Corporate Lawyer Istanbul: Business Law Guide 2026

📅 March 20, 2026⏱ 25 min read✍️ Sadaret Law

Engaging a corporate lawyer in Istanbul is an essential step for any business enterprise seeking to establish, operate, expand, or restructure its operations in Turkey's largest economic center. Istanbul serves as the commercial and financial hub of Turkey, hosting the headquarters of the country's largest corporations, the Istanbul Stock Exchange (Borsa Istanbul), major international banks and financial institutions, and a thriving ecosystem of startups, small and medium enterprises, and multinational subsidiaries. The Turkish Commercial Code (Turk Ticaret Kanunu, Law No. 6102), which came into force in 2012, provides the primary legislative framework for corporate law in Turkey and reflects modern European corporate governance standards. Navigating this complex regulatory environment requires the expertise of a corporate lawyer who understands both the technical requirements of Turkish business law and the practical realities of operating in Istanbul's dynamic commercial market.

The Turkish corporate legal framework has undergone significant modernization over the past decade, driven by Turkey's aspirations for European Union membership and its desire to attract foreign direct investment. The current Turkish Commercial Code was modeled substantially on Swiss corporate law and incorporates elements from European Union company law directives, creating a sophisticated regulatory environment that is broadly compatible with international business standards. The Code addresses the formation, governance, operations, restructuring, and dissolution of all types of business entities, from small limited liability companies to large publicly traded joint stock companies. It also establishes the rights and obligations of shareholders, directors, auditors, and other corporate stakeholders, providing a comprehensive framework for corporate relationships and transactions.

Istanbul's position as Turkey's economic capital makes it the natural base for corporate legal services. The city generates approximately one-third of Turkey's gross domestic product and is home to the vast majority of major law firms specializing in corporate and commercial law. The Istanbul Trade Registry, one of the busiest in the country, processes thousands of company registrations, amendments, and dissolutions each year. The Istanbul commercial courts handle a high volume of corporate disputes, including shareholder conflicts, director liability claims, and commercial contract disputes. For international businesses, Istanbul offers the additional advantage of a cosmopolitan legal community with extensive experience in cross-border transactions, multilingual capabilities, and familiarity with both Turkish and international business practices.

This comprehensive guide covers every essential aspect of corporate law practice in Istanbul as of 2026, from company formation and corporate governance to mergers and acquisitions, shareholder rights, foreign direct investment, and corporate dispute resolution. The full text of the Turkish Commercial Code and related regulations is available at mevzuat.gov.tr, and information about the Turkish court system and Ministry of Justice can be found at adalet.gov.tr. For professional corporate legal assistance, Sadaret Law & Consultancy provides comprehensive corporate and commercial law services to domestic and international clients throughout Istanbul and Turkey.

Types of Business Entities in Turkey

The Turkish Commercial Code recognizes five types of commercial companies, each with distinct characteristics, governance structures, and liability regimes. The two most commonly used forms for significant business operations are the limited liability company (limited sirket, abbreviated as Ltd. Sti.) and the joint stock company (anonim sirket, abbreviated as A.S.). Understanding the differences between these entity types is essential for selecting the corporate structure that best aligns with the business objectives, ownership structure, financing needs, and operational requirements of any enterprise. A corporate lawyer provides invaluable guidance in this selection process, analyzing the specific circumstances of each client and recommending the entity type that offers the optimal combination of flexibility, liability protection, and regulatory compliance.

The limited liability company is the most popular business entity type in Turkey due to its relatively straightforward formation requirements, flexible management structure, and limited liability protection for shareholders. Under the Turkish Commercial Code, a limited liability company can be established by one to fifty shareholders, with a minimum capital requirement of 50,000 TL. The shareholders' liability is limited to their capital contributions, meaning that their personal assets are generally protected from the company's debts and obligations. The management of a limited liability company is conducted by one or more directors (mudur), who may be shareholders or external appointees. The general assembly of shareholders serves as the supreme decision-making body and must meet at least once annually to approve the financial statements, appoint directors, and make other fundamental decisions. Limited liability companies are subject to fewer regulatory requirements than joint stock companies, making them a cost-effective choice for small and medium enterprises.

The joint stock company is the preferred entity type for larger enterprises, publicly traded companies, and businesses that require access to capital markets. A joint stock company can be established by one or more shareholders with no upper limit on the number of shareholders, and the minimum capital requirement is 250,000 TL (or 500,000 TL for companies adopting the registered capital system). The shareholders' liability is limited to their subscribed capital, and shares in a joint stock company can be freely transferred unless restricted by the articles of association. The governance structure of a joint stock company includes the board of directors (yonetim kurulu), which manages the company and represents it externally; the general assembly of shareholders, which is the supreme decision-making body; and, for companies that exceed certain size thresholds, an independent auditor. Joint stock companies are subject to more extensive regulatory and reporting requirements, but they offer greater flexibility in terms of capitalization, share structure, and corporate governance arrangements.

