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We are once again ranked among Turkey’s top-tier law firms in the Chambers and Partners Global Guide 2026.

We are pleased to announce the promotion of Ezgi Hamamcı, Aslı Fanus Kalmaz and Duygu Yurtal to Senior Associates.

Our Competition Law team has been recommended in the Global Competition Review (GCR) 100 2026, the premier guide to leading competition law practices worldwide.

We congratulate our team on this achievement and thank our clients for their trust.

We are pleased to share that Lexology and Global Arbitration Review (GAR) have recognized Cihan Mercan as a Future Leader in arbitration in Turkey.
Recent Bulletins & Publications
Current Issues in Turnover-Based Rents: Rent Determination and Adjustment
Key Amendments to the Turkish Merger Control Regime
Recent Bulletins & Publications
Turkish Competition Authority Publishes 2025 Merger and Acquisition Overview Report
Current Issues Related to Turnover-Based Rents
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“The firm’s unparalleled ability to navigate intricate financial structures while ensuring strict compliance with local and international regulatory standards is very impressive. I was impressed by their attention to detail, the time of reply and ability to handle multi-jurisdictional matters, offering both legal precision and commercial insight that few firms can match.”
THE LEGAL 500, 2025
“Kolcuoğlu Demirkan Koçaklı is a very supportive team and provided legal consultancy services in a professional manner for our project.”
THE LEGAL 500, 2024
“They are knowledgeable, efficient and very responsive.”
THE IFLR1000, 2023
“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
"Its team offers an innovative approach to complex matters. There is an unwavering commitment to the client as the team is highly dedicated and hard-working."
CHAMBERS GLOBAL, 2024
“[…] both partners and associates are quite reachable and well engaged with our problems. They are aware of the needs of their clients, and they are focused on getting the satisfactory conclusions with the realistic point of view. They laid-out the process at the beginning with clear timeframes and we kept informed by them in every step of the way in a very plane and understandable language.”
THE LEGAL 500, 2023
“Kolcuoğlu Demirkan Koçaklı are extremely responsive and their advice is thoughtful, focused and commercial.”
CHAMBERS EUROPE, 2025
“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
“KDK is knowledgeable in the energy sector, and impressively capable of finding out the answers to new questions as well as suggesting practical solutions.”
THE LEGAL 500, 2024
“They are real experts in oil & gas. They are also fully aware of the market dynamics. They always know what is going on in the energy market, not just the Turkish market but the region as a whole.”
THE LEGAL 500, 2024
“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
“Compared to other firms, Kolcuoğlu Demirkan Koçaklı distinguishes itself in the compliance practice through its industry-specific knowledge and a highly collaborative approach.”
THE LEGAL 500, 2025
“Kolcuoğlu Demirkan Koçaklı is one of the pioneer firms in the areas of compliance. The team has dedicated professionals who possess an in-depth understanding of the ever-evolving legal requirements and ethical standards in matters related to ethics and compliance, including internal investigations, regulatory inquiries, and enforcement actions.”
THE LEGAL 500, 2024
“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, 2025
“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
“Kolcuoğlu Demirkan Koçaklı's lawyers have a very good commercial way of thinking.”
CHAMBERS EUROPE, 2024
“The team is very knowledgeable regarding real estate transactions. Lawyers gave not only a legal service, but also some commercial hints that were very valuable while negotiating with our counterpart.”
THE LEGAL 500, 2024
“What differentiates them from competitors is their unwavering client focus thinking and following up the updated regulations continuously.”
THE LEGAL 500, 2025
“The team is so responsive and clear with clients on their employment law obligations in Turkey and provides practical guidance on how to navigate any situations that arise there.”
THE LEGAL 500, 2025
“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
“We have been working with KDK for more than ten years now. They are more than lawyers, they are friends, maybe even more: partners. They are always here when we need them, always with positive energy and enthusiasm, always motivated. I cannot compare them to any other law firm.”
THE LEGAL 500, 2023
“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
“We think potential clients would wish to know that Kolcuoglu Demirkan Kocakli is a law firm that fulfils the interest and concerns of your company. As a client, we can get quick, proper and right guidance.”
THE LEGAL 500, 2023
“KDK’s Competition Law practice stands out for its combination of deep legal expertise, strategic commercial insight, and a highly responsive, client-focused approach.”
THE LEGAL 500, 2025
“Team members of the Kolcuoglu Demirkan Kocakli Law Firm are reachable and well-engaged with our problems. They are aware of the needs of their clients, and they are focused on getting satisfactory conclusions with a realistic point of view.”
THE LEGAL 500, 2025
“As our legal advisor on many topics especially for Competition Law we are glad to state that when it comes to client satisfaction, Kolcuoglu Demirkan Kocakli Law Firm is highly on point in terms of prompt, effective and competent service.”
THE LEGAL 500, 2025
“The team is excellent in various antitrust issues and result-oriented. Kolcuoğlu’s main strength is the quality of its people.”
THE LEGAL 500, 2024
“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
“Working with KDK in a transaction is a great comfort. I always feel like the team is the most important supporter throughout the process. If KDK is on our side, I never worry about the quality/timing of anything since it also becomes “the owner” of the process.”
THE LEGAL 500, 2024
“They provide accurate and insightful legal advice.”
THE LEGAL 500, 2025
“Kolcuoğlu Demirkan Koçaklı's team is pragmatic, responsive and detail-oriented.”
CHAMBERS EUROPE, 2024
“All members are very responsive with high collaboration level. Whenever we need consultancy on a specific subject, we receive high quality feedback in a very short time.”
THE LEGAL 500, 2023
“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
“Very diligent and commercially minded team.”
THE LEGAL 500, 2025
“The firm has a very business-oriented and analytical approach, with a deep knowledge of legal matters.”
CHAMBERS GLOBAL, 2024
“Kolcuoglu Demirkan Kocakli is professional and dedicated to their work. They are consistent in their approach, ensuring that open lines of communication throughout our collaboration is maintained.”
THE LEGAL 500, 2024
“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 firm has a wonderfully capable team which is able to provide the high-quality legal services you would expect from a top-notch law firm.”
CHAMBERS GLOBAL, 2025
“The KDK team blends experience, expertise, and enthusiasm seamlessly. Senior and junior members collaborate in perfect harmony.”
THE LEGAL 500, 2025
“Their dedication, thoroughness, and attention to detail have been instrumental in navigating the complexities of our legal matters. Their ability to provide clear guidance, anticipate potential challenges, and ensure that we are fully protected has been invaluable. The level of professionalism and expertise they have consistently demonstrated is truly commendable.”
THE LEGAL 500, 2025
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