Baran Bas leads the team at competition boutique Bas | Kaymaz Law Firm with considerable expertise in merger control and compliance work, and is supported by Ardan Kaymaz.

Former practice head at Erdem & Erdem Law Office, Mert Karamustafaoğlu, joined GLED Partners in February 2025, significantly bolstering the firm’s competition capabilities.

Competition law expert Sinan Diniz joined KST Law / Kinstellar Istanbul in December 2024 from Esin Attorney Partnership, Member Firm of Baker & McKenzie International, a Swiss Verein, launching the firm’s competition practice.

Praised as a ‘highly skilled and agile team delivering surgical and pragmatic advice‘, ACTECON is proficient in all aspects of competition law. Advising across a broad range of sectors, the group is particularly sought after by both local and international clients for its expertise in competition rules, international trade and regulation. Co-leading the practice, Bahadir Balki has ‘great strategic judgment‘ in a wide range of competition issues, especially in cartel and abuse of dominance investigations launched by the Turkish Competition Authority, and Fevzi Toksoy is a reputed practitioner in matters involving investigations, merger filings and regulatory reviews. Ertuğrul Can Canbolat, Can Sarıçiçek and Mustafa Ayna are also key contacts for competition mandates.

Balcioglu Selçuk Eymirlioglu Ardiyok Keki Attorney Partnership is a ‘pioneer‘ in competition law and a go-to adviser for international clients. Drawing on its strength as a full-service firm, the group provides comprehensive advice across the full range of competition matters, with particular expertise in investigations, merger control proceedings and compliance. Leading the group, Şahin Ardıyok has extensive experience with competition investigations, merger filings, government affairs and compliance programmes. Competition specialist Barış Yüksel and the ‘invaluable‘ Bora İkiler are both key contacts for investigations before the Turkish Competition Authority, and Zeynep Şengören Özcan is another standout competition practitioner.

Led by the ‘extremely knowledgeable and sharp’ competition law veteran Gönenç Gürkaynak, the group at ELIG Gürkaynak Attorneys-at-Law distinguishes itself on the market through its ‘exceptional blend of professionalism, responsiveness and deep legal expertise’. The team is exceptionally well-placed to advise on merger control issues and investigations before the Turkish Competition Authority. The group includes Korhan Yıldırım, who advises on issues such as cartel agreements and abuse of dominance claims, Öznur Inanılır, who is experienced in compliance, investigations and merger controls, and Harun Gündüz, who is praised as a ‘very knowledgeable competition lawyer’. Other key lawyers for competition law mandates are Onur Özgümüş, Eda Duru, Ebru İnce, Kağan Uçar, and Dilara Yeşilyaprak.

Praised for its ‘highly sophisticated and dedicated competition lawyers‘, CoPartners is a boutique firm specialising in competition law and regulated industries, and is uniquely well placed to advise international clients. The group advises on the full range of complex competition mandates, including merger control and foreign direct investments, investigations, compliance, counselling and competition litigation. Co-leading the group, Sezin Elçin is a ‘top-notch expert on Turkish competition law‘ with particular expertise in multijurisdictional merger filings, and Emre Önal is also a merger control expert as well as a seasoned litigator. The group also includes Safa Uygur and Beyza Timur, who advises both multinational and domestic clients across a wide range of industries.

Known for its expertise in complex merger control cases, Esin Attorney Partnership, Member Firm of Baker & McKenzie International, a Swiss Verein advises on the full range of competition matters across multiple sectors, and has notable capabilities in investigations and compliance. The practice is overseen by Hakan Özgökçen, whose extensive competition law experience includes abuse of dominance investigations, merger notifications, phase 2 reviews, cartel investigations and competition litigation. Other key lawyers include Esen Ergül and Cem Buran, who are both seasoned competition practitioners in multiple sectors, particularly in investigations and merger control filings.

With ‘strong technical knowledge‘, Kolcuoglu Demirkan Koçakli provides expert advice on multijurisdictional merger transactions and investigations before the Turkish Competition Authority. Acting for major clients across a broad range of regulated industries, the group also has considerable experience handling competition law audits. ‘Precise, strategic and exceptionally responsive‘ practice head Neyzar Ünübol is a seasoned practitioner in competition matters such as cartel and abuse of dominance investigations and merger control filings, and also excels in advice relating to compliance programmes. Another key lawyer is Esen Çakır, who specialises in competition, M&A and corporate law.

Acting for a diverse and multinational client base across a range of regulated industries, Paksoy has ‘expert-level knowledge about competition law, authorities and processes‘ and is a go-to advisor on competition elements of cross-border transactions. The group has considerable capabilities in both transactions and complex investigations, and can also leverage its experienced compliance, regulatory and litigation departments to provide a comprehensive service to clients. Practice head Togan Turan is a trusted advisor to international clients on merger control filings, and also has extensive experience appearing before the Turkish Competition Authority. Gülçin Dere, Gamze Boran and Deniz Benli Kandiyoti are also notable competition lawyers.

Advising across a broad range of sectors, boutique firm ARI Attorneys at Law has a team of highly specialised competition lawyers who assist on all aspects of clients’ dealings with the Turkish Competition Authority. Praised for its ability to combine ‘deep market insight with exceptional legal acumen‘, the group is also an excellent choice for competition training, mock audits and compliance programmes. Leading the practice with ‘exceptional professionalism, integrity and a clear vision‘, competition expert Haluk Arı advises on the full range of competition mandates. Other key practitioners include Benan Arı, who specialises in conducting compliance programmes, and competition specialist Gözde Süngü.