In addition to the limited liability company and the joint stock company, the Turkish Commercial Code recognizes three other commercial company forms: the collective partnership (kollektif sirket), in which all partners have unlimited personal liability; the limited partnership (komandit sirket), which combines limited and unlimited partners; and the cooperative company (kooperatif), which is established for the mutual benefit of its members. These forms are less commonly used for major commercial operations but serve specific purposes in certain industries and contexts. Foreign investors should note that Turkey also allows the establishment of branch offices (sube) and liaison offices (irtibat burosu) of foreign companies, each with its own legal status, operational scope, and regulatory requirements. A corporate lawyer in Istanbul can provide detailed guidance on the suitability of each entity type for the client's specific objectives and help navigate the formation and registration process.

Company Formation Process in Istanbul

Establishing a company in Istanbul involves a structured series of legal and administrative steps that must be completed in accordance with the Turkish Commercial Code and the relevant implementing regulations. The process has been significantly streamlined in recent years through the introduction of online registration systems and the consolidation of multiple administrative steps into a single-window process at the Trade Registry. However, proper legal guidance remains essential to ensure that the company's foundational documents are properly prepared, that all regulatory requirements are satisfied, and that the company is positioned for successful operations from the outset. The typical company formation process in Istanbul can be completed within three to seven business days when all documents are properly prepared and submitted.

The first step in company formation is obtaining approval for the proposed trade name from the Istanbul Trade Registry office or through the online MERSIS (Central Registration System) platform. The trade name must comply with the requirements of the Turkish Commercial Code, including the inclusion of the company type designation and the avoidance of names that are identical or confusingly similar to existing registered trade names. Once the trade name is approved, the founders must prepare the articles of association (esas sozlesme for joint stock companies or sirket sozlesmesi for limited liability companies), which constitute the company's foundational governance document. The articles of association must include specific mandatory provisions established by the Commercial Code, including the company's trade name, registered address, business purpose, share capital structure, management provisions, and rules for general assembly meetings. A corporate lawyer drafts the articles of association to ensure compliance with mandatory requirements while incorporating provisions that protect the founders' interests and facilitate effective corporate governance.

Following the preparation of the articles of association, the founders must deposit the required share capital into a bank account opened in the company's name. For limited liability companies, at least one-quarter of the cash capital must be deposited before registration, with the remainder due within twenty-four months. For joint stock companies, at least one-quarter of the subscribed cash capital must be paid before registration, with the balance due within twenty-four months. Non-cash contributions (in-kind capital) must be fully delivered at the time of registration and are subject to a valuation process conducted by a court-appointed expert. The founders must also obtain any necessary permits or approvals from regulatory authorities if the company's business activities fall within a regulated sector, such as banking, insurance, telecommunications, or energy.

The actual registration of the company is completed at the Istanbul Trade Registry office, where the founders submit the articles of association, capital deposit receipts, signature declarations of the directors, identity documents of the founders and directors, and various other required documents. The Trade Registry reviews the application for compliance with legal requirements and, upon approval, registers the company in the commercial register and publishes the registration in the Trade Registry Gazette. Simultaneously, the company is registered with the tax office and assigned a tax identification number. The company is also automatically enrolled in the Social Security Institution (SGK) system for purposes of employee social security contributions. Once these registration steps are completed, the company has legal personality and can begin its commercial operations. At Sadaret Law & Consultancy, we guide clients through every step of the company formation process, ensuring a smooth and legally compliant establishment of their business in Istanbul.

Corporate Governance Standards

Corporate governance in Turkey is governed by the Turkish Commercial Code, the Capital Markets Law (Sermaye Piyasasi Kanunu, Law No. 6362) for publicly traded companies, and the Corporate Governance Principles issued by the Capital Markets Board (Sermaye Piyasasi Kurulu, SPK). These legislative and regulatory frameworks establish comprehensive standards for the management, oversight, and accountability of Turkish companies, reflecting international best practices in corporate governance while addressing the specific characteristics of the Turkish business environment. A corporate lawyer plays a central role in advising companies on their governance obligations and helping them establish governance structures that comply with legal requirements while serving the company's strategic objectives.

The board of directors is the primary governance organ of a joint stock company and bears responsibility for the management and representation of the company. Under the Turkish Commercial Code, the board must consist of at least one member, though larger companies typically have multi-member boards with a mix of executive and non-executive directors. The Code imposes a duty of care and loyalty on all board members, requiring them to exercise their functions with the diligence of a prudent manager and to prioritize the company's interests over their personal interests or the interests of third parties. Board members who breach these duties may be held personally liable for damages caused to the company, its shareholders, or creditors. The Commercial Code also requires the board to maintain certain non-delegable duties, including the overall direction and management of the company, the establishment of internal controls and risk management systems, the preparation of financial statements, and the convening of general assembly meetings.

For publicly traded companies listed on Borsa Istanbul, the Corporate Governance Principles issued by the Capital Markets Board establish additional requirements that go beyond the baseline standards of the Commercial Code. These principles address board composition and independence, requiring listed companies to have at least one-third independent board members; audit committee and other board committee requirements; shareholder rights and equal treatment; transparency and disclosure obligations; and stakeholder relations. Listed companies are required to prepare and publish annual corporate governance compliance reports that explain the extent to which they have implemented the mandatory and recommended governance principles and, for principles that are not implemented, the reasons for non-compliance. The Capital Markets Board actively monitors compliance with these principles and can impose sanctions for violations.

