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Kolcuoğlu Demirkan Koçaklı is a full-service law firm offering a wide range of legal services. At Kolcuoğlu Demirkan Koçaklı, we use a results-oriented approach to provide tailor-made solutions for domestic and international companies, institutions and individuals in various sectors.

All of our lawyers are fluent in English. Services in German and French are also available. Many of our lawyers have postgraduate degrees in law and have experience working in international law firms abroad. Our team is dedicated to serving our clients in connection with the full breadth of Turkish law matters, including banking and finance, capital markets, competition law, corporate and commercial, dispute resolution, employment, energy and infrastructure, ethics and compliance, insurance, mergers and acquisitions, personal data privacy and real estate and construction.

Kolcuoğlu Demirkan Koçaklı is ranked among Türkiye’s leading firms, and is recommended by The Legal 500, Chambers & Partners, The IFLR1000 and other notable legal publications in several practice areas.

Professional and Corporate Memberships

Our Firm is proud to be affiliated with the following professional organizations:

 

  • South East Europe Legal Group (SEE Legal) – Exclusive Turkish Member Firm
  • Energy Law Group (ELG) – Exclusive Turkish Member Firm
  • Ethics and Reputation Society (TEID)
  • Transparency International
  • International Bar Association (IBA)
  • International Chamber of Commerce (ICC)
  • Turkish British Chamber of Commerce (TBCCI)
  • British Turkish Lawyers Association (BTLA)

 

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Recognitions and Awards
  • Deal of The Year for Türkiye 2024 – CEE Legal Matters
  • Deal of The Year for Albania 2024 – CEE Legal Matters
  • Deal of The Year for Bulgaria 2022 – CEE Legal Matters
  • Deal of The Year for Türkiye 2017 – CEE Legal Matters
  • Turkish Law Firm of the Year 2015 – The Lawyer Magazine
  • Turkish Law Firm of the Year 2014 – International Law Office Magazine
  • Client Choice Award 2026: Arbitration (Lexology) – Okan Demirkan
  • Client Choice Award 2025: Energy (Lexology) – Okan Demirkan

 

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Ethics, Commitment and Professionalism

Our long-term client relationships are based on trust. This enables us to accurately and efficiently analyze the legal and commercial aspects of each client’s legal status, while providing high-quality and time-efficient legal services.


Our Firm places significant emphasis on business ethics and is among the very few law firms in Türkiye that has adopted its own code of ethics. In addition, Kolcuoğlu Demirkan Koçaklı is an active member of both Türkiye’s preeminent ethics association (TEID) and Transparency International.
Community Service

