Doğan Coşgun leads the dispute resolution team at ASC Law Office, a group praised for its ‘problem solving mindset’ and that is highly skilled in complex arbitration matters. The team acts for a variety of multinational corporations, banks, and financial institutions, and is well-regarded in the banking and finance, energy, and retail sectors. Notable practitioners in the team include the ‘knowledgeable’ Kemal Tağa, seasoned litigator Çağla Şahin Aksu who is experienced in debt collection and enforcement, and Cem Keser.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- Very knowledgeable, very good connections to relevant experts, and very focused on every detail.
- The team is distinguished by its strong expertise, clear communication, and solution-oriented approach. They are highly responsive, reliable, and provide practical guidance tailored to our business needs. Compared to other firms, they offer more consistent follow-up and partner-level attention. The practice also stands out for its transparent billing, collaborative working style, and effective use of technology.
- The team is very focused, knows every detail, and is ready for all the meetings we have.
- Kemal Taga is highly knowledgeable, responsive, and provides clear, practical legal advice. He is collaborative, trusted, and consistently delivers results.
- ‘The firm has a committed team that closely follows litigation processes and remains attentive at every stage. With a problem solving mindset, the team provides its clients with practical and effective solutions.’
- ‘Every team member stands out for their meticulous work and proactive approach. They are always attentive and easy to work with, which we truly appreciate.’
- ‘The team is knowledgeable. It enlightens you about all the aspects of the case, whether favorable or unfavorable.’
- ‘Kemal Taga was the leading partner. He is knowledgeable and he enlightens you about all the aspects of the case, whether favorable or unfavorable.'
Key clients
- İGA Havalimanı İşletmesi A.Ş.1
- Kalyon Yatırım Holding A.Ş.
- BeIN Group (Digiturk) (French)
- Kale Kilit ve Kalıp Sanayi A.Ş.
- Faber-Castell Aktiengesellschaft (German)
- Akenerji Elektrik Üretim A.Ş.
- Turcas Petrol A.Ş.
- IBS Sigorta ve Reasürans Brokerliği A.Ş.
- Bahçıvan Gıda Sanayi ve Ticaret A.Ş.
- Atalian Global Services (French)
- QNB BankA.Ş.
- Adel Kalemcilik Ticaret ve Sanayi A.Ş.
- Nev Alışveriş Merkezleri Yatırımları A.Ş.
- Çelik Motor Ticaret A.Ş.
- Gaz Depo ve Madencilik A.Ş.
- Toren Doğalgaz Depolama ve Madencilik A.Ş.
- Er – Bakır Elektronik Bakır Mamulleri A.Ş.
- Mr. Migirdic Boyacıoğlu
- Osmanlı Yatırım Menkul Değerler A.Ş.
- Ankara Özel Yüzüncü Yıl Sağlık İşletmeleri A.Ş.
Work highlights
Represented Esea Sağlık ve Yatırım A.Ş. in a shareholding dispute amounting to more than US$100m, regarding the main company which comprises a large hospitals in Izmir, as well as other hospitals and immovable properties in Gaziantep and Batman in Turkey.
Defending two Turkish contractors, Gaz Depo Doğalgaz and Toren Doğalgaz in a €25 million dispute with the lead contractor of a major Turkish energy project.
Representing Er-Bakır Electrolytic Copper Products in a lawsuit against Fibabanka, client in a lawsuit, seeking recovery of approximately TL 35m.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Doğan Coşgun; Cem Keser; Kemal Tağa; Çağla Şahin Aksu