For private companies, corporate governance standards are primarily established by the Turkish Commercial Code and the company's own articles of association and internal regulations. While private companies are not subject to the same level of regulatory oversight as listed companies, good corporate governance practices are equally important for protecting shareholder rights, ensuring management accountability, managing risks, and maintaining the company's reputation and stakeholder relationships. A corporate lawyer can help private companies establish appropriate governance structures and practices, including board procedures, committee structures, internal controls, compliance programs, related-party transaction policies, and shareholder communication mechanisms. Implementing these practices not only reduces legal and operational risks but also enhances the company's attractiveness to potential investors, business partners, and lenders.

Foreign Direct Investment in Turkey

Turkey's foreign direct investment regime is governed primarily by the Foreign Direct Investment Law (Dogrudan Yabanci Yatirimlar Kanunu, Law No. 4875), which establishes a liberal and investor-friendly framework designed to attract international capital. The fundamental principle of the FDI Law is national treatment, meaning that foreign investors are entitled to the same rights and are subject to the same obligations as domestic investors. Foreign investors can establish new companies, acquire shares in existing companies, open branch offices, and make portfolio investments in Turkish capital markets without requiring prior government approval in most sectors. This open investment environment, combined with Turkey's strategic location, large domestic market, young population, and growing economy, has made the country an attractive destination for foreign direct investment across a wide range of industries.

While the general principle is that foreign investment does not require prior approval, certain sectors are subject to special regulations that may impose foreign ownership restrictions, licensing requirements, or approval procedures. These regulated sectors include banking and financial services, insurance, broadcasting, aviation, maritime transport, mining, and energy production and distribution. In each of these sectors, the relevant regulatory authority has the power to review and approve foreign investment transactions, and compliance with sector-specific requirements is essential for the validity of the investment. A corporate lawyer with experience in foreign direct investment can identify the applicable regulatory requirements for each specific investment, guide the investor through the approval process, and ensure compliance with all relevant laws and regulations.

The Turkish government offers a comprehensive package of investment incentives designed to encourage both domestic and foreign investment in priority sectors and regions. The investment incentive system provides benefits at multiple levels, including general incentives (available to all qualifying investments), regional incentives (providing enhanced benefits for investments in less-developed provinces), priority investment incentives (for investments in strategic sectors), and strategic investment incentives (for large-scale investments that reduce Turkey's dependence on imports). The specific benefits available under each incentive category include reduced corporate tax rates, VAT exemptions, customs duty exemptions, employer social security contribution subsidies, interest rate subsidies on investment loans, and land allocation at favorable terms. The Investment Office of the Presidency of the Republic of Turkey serves as the central coordinating body for investment incentives and provides detailed information and assistance to potential investors.

Foreign investors in Turkey are also protected by a network of bilateral investment treaties (BITs) and other international agreements that provide guarantees against expropriation, ensure the free transfer of investment-related funds, and provide access to international arbitration for the resolution of investment disputes. Turkey has signed bilateral investment treaties with over seventy countries and is a party to the ICSID Convention, which provides access to the International Centre for Settlement of Investment Disputes for qualifying investor-state disputes. These protections provide an additional layer of legal security for foreign investors, complementing the domestic legal framework established by the FDI Law and the Turkish Commercial Code. A corporate lawyer in Istanbul who is experienced in foreign investment transactions can provide comprehensive guidance on all aspects of the investment process, from initial planning and structuring through implementation and ongoing compliance.

Mergers and Acquisitions in Turkey

The Turkish mergers and acquisitions market has grown significantly over the past two decades, driven by privatization transactions, foreign investment, sectoral consolidation, and the growth of private equity activity. The legal framework for M&A transactions in Turkey is established by the Turkish Commercial Code, the Capital Markets Law (for transactions involving publicly traded companies), the Competition Law (Rekabet Kanunu, Law No. 4054), and various sector-specific regulations. M&A transactions in Turkey can take several forms, including share acquisitions, asset acquisitions, statutory mergers (where two or more companies combine into a single entity), and corporate divisions (where a single company separates into two or more entities). Each transaction form has its own legal requirements, tax implications, and strategic considerations, and a corporate lawyer provides essential guidance in selecting and executing the most appropriate transaction structure.

The due diligence process is a critical component of any M&A transaction in Turkey, as it enables the buyer to assess the target company's legal, financial, operational, and commercial condition before committing to the acquisition. Legal due diligence typically covers the company's corporate structure and governance, shareholder agreements and rights, contractual relationships, real property and other assets, intellectual property portfolio, employment relationships and obligations, regulatory compliance, litigation and potential liabilities, tax position, and environmental matters. The findings of the due diligence process inform the negotiation of the transaction documents, including the representations and warranties that the seller makes about the target company, the indemnification provisions that allocate risk between the parties, and any conditions precedent that must be satisfied before the transaction can close. Thorough due diligence conducted by an experienced corporate lawyer significantly reduces the risk of post-transaction disputes and unforeseen liabilities.