As one of Turkey’s leading law firms, Kolcuoğlu Demirkan Koçaklı recognizes the importance of social responsibility and equal access to justice. Our Firm is proud of its mission to provide legal services to disadvantaged and underserved members of the community, and our lawyers are committed to participating in a wide selection of pro bono projects. Kolcuoğlu Demirkan Koçaklı encourages members of the Firm provide pro bono services. These activities are taken into consideration during each lawyer’s performance review. 
“The Kolcuoğlu Demirkan Koçaklı Team is very professional and has deep knowledge and expertise in their field. Preparation for the project, consulting, communication, planning and holding the processes are extremely helpful to our team.”
THE LEGAL 500, 2026
“Kolcuoğlu Demirkan Koçaklı is widely recognized as one of the leading law firms in Istanbul in the fields of banking, finance, and capital markets. The firm is distinguished by its highly skilled partners and associate lawyers, whose extensive experience, comparative legal insight, and strong problem-solving abilities contribute significantly to the success of each transaction. Their commitment to timely and comprehensive reporting, along with their clear and effective communication with clients, sets them apart in the market.”
THE LEGAL 500, 2026
“Highly responsive and client-centric with a strong ability to communicate with all parties. The practice also stands out for its collaborative mindset, innovative use of technology, and flexibility in adapting solutions to each client’s needs, which together ensure smooth execution and sustainable results.”
THE LEGAL 500, 2026
“The individuals stand out for their professionalism, accessibility, and pragmatic problem-solving approach.”
THE LEGAL 500, 2026
“The team's expertise in M&A transactions, their ability to respond quickly to our needs and their thorough understanding of our business processes make it our top choice for M&A processes.”
CHAMBERS GLOBAL, 2026
“Their knowledge of the M&A process is second to none. What makes KDK special is the way they own the process and own the client's interest.”
THE LEGAL 500, 2025
“They are very adept at understanding and guiding us on the commercial nuances underpinning the projects.”
CHAMBERS GLOBAL, 2025
“KDK's energy practice combines deep sector expertise with a sharp commercial mindset, while remaining highly responsive and consistently delivering on time. The team’s ability to anticipate client needs and provide pragmatic, business-focused solutions makes it a standout in the energy sector.”
THE LEGAL 500, 2026
“The firm has an excellent bench that is well managed and coordinated. It focuses on delivering the best work product and client experience.”
CHAMBERS EUROPE, 2026
“Kolcuoğlu Demirkan Koçaklı's team is knowledgeable and ensures full attention to detail, even in the most sophisticated matters.”
CHAMBERS EUROPE, 2026
“KDK has exceptional expertise in energy. Particularly notable is the trust and space the partners give to their talented associates, allowing them to develop and demonstrate their knowledge and expertise, whilst remaining available and engaged themselves.”
THE LEGAL 500, 2025
“The team was extremely responsive and timely throughout our cooperation. The work they have delivered showed a high level of expertise in regulatory and compliance matters.”
THE LEGAL 500, 2026
“The team represents a combination of deep sector expertise, a collaborative culture, and a commitment to innovation.”
THE LEGAL 500, 2026
“The team’s strengths in compliance lie in their ability to foresee potential challenges and offer proactive risk management strategies.”
THE LEGAL 500, 2025
“Built on a strong foundation in ethics and compliance, the firm provides strategic, solution-focused services.”
THE LEGAL 500, 2025
With Kolcuoğlu Demirkan Koçaklı as your legal partner, every stage of the transaction is handled with the utmost diligence, making client disappointment virtually impossible.”
THE LEGAL 500, 2026
“The team is highly professional, responsive, and easy to work with. They handle complex matters efficiently and always pay attention to detail.”
THE LEGAL 500, 2026
“KDK’s team is hands-on, responsive and highly skilled in managing the legal, technical, commercial and regulatory dimensions.”
CHAMBERS EUROPE, 2026
“They approach each case with thorough research, strategic planning and attention to detail, which has been invaluable in effectively managing complicated cases and achieving favourable outcomes.”
CHAMBERS EUROPE, 2026
“The KDK team performs assigned tasks with exceptional quality and integrity, is proactive in complex legal matters, and stands out for its excellent communication. The KDK team's recognition of real estate matters is of great importance to us as foreign clients. We had a pleasant experience at all stages of interaction with this team.”
THE LEGAL 500, 2025
“What makes this practice unique is their combination of legal expertise with a practical, business-minded approach. They are responsive, collaborative, and understand the dynamics of the organizations they support. Compared to other firms, they stand out with their client-centric mindset, and openness to flexible, solution-driven ways of working. Their consistent professionalism also.”
THE LEGAL 500, 2026
