Discover the essential clauses every foreign company should include in a Turkish commercial lease agreement. Learn about rent adjustment, termination, security deposits, assignment, force majeure, dispute resolution, and legal protections in this 2026 Updated Legal Guide.

Signing a commercial lease agreement is one of the most important legal decisions a foreign company makes when entering the Turkish market. Whether establishing a regional headquarters in Istanbul, opening a manufacturing facility in Bursa, leasing office space in Ankara, operating a logistics warehouse in Mersin, or launching a retail business in Izmir, the lease agreement directly affects operational continuity, financial stability, and long-term investment security.

Many foreign businesses rely on standard lease templates prepared by landlords without realizing that these documents often provide limited protection for tenants. Ambiguous clauses, one-sided termination rights, unrestricted rent increases, unclear maintenance obligations, and inadequate dispute resolution provisions frequently result in costly legal disputes.

Commercial leases in Turkey are governed primarily by the Turkish Code of Obligations (TCO). Although commercial parties generally enjoy broad contractual freedom, several mandatory legal provisions cannot be excluded by agreement. Accordingly, lease agreements should be carefully tailored to comply with Turkish law while protecting the commercial interests of foreign investors.

This 2026 Updated Legal Guide explains the key clauses every foreign company should negotiate before signing a commercial lease agreement in Turkey.

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Why Commercial Lease Drafting Matters

A commercial lease determines:

• Business continuity.
• Monthly operating costs.
• Expansion opportunities.
• Exit flexibility.
• Investment protection.
• Operational risk.
• Dispute resolution.
• Property improvements.

A carefully negotiated lease reduces both legal uncertainty and financial exposure.

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1. Accurate Identification of the Parties

The agreement should clearly identify:

• Landlord.
• Tenant.
• Company registration details.
• Tax identification numbers.
• Authorized signatories.
• Registered addresses.

If the tenant is a foreign company acting through a Turkish subsidiary or branch, the contracting entity should be identified precisely.

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2. Detailed Property Description

The lease should accurately describe:

• Address.
• Floor.
• Unit number.
• Gross and net floor area.
• Storage areas.
• Parking spaces.
• Common areas.
• Technical facilities.

The agreement should eliminate any uncertainty regarding the leased premises.

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3. Permitted Use Clause

The lease should expressly define the permitted business activity.

Examples include:

• Office.
• Retail.
• Manufacturing.
• Warehouse.
• Restaurant.
• Hotel.
• Healthcare facility.
• Technology center.

Businesses should also verify that the intended use complies with zoning and licensing requirements.

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4. Lease Term

The agreement should specify:

• Commencement date.
• Expiration date.
• Renewal options.
• Notice periods.
• Extension procedures.

Long-term commercial tenants often negotiate renewal options to protect business continuity.

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5. Rent Amount and Payment Terms

The lease should clearly regulate:

• Monthly rent.
• Payment currency.
• Due dates.
• Bank account details.
• VAT obligations.
• Late payment consequences.

Payment provisions should leave no ambiguity.

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6. Rent Adjustment Clause

One of the most important clauses concerns rent increases.

The agreement should specify:

• Adjustment frequency.
• Applicable index.
• Calculation formula.
• Review periods.
• Currency conversion where relevant.

Poorly drafted adjustment clauses are among the leading causes of commercial lease litigation.

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7. Foreign Currency Clause

Foreign companies frequently negotiate rent in:

• Euro.
• US Dollar.
• British Pound.

Because Turkish regulations governing contracts denominated in foreign currency may affect certain commercial lease arrangements, businesses should obtain legal advice before agreeing to foreign currency payment provisions.

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8. Security Deposit

The lease should regulate:

• Deposit amount.
• Payment method.
• Deposit account.
• Conditions for return.
• Permitted deductions.
• Time for repayment.

Clear deposit provisions reduce disputes at the end of the lease.

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9. Maintenance and Repair Obligations

The agreement should distinguish responsibility for:

Landlord

• Structural repairs.
• Roof.
• Exterior walls.
• Common building systems.
• Major infrastructure.

Tenant

• Interior maintenance.
• Daily repairs.
• Decoration.
• Operational equipment.
• Cleaning.

Clearly allocating responsibility helps avoid unexpected costs.

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10. Fit-Out and Renovation Rights

Foreign companies often invest heavily in:

• Office construction.
• Interior architecture.
• Technical systems.
• Data infrastructure.
• Security equipment.
• Branding.

The lease should address:

• Required approvals.
• Ownership of improvements.
• Removal rights.
• Restoration obligations.
• Compensation, if any.

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11. Assignment and Transfer

The agreement should regulate whether the tenant may:

• Assign the lease.
• Transfer occupancy.
• Merge into another company.
• Transfer operations.
• Permit occupation by affiliated group companies.

Assignment rights are particularly important for multinational corporate groups.

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12. Subleasing

The lease should specify:

• Whether subleasing is permitted.
• Landlord consent requirements.
• Partial subleases.
• Shared occupancy.
• Franchise operations.

These provisions should align with the tenant’s future business plans.

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13. Early Termination Clause

Businesses should negotiate:

• Early termination rights.
• Notice periods.
• Compensation formulas.
• Replacement tenant provisions.
• Mutual termination procedures.

A well-drafted exit clause provides flexibility if business circumstances change.

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14. Force Majeure

The agreement should define the consequences of extraordinary events such as:

• Earthquakes.
• Floods.
• Fire.
• Government restrictions.
• Pandemic-related closures.
• War.
• Civil unrest.