Competition law clearance is a mandatory requirement for M&A transactions that exceed certain turnover thresholds established by the Turkish Competition Authority (Rekabet Kurumu). Under the Competition Law and the relevant communiques, transactions in which the combined Turkish turnover of the parties exceeds specified thresholds must be notified to the Competition Authority before they can be completed. The Competition Authority reviews the notified transaction to assess whether it would significantly impede effective competition in the Turkish market. The review process involves an initial review period of thirty days, which may be extended to an additional six months for complex transactions that require a detailed investigation. During the review period, the parties are prohibited from completing the transaction, and implementing a transaction without obtaining the required clearance can result in significant fines and the potential unwinding of the transaction. A corporate lawyer experienced in Turkish competition law can advise on whether a notification is required and manage the notification process to achieve timely clearance.

The transaction documents for an M&A deal in Turkey typically include a share purchase agreement or asset purchase agreement, shareholder agreements (for partial acquisitions), management agreements, non-competition and non-solicitation agreements, and various ancillary documents. These documents must be carefully drafted to reflect the commercial terms agreed upon by the parties, allocate risks appropriately through representations, warranties, indemnities, and conditions, comply with the mandatory requirements of Turkish law, and address the specific characteristics of the target company and the transaction. Closing conditions typically include competition law clearance, regulatory approvals (for transactions in regulated sectors), the accuracy of representations and warranties, compliance with covenants, the absence of material adverse changes, and the delivery of all required documents and consents. Post-closing arrangements may include purchase price adjustment mechanisms, earn-out provisions, transition services agreements, and governance arrangements for the combined entity. At Sadaret Law & Consultancy, our corporate practice team provides full-spectrum M&A advisory services, from initial transaction planning through closing and post-closing integration.

Shareholder Rights and Protections

The Turkish Commercial Code establishes a comprehensive framework of shareholder rights and protections that aims to balance the interests of majority and minority shareholders while promoting effective corporate governance. These rights can be broadly categorized into financial rights, participation rights, information rights, and protective rights. Financial rights include the right to dividends, the right to a proportional share of the liquidation surplus, and preemptive rights in capital increases. Participation rights include the right to attend and vote at general assembly meetings, the right to nominate and elect directors, and the right to participate in corporate decision-making. Information rights include the right to inspect the company's financial statements and corporate records, the right to ask questions at general assembly meetings, and the right to request special audits. Protective rights include the right to challenge general assembly resolutions, the right to file derivative lawsuits on behalf of the company, and the right to request the dissolution of the company under certain circumstances.

Minority shareholders in Turkey enjoy specific protections under the Turkish Commercial Code that are designed to prevent abuse by controlling shareholders and to ensure that minority interests are adequately represented in corporate decision-making. Shareholders representing at least ten percent of the share capital (or five percent in publicly traded companies) have the right to request the convening of an extraordinary general assembly meeting, to add items to the general assembly agenda, to request the postponement of the discussion of financial statements for one month, and to request the appointment of a special auditor to investigate specific transactions or events. These minority rights are mandatory and cannot be eliminated or restricted by the articles of association. The special audit right is a particularly powerful tool for minority shareholders, as it allows an independent expert to examine the company's affairs and report findings that may serve as the basis for further legal action.

The right to challenge general assembly resolutions is one of the most important shareholder protections under Turkish law. Any shareholder who opposes a resolution at the general assembly may file a lawsuit to annul the resolution on the grounds that it violates the law, the articles of association, or the principles of good faith. The annulment lawsuit must be filed within three months of the date of the general assembly resolution. If the court determines that the resolution is unlawful, it will annul the resolution with retroactive effect, meaning that the resolution is treated as if it had never been adopted. In addition to annulment actions, shareholders may file nullity actions for resolutions that violate mandatory provisions of law or public policy, with no limitation period. These judicial review mechanisms provide an essential check on majority power and ensure that corporate decisions comply with legal requirements and respect minority rights.

Shareholder agreements (pay sahipleri sozlesmesi) are widely used in Turkey to supplement the protections provided by the Commercial Code and to establish specific arrangements between shareholders regarding the governance and management of the company. Common provisions in Turkish shareholder agreements include tag-along and drag-along rights, which protect minority shareholders in the event of a share transfer by the majority; deadlock resolution mechanisms for companies with equal or near-equal shareholders; non-competition and non-solicitation obligations; information and reporting requirements beyond the statutory minimum; and arrangements for the appointment and removal of directors. While shareholder agreements are binding between the parties, they generally do not have direct effect against the company or third parties unless their provisions are incorporated into the articles of association. A corporate lawyer can draft shareholder agreements that provide robust protections while remaining enforceable under Turkish law.

Regulatory Compliance and Corporate Obligations

Turkish companies are subject to a wide range of ongoing compliance obligations that must be satisfied throughout the life of the company. These obligations span corporate governance, financial reporting, tax compliance, employment law, data protection, anti-money laundering, sector-specific regulations, and various other areas. Failure to comply with these obligations can result in administrative fines, criminal penalties for responsible individuals, loss of licenses or permits, reputational damage, and civil liability to affected parties. A corporate lawyer provides ongoing advisory support to ensure that companies maintain full compliance with all applicable requirements and proactively address emerging regulatory risks.