“The individuals (Burcu, Selin and Maral) I work with stand out for their professionalism, responsiveness, and ability to provide clear, business-oriented legal advice. What sets them apart is their genuine collaboration and understanding of client needs.”
THE LEGAL 500, 2026
“The lawyers with whom I have had the opportunity to collaborate are all professionals with in-depth regulatory knowledge and have always been able to customise and interpret the needs of our company in the best possible way.”
CHAMBERS EUROPE, 2026
“It is very experienced in employment matters which require market practice and experience of real-life relationships between employers and employees. They consult their clients from a wide perspective by using all legal solutions.”
THE LEGAL 500, 2024
“What makes them stand out is not just their knowledge of regulations, both local and international, but the way they adapt this knowledge to each client’s real-life challenges. They don’t overwhelm you with theory; instead, they give clear and workable solutions that can actually be implemented within a company.”
THE LEGAL 500, 2026
“What sets this team apart is their ability to understand client needs and provide strategic solutions. They excel in flexibility and results-driven approaches.”
THE LEGAL 500, 2025
“People are well educated with a lot of experience. Collaboration is high level.”
THE LEGAL 500, 2025
“They keep us informed about updates regarding the law and provide constant support when necessary.”
THE LEGAL 500, 2024
“The team stood out for their ability to balance deep technical expertise with pragmatic, solution-oriented thinking. Unlike many firms that can be rigid or slow to adapt, they approached our work with creativity, speed, and an unusually collaborative mindset. They understood our unique cross-border regulatory and operational challenges and consistently translated complex issues into clear, actionable paths forward.”
THE LEGAL 500, 2026
“What differentiated them from others was a combination of breadth and flexibility: they brought together specialists across regulatory, corporate, and fintech domains, and worked as a genuinely integrated unit rather than siloed advisors. Their willingness to iterate on structures, test scenarios, and proactively identify risks gave us confidence we weren’t just checking boxes, we were building something sustainable.”
THE LEGAL 500, 2026
“The team’s unique approach lies in its exceptional blend of technical expertise, a practical understanding of cross-border regulatory frameworks, and a client-centric approach that ensures seamless execution of high-value transactions.”
THE LEGAL 500, 2025
“Their diverse experience and comparative knowledge, problem-solving skills, timely and detailed reporting on transaction and communication skills with their clients make a huge difference.”
THE LEGAL 500, 2025
“The team stands out for its speed, depth, and truly solution-oriented approach.”
THE LEGAL 500, 2026
“They provide accurate and insightful legal advice.”
THE LEGAL 500, 2025
“Clearly one of the top corporate law firms in Türkiye. They are quick to respond and very commercial in their advice.”
THE LEGAL 500, 2026
“The team members have expertise and knowledge in corporate governance and related matters in Turkey. Their expert analysis and advice are their greatest strength and are key to our organisation.”
THE LEGAL 500, 2026
“Kolcuoğlu Demirkan Koçaklı takes ownership and operates more like an internal counsel than an external adviser.”
CHAMBERS GLOBAL, 2026
“The firm's responsiveness and pragmatic approach to negotiations distinguish it from peers.”
CHAMBERS GLOBAL, 2026
“They have a strong commercial sense besides their legal expertise. The team are able to find flexible solutions.”
CHAMBERS GLOBAL, 2026
“The team offers responsiveness and good communication. The lawyers are respectful of clients' deadlines and provide a good quality of work with a solution-focused mindset.”
CHAMBERS GLOBAL, 2025
“What makes this practice unique is its ability to combine deep sector-specific expertise with a highly collaborative, solutions-oriented mindset. The team stands out for its responsiveness, strategic clarity, and consistent ability to translate complex legal issues into actionable business advice.”
THE LEGAL 500, 2026
“The department demonstrates great proficiency in handling complex, cross-jurisdictional matters, particularly those involving both Turkish and international legal frameworks.”
CHAMBERS GLOBAL, 2026
“On top of being very skilled from a legal standpoint, KDK know how to explain the specificities of the Turkish legal system to clients. Moreover, they are very solution-oriented.”
CHAMBERS GLOBAL, 2026
“Kolcuoğlu Demirkan Koçaklı has a very dedicated disputes team for a very long time which makes a huge difference as they have built it over many years. They are not only very experienced in litigation but also in arbitration. The team (including the partners and associates) are very dedicated and hard working players. They have endless energy to litigate the cases, research and achieve success.”
THE LEGAL 500, 2025
“The KDK team blends experience, expertise, and enthusiasm seamlessly. Senior and junior members collaborate in perfect harmony.”
THE LEGAL 500, 2025
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