The clause should explain how these events affect rent obligations and business operations.

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15. Insurance

The lease should allocate responsibility for:

• Property insurance.
• Fire insurance.
• Public liability insurance.
• Equipment insurance.
• Business interruption insurance.

Insurance obligations should be coordinated with the landlord’s existing coverage.

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16. Compliance With Laws

The agreement should clarify responsibility for compliance with:

• Zoning regulations.
• Health and safety rules.
• Environmental legislation.
• Fire safety.
• Licensing requirements.
• Accessibility obligations.

Each party should understand its legal responsibilities.

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17. Confidentiality

Commercial leases involving sensitive business operations should include confidentiality provisions protecting:

• Rental terms.
• Technical information.
• Business plans.
• Customer information.
• Security arrangements.

Confidentiality clauses are particularly valuable in competitive industries.

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18. Default Provisions

The lease should specify:

• Events of default.
• Cure periods.
• Notice requirements.
• Financial consequences.
• Termination rights.
• Interest on overdue payments.

Clear default provisions reduce uncertainty during disputes.

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19. Dispute Resolution

The agreement should establish how disputes will be resolved.

Possible mechanisms include:

• Negotiation.
• Mandatory mediation where applicable.
• Turkish courts.
• Arbitration.

Selecting an appropriate dispute resolution process before signing often reduces future legal costs.

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20. Governing Law

Commercial leases concerning real property located in Turkey are generally governed by Turkish law.

The agreement should clearly reflect the applicable governing law while ensuring consistency with mandatory Turkish legal provisions.

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Common Mistakes by Foreign Companies

Foreign businesses frequently:

• Sign landlord-prepared templates without negotiation.
• Ignore mandatory provisions of Turkish law.
• Overlook foreign currency restrictions.
• Accept vague rent adjustment clauses.
• Fail to negotiate assignment rights.
• Ignore zoning compliance.
• Invest heavily before confirming renovation rights.
• Neglect dispute resolution clauses.

These mistakes can expose businesses to unnecessary legal and financial risks.

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Best Practices Before Signing

Foreign companies should:

• Conduct legal due diligence on the property.
• Verify the landlord’s ownership.
• Review zoning restrictions.
• Negotiate tenant-friendly lease provisions.
• Confirm licensing compatibility.
• Assess long-term operational needs.
• Obtain independent legal advice.
• Review every clause before execution.

Proper legal planning significantly reduces commercial risk.

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Why Professional Legal Assistance Is Essential

Commercial lease negotiations require expertise in:

• Turkish contract law.
• Commercial real estate.
• Corporate law.
• Commercial litigation.
• Property law.
• Regulatory compliance.
• Construction law.
• Cross-border investment.

An experienced Turkish commercial real estate lawyer can:

• Draft and negotiate lease agreements.
• Protect tenant interests.
• Review rent adjustment provisions.
• Advise on foreign currency issues.
• Structure assignment rights.
• Resolve landlord disputes.
• Represent businesses in mediation and court proceedings.
• Reduce long-term operational risks.

Legal review before signing a commercial lease is one of the most cost-effective investments a foreign business can make when entering the Turkish market.

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Frequently Asked Questions

1. Can foreign companies lease commercial property in Turkey?

Yes. Foreign companies and foreign-owned Turkish entities may generally lease commercial premises, subject to Turkish law and the specific terms of the lease.

2. Which lease clause is the most important?

Rent adjustment, early termination, assignment, dispute resolution, and permitted use clauses are among the most important provisions for commercial tenants.

3. Can commercial rent be denominated in foreign currency?

In some cases, yes. However, Turkish foreign currency regulations should be reviewed carefully because restrictions may apply depending on the transaction.

4. Should tenants negotiate assignment rights?

Yes. Assignment provisions are particularly important for multinational companies, corporate restructurings, mergers, acquisitions, and group reorganizations.

5. Why are fit-out clauses important?

Foreign companies often invest substantial amounts in customizing commercial premises. The lease should clearly regulate ownership, removal rights, restoration obligations, and compensation.

6. Should commercial leases include force majeure provisions?

Yes. A comprehensive force majeure clause helps allocate risk arising from extraordinary events that disrupt business operations.

7. Is mediation required before filing a commercial lease lawsuit?

Many commercial lease disputes involving monetary claims are subject to mandatory mediation before court proceedings may begin.

8. Why should foreign companies hire a Turkish commercial real estate lawyer?

A Turkish lawyer can negotiate balanced lease terms, ensure compliance with mandatory legal rules, protect tenant rights, advise on rent adjustment mechanisms, and reduce the risk of future landlord-tenant disputes.

Legal Support – Contact Our Commercial Real Estate Lawyers

A well-drafted commercial lease agreement is more than a rental contract—it is a key legal instrument that protects your investment, supports business continuity, and minimizes future disputes. Foreign companies entering the Turkish market should ensure that every significant commercial risk is addressed before signing.

Fırat Fesih Kaya and our legal team advise foreign investors, multinational corporations, retailers, manufacturers, logistics companies, hotel operators, healthcare providers, entrepreneurs, and international businesses on commercial lease agreements, lease negotiations, commercial real estate transactions, landlord-tenant disputes, rent determination actions, lease assignments, mediation, commercial litigation, and all aspects of Turkish commercial property law.

Phone: +90 312 434 22 22

Mobile: +90 532 769 22 22

Email: info@firatfesihkaya.av.tr

Address: Mevlana Boulevard No:221, Yıldırım Tower, Office No:148, 06520 Balgat, Çankaya, Ankara, Turkey