Financial reporting and auditing obligations are among the most important compliance requirements for Turkish companies. All commercial companies must maintain their accounting records in accordance with the Turkish Accounting Standards, which are based on International Financial Reporting Standards (IFRS). Companies must prepare annual financial statements, including a balance sheet, income statement, cash flow statement, and notes, and submit them for approval by the general assembly within three months of the fiscal year end. Companies that exceed specified size thresholds in terms of total assets, net revenue, and number of employees are required to have their financial statements audited by an independent auditor registered with the Public Oversight, Accounting and Auditing Standards Authority (Kamu Gozetimi, Muhasebe ve Denetim Standartlari Kurumu, KGK). The audited financial statements must be filed with the Trade Registry and published in accordance with applicable requirements.

Tax compliance is another critical area of corporate obligation in Turkey. Companies are subject to corporate income tax at a rate of 25 percent on their taxable income, and they must file quarterly advance tax returns and an annual corporate tax return. In addition to corporate income tax, companies must comply with value-added tax (VAT) obligations, withholding tax obligations on payments to employees, contractors, and shareholders, stamp tax obligations on certain documents and transactions, and customs duties on imported goods. The Turkish tax system includes various incentive programs that can reduce the effective tax burden for qualifying businesses, including investment incentive certificates, technology development zone incentives, and research and development tax credits. However, these incentives come with their own compliance requirements, and failure to satisfy the conditions of an incentive program can result in the loss of the benefits and the obligation to repay previously received incentives with interest and penalties.

Data protection compliance has become an increasingly important corporate obligation following the enactment of the Personal Data Protection Act (KVKK, Law No. 6698). All companies that collect, process, or transfer personal data must comply with the Act's requirements, which include registering with the Data Controllers Registry (VERBIS), obtaining explicit consent or identifying another legal basis for data processing, implementing appropriate technical and organizational security measures, providing clear information to data subjects about data processing activities, and ensuring compliance with the Act's restrictions on cross-border data transfers. The Personal Data Protection Authority (KVKK) has the power to conduct investigations and impose significant administrative fines for violations, and individuals whose data protection rights have been violated can also pursue civil claims for compensation. A corporate lawyer experienced in data protection law can help companies develop and implement comprehensive data protection compliance programs that address all of these requirements.

Commercial Dispute Resolution

Commercial disputes in Turkey are resolved through a combination of mediation, arbitration, and litigation before the commercial courts. Since 2019, mandatory mediation has been a prerequisite for filing commercial lawsuits, meaning that parties to a commercial dispute must first attempt to resolve their differences through a registered mediator before they can access the court system. The mandatory mediation process typically lasts between two and eight weeks, and the mediator facilitates negotiations between the parties to help them reach a voluntary settlement. If the mediation is successful, the settlement agreement has the force of a final court judgment. If the mediation fails, the parties receive a mediation failure report that enables them to proceed with litigation. The mandatory mediation requirement has resulted in the resolution of a significant percentage of commercial disputes without the need for court proceedings, saving time and costs for the parties involved.

Commercial litigation in Turkey is handled by the commercial courts (asliye ticaret mahkemeleri), which are specialized divisions of the civil court system with jurisdiction over disputes between merchants and disputes arising from commercial transactions. The commercial courts apply the rules of the Code of Civil Procedure, with certain modifications applicable to commercial cases. The litigation process begins with the filing of a petition, followed by the defendant's response, a second round of written submissions, a preliminary examination hearing, evidentiary hearings, and the rendering of a judgment. Commercial cases at the first instance level typically take between one and three years, depending on the complexity of the case, the volume of evidence, and the workload of the court. Appeals from commercial court decisions are heard by the regional courts of appeal, and further appeals on questions of law may be filed with the Court of Cassation.

Arbitration is increasingly popular as an alternative to litigation for the resolution of commercial disputes in Turkey, particularly in the context of international transactions. Domestic arbitration is governed by the relevant provisions of the Code of Civil Procedure, while international arbitration is governed by the International Arbitration Act (Law No. 4686). The Istanbul Arbitration Centre (ISTAC) provides institutional arbitration services with modern rules, experienced arbitrators, and purpose-built facilities. Arbitration offers several advantages over court litigation, including the ability to select arbitrators with specific expertise, greater procedural flexibility, confidentiality, and the finality and international enforceability of arbitral awards under the New York Convention. However, arbitration can also be more expensive than court litigation, particularly for smaller disputes, and the limited grounds for challenging arbitral awards means that parties must be confident in the quality of the arbitral process.

Shareholder disputes represent a particularly important category of corporate litigation in Turkey. These disputes may involve challenges to general assembly resolutions, derivative lawsuits filed by shareholders on behalf of the company against directors or other parties, actions for the dissolution of the company based on just cause, squeeze-out actions by majority shareholders to acquire the shares of minority shareholders, and various other claims arising from the rights and obligations established by the Commercial Code, the articles of association, and shareholder agreements. Shareholder disputes can be highly contentious and can have significant implications for the company's operations, reputation, and value. A corporate lawyer experienced in shareholder disputes can provide strategic advice on the available legal options, represent the client's interests in mediation or litigation, and help achieve resolutions that protect the client's investment and rights.

