administered by the Turkish Revenue Administration.
2. Corporate Tax Rate in Turkey
As of 2024, the standard corporate tax rate in Turkey is 25%.
Rates may fluctuate based on government policies or economic conditions.
Sectoral Adjustments: Some entities (e.g., operating in free zones, technology development zones, etc.) may benefit from lower effective tax rates or exemptions.
3. Who is Liable for CIT in Turkey?
Resident Companies & Establishments: Taxed on their global income if incorporated in Turkey or if their management headquarters is located in Turkey.
Non-Resident Companies & Establishments: Taxed on Turkish-sourced income if they operate through a permanent establishment or branch in Turkey.
Entities subject to CIT include:
Corporations (Joint-Stock Companies, Limited Liability Companies)
Funds
Cooperatives
Economic entities affiliated with associations or foundations
Joint Ventures
4. Categories of Taxable Corporate Income
In Turkey, corporate tax applies to various income types, depending on a company’s residency status. Below are the primary categories:
Income from Commercial and Industrial Activities
- Profits from manufacturing, retail, wholesale, and service provision.
Income from Agricultural Activities
- Profits from farming, livestock breeding, and other agribusiness operations.
Income from Professional Services
- Earnings from law, accounting, consulting, and other professional services.
Rental Income from Immovable Property
- Income from leasing commercial, industrial, or residential properties.
Capital Gains
- Profits from selling assets like real estate, shares, or equipment. Certain long-term gains may be exempt.
Interest Income
- Interest from deposits, bonds, or corporate loans.
Dividend Income
- Domestic dividends are typically exempt, whereas foreign dividends may be taxable, depending on tax treaties.
Royalties and Intellectual Property Income
- Income from licensing patents, trademarks, or copyrights.
Foreign-Sourced Income
- Resident companies are taxed on worldwide income; non-residents only on Turkish-sourced income.
Income from Real Estate and Movable Property Sales
- Typically taxed as capital gains, though long-held assets may qualify for exemptions.
Income from Financial Instruments
- Gains from derivatives, foreign currency trading, stocks, and bonds.
Other Incomes
- Any additional income not covered above that contributes to overall profits.
5. Corporate Tax Base in Turkey
Taxable Income = (Gross Revenue) – (Allowable Deductions, Exemptions, Credits)
Inclusions:
Sales revenue of goods/services
Real estate or movable property income
Royalties, technical service fees
Capital gains from asset sales
Interest and foreign exchange gains
Deductions and Exemptions:
Depreciation of fixed assets
Loss carryforwards (up to 5 years)
R&D expenditure incentives
Exempt dividends (e.g., from Turkish subsidiaries)
Investment incentives (sector-specific/region-specific)
Foreign exchange losses and loan costs
6. Corporate Tax Filing and Payment
Tax Period: Generally the calendar year, though companies can request a different fiscal year with Ministry of Finance approval.
Annual Filing Deadline: By the 25th day of the fourth month following the fiscal year’s close (usually April 25 if using the calendar year).
Payment:
CIT can be paid in installments.
Quarterly provisional taxes act as prepayments.
Overpaid taxes may be refunded or offset against future liabilities.
7. Quarterly Corporate (Provisional) Tax
Turkey uses a provisional tax system to ensure that businesses make partial tax payments throughout the year.
What is Quarterly Corporate Provisional Tax?
- A prepayment of corporate tax, paid quarterly at the 25% rate.
Who Must Pay?
Corporations (Joint-Stock, Limited Liability)
Foreign branches
Funds, cooperatives, and joint ventures subject to CIT
Provisional Tax Rate
- 25% of quarterly taxable profits (matching the annual CIT rate).
Calculation Example
Quarterly Taxable Profit: ₺500,000
Provisional Tax (25%): ₺125,000
Payment Schedule
Q1: By May 17 (covers Jan 1–Mar 31)
Q2: By August 17 (covers Apr 1–Jun 30)
Q3: By November 17 (covers Jul 1–Sep 30)
Q4: By February 17 (covers Oct 1–Dec 31 of the previous year)
Filing Process
Submit provisional tax returns electronically via the E-Declaration System (GİB).
Include quarterly financial statements and income/expense details.
Annual Reconciliation
File the annual CIT return by April 30 (or the 25th day of the fourth month following the fiscal year’s end).
Overpayment of provisional tax can be refunded or carried forward; underpayment requires additional payment.
8. Tax Incentives for Corporations
To attract foreign investment and support strategic industries, Turkey offers multiple tax incentives:
Free Zones: Exempt from corporate tax on income generated within these zones.
Technology Development Zones (Technoparks): R&D firms enjoy CIT exemptions on R&D-derived profits until certain deadlines (e.g., 2028).
Investment Incentive Programs: Tax deductions, VAT exemptions, and customs duty exemptions for priority sectors like manufacturing, energy, and tourism.
9. Corporate Tax for Foreign Investors
Foreign companies need to understand how double taxation treaties (DTTs) and local tax rules intersect:
Double Taxation Treaties (DTTs): Turkey has agreements with over 80 countries.
Permanent Establishment Rules: Taxation hinges on whether a foreign entity has a “fixed place of business” in Turkey.
Transfer Pricing: Must follow OECD guidelines for related-party transactions.
Thin Capitalization: Interest on loans from related parties is subject to specific limitations.
10. Compliance and Penalties
Non-compliance with corporate or provisional tax obligations can lead to:
Late Payment Fines: Percentage-based or fixed penalties.
Accrued Interest: Daily accumulation until outstanding amounts are settled.
Administrative Fines: For inaccurate returns or missed deadlines.
11. FAQs About Corporate Income Tax in Turkey
What is the corporate tax rate in Turkey?
- Currently 25%.
Who is subject to corporate income tax in Turkey?
- Any entity earning income in Turkey (resident or non-resident with a permanent establishment).
How is corporate taxable income calculated?
- Gross revenue minus allowable expenses (operating costs, depreciation, etc.).
When is the annual filing deadline?
- Generally by April 25 (25th day of the fourth month after the fiscal year ends).
Can corporate losses be carried forward?
- Yes, up to five years (no carryback permitted).
Are there exemptions or incentives?
- Yes, for free zones, R&D activities, and specific sectors or regions.
What is corporate provisional tax?
- A quarterly prepayment (25%) of estimated profits, later credited against the annual CIT bill.
When is provisional tax due?
- Q1: May 17, Q2: August 17, Q3: November 17, Q4: February 17 of the next year.
How are dividends taxed for corporations?
- Domestic dividends are generally exempt; foreign dividends may be taxable depending on DTTs.
What are penalties for late filing?
- Fines, interest on unpaid taxes, and administrative penalties.
Is there withholding tax on payments to foreign entities?
- Yes, on royalties, interest, and dividends, with rates depending on tax treaties.
Which accounting standards are used?
- Turkish Financial Reporting Standards (TFRS), aligned with IFRS.
How is transfer pricing regulated?
- By OECD-based guidelines, ensuring related-party transactions occur at arm’s length.
What happens if provisional tax is overpaid?
- The overpayment can be refunded or carried forward to offset future liabilities.
12. Contact Us for Professional CIT Services
Turkey’s corporate tax system encompasses various income types and requires careful planning to ensure compliance and optimize tax liabilities.
Ozm-Consultancy is an accounting and tax consultancy firm specializing in affordable and reliable Tax Planning & Corporate Income Tax Services for international investors and foreign entrepreneurs in Turkey. Our expert team assists you with:
Smooth and efficient company incorporation
Full legal compliance and risk management
Streamlined Corporate Income Tax Planning
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