The competition team at Erdem & Erdem Law Office is praised as ‘fast, practical and very client-oriented‘. The group has extensive experience in competition law mandates, including investigations, abuse of dominance proceedings, merger controls and compliance programmes, and is especially well-placed to advise on cross-border issues. A key advisor in sectors such as banking, energy, telecoms, automotives, construction and healthcare, practice head Ercüment Erdem assists both domestic and foreign clients on the full scope of competition matters, both in Turkey and in Europe. Mert Karamustafaoğlu left the group and joined GLED Partners in February 2025.

Gen Temizer Erdogan Girgin Attorney Partnership is described by clients as ‘constantly developing and keeping up with global innovations‘, and is a particularly strong group handling competition aspects of cross-border transactions. The team is well-versed in advising on investigations by the Turkish Competition Authority, competition-related litigation, and in developing competition compliance programmes for clients. Practice head and competition law expert Bulut Girgin is ‘a pleasure and force to work with‘, and regularly represents both domestic and multinational companies before the TCA in cartel and abuse of dominance investigations, and also has considerable experience in merger control filings.

The ‘extremely knowledgeable and experienced team‘ at Hergüner Bilgen Üçer Attorney Partnership advises on both advisory and litigation aspects of competition law in a wide range of sectors, with expertise in issues such as investigations, merger control filings, negative clearances and individual exemption applications. The group also designs competition compliance programmes and builds contract strategies to minimise competition risks for clients. Key lawyers in the team include corporate governance expert Kayra Üçer, who has considerable experience with competition aspects of M&A matters, the ‘excellent competition lawyer‘ Hazar Başar, and Neşe Nur Yazgan, who has extensive knowledge of exemption cases and investigations.

NAZALI Attorney Partnership assists both national and international clients on all aspects of their dealings with the Turkish Competition Authority. Praised for its ‘exceptional regulatory insight, strong practical problem-solving skills and deep understanding of both authority practice and private sector needs,’ the group is especially proficient in competition compliance programmes, and in sectors such as pharma, cosmetics, food and beverage, e-commerce, tech and energy. The practice is co-headed by the ‘knowledgeable and solution-oriented‘ Metin Pektaş and Derviş Boran Beysülen, who both have extensive experience with competition mandates.

With a particular focus on the financial services, transportation and consumer goods sectors, Özdirekcan Dündar Senocak Ak in partnership with Gide Loyrette Nouel is experienced in a broad range of competition matters, including merger controls, investigation processes, vertical agreements, cartel enforcement actions and compliance counselling. The team is led by Arpat Şenocak, who advises Turkish and international investors on competition aspects of corporate and M&A work. He is supported by competition specialist İklim Gülsün Aytekin, whose ‘capabilities and skills are exceptional‘.

ZESA Attorney Partnership advises on competition matters across a broad range of sectors, including consumer goods, pharma, consumer care, banking, energy and transport, and the group’s expertise encompasses investigations before the Turkish Competition Authority, M&A notifications and compliance programmes. The group is overseen by Efser Zeynep Ergün, who specialises in commercial and M&A transactions relating to competition law, and is also experienced in investigations, and Sibel Yilmaz Atik, who focuses on competition, M&A, joint ventures, corporate and commercial and cartel investigations.

CD Law is a seasoned competition boutique led by Cihan Dogan, who has extensive experience advising on all aspects of competition law, including leniency applications and Phase II investigations. The group also has considerable capabilities in matters relating to investigations, merger control filings, individual exemption applications, and compliance programs, and is well-placed to advise international clients.

Co-led by Begüm Yavuzdoğan Okumuş and Özge Atılgan Karakulak, Gün + Partners advises on all aspects of competition law, in particular on issues such as cartels and anticompetitive behaviour, M&A, abuse of dominance issues and distribution and tech transfer practices. The group is uniquely knowledgeable in the life sciences sector, and is highly sought after by clients in the pharma and medical devices industries for advice on regulatory compliance and competition concerns.

Günay Erdogan Attorneys At Law ‘has exceptional command of both domestic and EU competition regulations‘ and is especially well-versed in the tech, energy, retail, manufacturing and digital markets sectors. The group is well-equipped to advise on cross-border mandates, and is particularly knowledgeable in issues involving merger control, abuse of dominance investigations, cartel defence and compliance advisory. Co-leading the group, compliance and tech expert Çiğdem Gizem Okkaoğlu ‘combines strong technical knowledge with a talent for making highly complex legal concepts accessible to clients‘, and Yavuz Selim Günay specialises in the tech sector.

With extensive experience in the regulated sectors, the competition group at Moroglu Arseven is known for combining ‘strong technical expertise with a practical approach’. The team advises both domestic and foreign clients on the full range of competition matters, with particular strength in preliminary and full-fledged investigations, as well as in providing competition law advisory services to clients, such as tailored compliance programmes. The practice is overseen by E. Seyfi Moroglu, who is an expert in cross-border competition matters, and Umay Rona Süerdem, who advises on all aspects of regulatory procedures and enforcement actions. Burcu Tuzcu Ersin left the group in February 2025.

The group at SRP-Legal has ‘top expertise‘ in competition matters, and regularly advises clients on issues such as compliance projects, competition training, investigations, M&A transactions and dispute resolution. Described as a ‘pioneer and leading individual in her field‘, practice head Cigdem Ayozger Ongun is a highly experienced competition lawyer who is reputed for her expertise in tech-related matters, including IT and telecoms. Hansa Hersek is also a key contact for competition, data protection and compliance work.

With strong capabilities in the software, tech and medical devices industries, TURUNÇ is a trusted advisor to both domestic and multinational clients on merger clearance analyses, as well as in compliance advice relating to corporate and M&A transactions. The group also provides competition advisory support to retainer clients, with a particular focus on preventative competition law services. The group is co-led by Esin Çamlıbel and Noyan Turunç.