Corporate Restructuring and Insolvency

Corporate restructuring in Turkey encompasses a range of legal mechanisms that allow companies to reorganize their structure, operations, or financial arrangements in response to changing business conditions, strategic opportunities, or financial distress. The Turkish Commercial Code provides detailed rules for several types of corporate restructuring transactions, including mergers (birlesme), where two or more companies combine into a single entity; corporate divisions (bolunme), where a company transfers all or part of its assets and liabilities to one or more other companies; and type conversions (tur degistirme), where a company changes its legal form from one entity type to another. Each of these restructuring mechanisms follows a prescribed procedure that includes board approval, an independent expert report, shareholder approval, creditor protection measures, and registration with the Trade Registry.

Financial restructuring is relevant for companies experiencing cash flow difficulties or balance sheet insolvency. The Turkish legal system provides several options for companies in financial distress, ranging from informal workout arrangements negotiated with creditors to formal insolvency proceedings under the Execution and Bankruptcy Act (Icra ve Iflas Kanunu, Law No. 2004). The concordat (konkordato) procedure is the primary judicial mechanism for companies seeking to restructure their debts while continuing their operations. Under a concordat, the debtor proposes a repayment plan to its creditors, and if the plan is approved by the requisite majority of creditors and ratified by the court, it becomes binding on all creditors, including those who voted against the plan. The concordat process provides an automatic stay against enforcement actions during the proceedings, giving the debtor breathing room to implement the restructuring plan.

Bankruptcy proceedings (iflas) under Turkish law are initiated when a debtor is unable to pay its debts as they become due. Bankruptcy can be declared by the commercial court upon the petition of the debtor itself or of a creditor who can demonstrate that the debtor is insolvent. Upon the declaration of bankruptcy, the debtor's assets are placed under the administration of a bankruptcy trustee (iflas idaresi), who is responsible for collecting and liquidating the assets, determining the validity and priority of creditor claims, and distributing the proceeds to creditors in accordance with the statutory priority order. Secured creditors have priority over unsecured creditors, and among unsecured creditors, the law establishes a hierarchy of priority classes including employee claims, tax claims, and general unsecured claims. The bankruptcy process can be lengthy and complex, and the recovery rates for unsecured creditors in Turkish bankruptcies have historically been relatively low.

Directors and managers of Turkish companies face significant personal liability risks in the context of financial distress and insolvency. Under the Turkish Commercial Code, directors have an affirmative obligation to monitor the company's financial condition and to take prompt action if the company's equity falls below specified thresholds. If the company's equity falls to half of the share capital, the board must convene an extraordinary general assembly meeting and propose remedial measures. If the company becomes over-indebted (meaning its liabilities exceed its assets), the board must either implement measures to cure the over-indebtedness or file for bankruptcy. Failure to fulfill these obligations can result in personal liability for directors for the company's debts. Additionally, directors who continue to operate the company and incur new obligations while knowing that the company is insolvent may face criminal liability under the Turkish Penal Code. A corporate lawyer provides critical guidance to directors in these situations, helping them understand their obligations, evaluate their options, and take legally compliant actions to protect both the company and themselves.

Intellectual Property Protection for Businesses

Intellectual property protection is an increasingly important aspect of corporate law in Turkey, as businesses across all sectors rely on trademarks, patents, industrial designs, copyrights, and trade secrets to protect their competitive advantages and create value. Turkey's intellectual property regime has been substantially modernized in recent years, with the enactment of the Industrial Property Code (Sinai Mulkiyet Kanunu, Law No. 6769) in 2017 consolidating and updating the laws governing trademarks, patents, utility models, industrial designs, and geographical indications. Copyright protection is governed by the Copyright Act (Fikir ve Sanat Eserleri Kanunu, Law No. 5846). The Turkish Patent and Trademark Office (Turk Patent ve Marka Kurumu, TURKPATENT) serves as the central authority for the registration and administration of industrial property rights.

Trademark protection is the most widely used form of intellectual property right for businesses operating in Turkey. A trademark registration provides the holder with the exclusive right to use the registered mark in connection with the goods or services covered by the registration, and the right to prevent others from using identical or confusingly similar marks. Trademark registrations in Turkey are valid for ten years from the application date and can be renewed indefinitely for successive ten-year periods. The registration process involves an application to TURKPATENT, followed by a formal examination, publication for opposition purposes, and, if no successful opposition is filed, registration and issuance of a certificate. Turkey is also a member of the Madrid Protocol, which enables trademark holders to seek international registration through a single application that designates Turkey as one of the covered jurisdictions.

Patent and utility model protection is available for inventions that meet the requirements of novelty, inventive step (for patents) or being beyond the state of the art (for utility models), and industrial applicability. Patents provide protection for twenty years from the filing date, while utility models provide protection for ten years. The patent application process involves a filing with TURKPATENT, a formal and substantive examination, and the grant of the patent if all requirements are met. Patent protection is particularly important for technology companies, pharmaceutical companies, and manufacturing enterprises that invest significant resources in research and development. The enforcement of patent rights in Turkey is handled by the specialized intellectual property courts (fikri ve sinai haklar mahkemeleri), which have specific expertise in the technical and legal issues that arise in patent disputes.

