

ASC Law Office
Client SatisfactionASC Law Office ‘not only provides distinguished services but also practical and efficient solutions in most complex matters’. Financial and corporate restructuring are key strengths of the firm’s multi-disciplinary practice, which includes strategic litigation expertise. Head of debt structuring Okan Beygo, and key finance specialists Levent Yetkil and Fulya Sert Topçu are the main contacts. The firm acts for prominent multi-national corporations, banks, and financial institutions across deals in key sectors such as infrastructure, energy, telecoms, and real estate.
Testimonials
Collated independently by Legal 500 research team.
‘ASC Law Office has comprehensive experience in different fields and with its team consisting of well-educated, very competent and cooperative members, it has been providing services to our company on different aspects of law including restructuring and insolvency. ASC Law Office, with its highly skilled team, not only provides distinguished services but also provides practical and efficient solutions in most complex law matters.’
‘Mr. Levent Yetkil is an outstanding and distinguished senior partner, who provides constructive, effective and prompt services. Mr. Yetkil and his team have deep knowledge of restructuring practices and they are highly competent and qualified counsels. We are confident to recommend them both not only for their efficient and prompt services but also for their strong business vision and solution-oriented approach.’
‘ASC distinguishes itself through its prompt, responsive, and highly accessible services, delivering tailored solutions that align seamlessly with clients' commercial objectives. Our extensive experience attests to ASC’s unparalleled expertise in restructuring and insolvency and other key sectors within Turkey. The firm’s core strength lies in its specialised banking and finance team, which offers unique insights and innovative solutions. The team consistently excels in addressing complex legal challenges and adapting to the evolving legal landscape.’
‘Working with ASC has been a privilege, especially with partners Mr. Levent Yetkil and Ms. Fulya Sert Topçu. They distinguish themselves through their deep expertise, swift responsiveness, outstanding negotiation and drafting skills, and their commitment to providing efficient, business-focused advice.’
‘ASC Law's restructuring and insolvency department excels in complex financial restructurings, demonstrated in one transaction where they facilitated refinancing, mediated between parties, and avoided defaults with lenders. Their expertise in Turkish insolvency regulations, loan agreements, and managing conditions precedent enables them to handle high-stakes negotiations under tight deadlines. ASC Law’s innovative risk mitigation and client-focused solutions make them a leading firm in the Turkish market.’
‘The individuals in ASC Law's restructuring and insolvency department stand out for their deep expertise, client-focused approach, and ability to manage complex financial transactions. Levent Yetkil, a key partner, is highly respected for his strategic insight and extensive knowledge of Turkish insolvency regulations, making him instrumental in navigating multi-party negotiations and high-stakes financial restructurings. Fulya Sert Topçu is equally valued for her meticulous attention to detail and hands-on approach, ensuring that the execution of financial provisions and conditions precedent is seamless. Both Levent and Fulya bring a collaborative, solutions-driven mindset, making them essential to ASC Law’s success and setting them apart from competitors in the market.'
‘Very good team energy, working in harmony and cooperation. Subsisting of experienced lawyers with legal and commercial knowledge. Strong foreign ties that help for prominent multinational deals.’
‘Exclusive partner involvement is one of the strongest features of ASC. They have the capability to understand and solve the issue in a practical and client-friendly way. Okan Beygo, Levent Yetkil, and Fulya Sert Topçu are always a pleasure to work with as partners.’
Key clients
- Türkiye Sınai Kalkınma Bankası A.Ş.
- Yapı ve Kredi Bankası A.Ş.
- Türkiye Garanti Bankası A.Ş.
- Aslancık Elektrik Üretim A.Ş.
- Türkiye Halk Bankası A.Ş.
- T.C. Ziraat Bankası A.Ş.
- Türkiye İş Bankası A.Ş.
Work highlights
- Served as lead counsel, providing advisory services to a private Turkish bank, the facility and security agent, and a consortium of eleven other Turkish banks and one foreign bank in the debt restructuring for one of Türkiye’s largest conglomerates, and its group of companies.
- Acted as legal counsel for a group of affiliated companies controlled by one of the largest conglomerates in Türkiye in a significant debt restructuring due to a partial spin-off.
- Provided extensive legal services to both Borrowers and Sponsors in a significant acquisition and refinancing deal.
Lawyers

Practice head
The lawyer(s) leading their teams.
Okan Beygo, Levent Yetkil, Fulya Sert Topçu