Trade secret protection has become increasingly important in the digital age, as companies generate and manage vast quantities of confidential business information that may not qualify for formal intellectual property registration but nonetheless represents significant competitive value. Turkish law provides protection for trade secrets through a combination of contractual mechanisms (confidentiality agreements, non-disclosure agreements, and employment contract provisions), statutory provisions (including the unfair competition provisions of the Turkish Commercial Code), and criminal law sanctions for the unauthorized disclosure of business secrets. A corporate lawyer can help businesses develop comprehensive intellectual property strategies that encompass trademark and patent portfolio management, licensing and technology transfer agreements, IP due diligence in M&A transactions, enforcement actions against infringers, and trade secret protection programs.

Employment Law for Corporate Clients

Employment law is a critical area of corporate legal practice in Istanbul, as Turkish labor legislation imposes extensive obligations on employers and provides significant protections for employees. The Labor Act (Is Kanunu, Law No. 4857) is the primary legislation governing employment relationships and establishes mandatory standards for hiring, working conditions, termination, and employee rights. The Social Security and General Health Insurance Act (Sosyal Sigortalar ve Genel Saglik Sigortasi Kanunu, Law No. 5510) governs social security contributions and benefits. The Occupational Health and Safety Act (Is Sagligi ve Guvenligi Kanunu, Law No. 6331) establishes workplace safety standards and employer obligations. A corporate lawyer helps businesses navigate these complex regulatory requirements and develop employment practices that comply with the law while serving the company's operational needs.

The hiring process in Turkey involves several mandatory steps that employers must follow, including the preparation of a written employment contract, registration of the employee with the Social Security Institution, completion of occupational health and safety documentation, and compliance with any applicable mandatory employment quotas. Turkish law requires employers to employ disabled workers equal to at least three percent of their workforce and, in certain cases, former convicts equal to additional percentages. Employment contracts may be for an indefinite term or a fixed term, full-time or part-time, and may include probationary periods of up to two months (or up to four months under collective bargaining agreements). The employment contract must clearly specify the essential terms of the employment relationship, including the position, duties, working hours, compensation, and any special conditions or restrictions. A corporate lawyer ensures that employment contracts are properly drafted to comply with mandatory legal requirements and protect the employer's legitimate interests.

Termination of employment is one of the most regulated and litigated areas of Turkish labor law. The Labor Act establishes both procedural and substantive requirements for termination that vary depending on the type of employment contract and the number of employees in the workplace. For employers with thirty or more employees, the Act provides job security protections (is guvencesi) that require the employer to have a valid reason for termination related to the employee's capacity, conduct, or the operational requirements of the business. The employer must provide the employee with a written explanation of the reason for termination, and the employee has the right to challenge the termination before the labor courts within one month. If the court finds the termination to be unjustified, it may order the employer to reinstate the employee and pay compensation for the period between termination and reinstatement. Even where job security provisions do not apply, employers must provide advance notice and pay severance compensation (kidem tazminati) to employees who have completed at least one year of service.

Collective labor relations in Turkey are governed by the Trade Unions and Collective Bargaining Act (Sendikalar ve Toplu Is Sozlesmesi Kanunu, Law No. 6356), which establishes the framework for trade union organization, collective bargaining, and industrial action. Employees have the constitutional right to form and join trade unions, and employers are prohibited from discriminating against employees based on their trade union membership or activities. Collective bargaining agreements negotiated between authorized trade unions and employer organizations or individual employers establish binding terms and conditions of employment for the workers covered by the agreement, including wages, working hours, leave entitlements, workplace safety provisions, and grievance procedures. A corporate lawyer helps employers manage their labor relations effectively, including negotiating collective bargaining agreements, handling individual and collective labor disputes, and ensuring compliance with all applicable employment legislation.

Corporate Tax Planning and Incentives

Effective tax planning is an essential aspect of corporate operations in Turkey, as the Turkish tax system presents both significant obligations and valuable opportunities for businesses that structure their affairs appropriately. The corporate income tax rate in Turkey stands at 25 percent as of 2026, and companies are also subject to value-added tax (standard rate of 20 percent), withholding taxes on various types of payments, stamp tax on certain documents and transactions, and property taxes on real estate holdings. Understanding the full scope of tax obligations and the available planning opportunities requires the combined expertise of tax advisors and corporate lawyers who can ensure that tax-efficient structures are legally compliant and commercially viable.

Turkey's investment incentive system provides one of the most comprehensive packages of tax benefits available in the region. The incentive system, administered by the Ministry of Industry and Technology, offers benefits at multiple levels depending on the sector, location, and size of the investment. General incentives include VAT exemptions on imported and domestically purchased machinery and equipment and customs duty exemptions on imported machinery. Regional incentives add reduced corporate tax rates, employer social security contribution subsidies, and interest rate support, with the level of benefit increasing for investments in less-developed provinces. Strategic investment incentives provide the most generous benefits, including corporate tax reductions of up to 90 percent and VAT refunds on construction expenditures, for large-scale investments that reduce Turkey's current account deficit by substituting imports with domestic production.

Technology development zones (Teknoloji Gelistirme Bolgeleri, also known as technoparks) and research and development incentives provide additional tax benefits for companies engaged in innovation and technology development. Companies operating in technology development zones enjoy corporate income tax exemptions on income derived from software development and R&D activities within the zone, as well as VAT exemptions on application software and various other benefits. Outside of technology development zones, companies can benefit from R&D tax incentives that provide additional deductions of 100 percent of qualifying R&D expenditures, effectively allowing companies to deduct 200 percent of their R&D costs against their taxable income. These incentives are designed to encourage innovation and technological development in Turkey and can provide significant tax savings for qualifying companies.

Transfer pricing regulations require Turkish companies that engage in transactions with related parties, including foreign parent companies, subsidiaries, and other affiliates, to conduct these transactions at arm's length prices, meaning prices that would be charged between independent parties in comparable transactions. Companies that fail to comply with transfer pricing rules may face tax adjustments, penalties, and double taxation. The Turkish tax authorities have adopted the OECD Transfer Pricing Guidelines as the primary reference for transfer pricing analysis and require companies to prepare and maintain transfer pricing documentation that supports the arm's length nature of their related-party transactions. A corporate lawyer working in conjunction with tax advisors can help companies develop transfer pricing policies, prepare the required documentation, and manage transfer pricing disputes with the tax authorities.

Frequently Asked Questions

What types of companies can be formed in Turkey?

Turkish law recognizes five types of commercial companies: the limited liability company (limited sirket), the joint stock company (anonim sirket), the collective partnership (kollektif sirket), the limited partnership (komandit sirket), and the cooperative company (kooperatif). The most commonly used forms are the limited liability company, which requires a minimum capital of 50,000 TL and can have between one and fifty shareholders, and the joint stock company, which requires a minimum capital of 250,000 TL and can have an unlimited number of shareholders. Foreign investors can also establish branch offices or liaison offices. The choice of entity type depends on factors including the number of shareholders, capital requirements, management structure preferences, liability considerations, and future plans for the business.

How long does it take to incorporate a company in Istanbul?

The company incorporation process in Istanbul typically takes between three and seven business days when all documents are properly prepared. The process involves obtaining trade name approval through the MERSIS system, preparing the articles of association, depositing the required capital in a bank account, registering with the Istanbul Trade Registry, and obtaining a tax identification number. The online MERSIS system has significantly streamlined the process by allowing certain steps to be completed electronically. However, additional time may be required for sector-specific permits, licenses, or regulatory approvals, and for foreign investors who need to obtain apostilled documents or translations from abroad.

Can foreigners own 100% of a company in Turkey?

Yes, under Turkey's Foreign Direct Investment Law (Law No. 4875), foreign investors can establish or acquire 100% ownership of companies in Turkey without any requirement for a local partner. The FDI Law is based on the principle of national treatment, meaning that foreign investors have the same rights and obligations as domestic investors. However, there are limited exceptions in certain regulated sectors where foreign ownership may be restricted or subject to additional approvals. These sectors include broadcasting (maximum 50% foreign ownership), aviation, maritime transport, and certain aspects of the education and healthcare sectors. A corporate lawyer can advise on the specific requirements applicable to your intended business activities.

What are the annual compliance requirements for Turkish companies?

Turkish companies must fulfill numerous annual compliance obligations. These include holding an annual general assembly meeting within three months of the fiscal year end, filing annual financial statements with the Trade Registry, preparing and submitting the annual corporate income tax return, filing quarterly advance corporate tax returns, submitting monthly VAT returns and withholding tax returns, maintaining statutory books and records, and fulfilling data protection registration and reporting obligations. Companies exceeding certain size thresholds must also have their financial statements audited by an independent auditor. Failure to comply with these requirements can result in administrative fines, penalties, and potential personal liability for directors and managers.

What is the corporate tax rate in Turkey?

The standard corporate income tax rate in Turkey is 25 percent as of 2026. This rate applies to the taxable income of all resident companies, including limited liability companies, joint stock companies, and branches of foreign companies. Certain incentives and reduced rates are available depending on the sector, location, and nature of the business activities. Investment incentive certificates can provide reduced corporate tax rates ranging from 10 to 90 percent for qualifying investments. Technology development zones offer full corporate tax exemption on income from software development and R&D activities. Companies should work with corporate lawyers and tax advisors to identify and utilize all available incentives to optimize their effective tax rate.

Need a Corporate Lawyer in Istanbul?

Sadaret Law & Consultancy provides comprehensive corporate and commercial law services in Istanbul and throughout Turkey. Our experienced team assists with company formation, corporate governance, mergers and acquisitions, foreign investment, shareholder disputes, regulatory compliance, and all aspects of business law. Contact us at +90 531 500 03 76 or via WhatsApp to schedule a consultation.

Corporate law in Istanbul demands expertise, attention to detail, and an understanding of both the Turkish regulatory environment and international business practices. Whether you are establishing a new business, expanding your operations, navigating a complex transaction, or resolving a commercial dispute, working with a qualified corporate lawyer is essential for protecting your interests and achieving your business objectives. Visit our homepage or contact our office directly for expert corporate legal guidance.

This article was written and updated by the legal team at Sadaret Law & Consultancy in March 2026. It does not constitute legal advice. Every legal matter involves unique circumstances, and we recommend consulting with an attorney for your specific situation.
All Articles
Related Article
Contract Lawyer Turkey 2026
Related Article
Lawyer in Turkey: Complete Legal Guide