Maintaining a reputation for infrastructure deals, the ‘results-driven and collaborative’ team at Ergün Avukatlik Bürosu assists lenders, borrowers and sponsors with PPP, energy, healthcare and transportation projects. With ’legal precision and business agility’, Çağdaş Evrim Ergün has a strong track record among sponsors and lenders, bringing expert knowledge in major projects. Praised by clients for ‘outstanding analytical skills and attention to detail’, Burcu Baltacıoğlu assists with the development and financing of major projects. Lara Sezerler brings a wealth of knowledge across capital markets work, notably handling public offerings and bond transactions. In January 2025, the firm was strengthened by the arrival of Gökhan Okan from Çakmak Attorney Partnership.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge

Testimonials

Collated independently by Legal 500 research team.

  • ‘What we appreciate about Ergun Law Firm is their strong expertise in structuring and negotiating project finance and banking transactions. Their team consistently demonstrates a comprehensive grasp of financing agreements and terms, and delivers clear and practical advice that enables us to manage loan agreements, security packages and regulatory requirements effectively. Their client-oriented approach, combining technical precision with proactive problem-solving, ensures that all financing matters are handled with accuracy and professionalism. This has given us great confidence that our financial interests are protected throughout complex financing processes. Additionally, their extensive experience in advising on financing transactions adds significant value to our projects and contributes meaningfully to our broader business objectives.'
  • ‘Ergün's team combines deep technical expertise with strong commercial awareness, offering practical, solutions-driven advice that aligns well with the realities of the banking sector. What sets them apart is their responsiveness, collaborative approach, and ability to handle cross-disciplinary issues seamlessly. They communicate clearly, manage timelines effectively, and integrate well with both in-house teams and external stakeholders. Compared to other firms, Ergün demonstrates superior market knowledge, adaptability, and a more client-focused mindset. Their use of technology for document management and communication added real value, and we appreciated the inclusive, professional team dynamic. Overall, Ergün is a standout advisor in banking finance, and I would confidently recommend them to others seeking high-quality legal support in this area.’
  • ‘The individuals we worked with at Ergün stood out for their professionalism, responsiveness, and deep understanding of both legal and commercial aspects of project finance. They were consistently proactive, clear in their communication, and solution-oriented—qualities that made each of them trusted advisors throughout the transaction. Burcu Baltacıoğlu, in particular, brought exceptional leadership and strategic insight, balancing legal precision with a pragmatic approach. She stood out for her strategic thinking during negotiations. Her ability to distil complex legal issues into actionable advice was invaluable in helping us make timely, informed decisions. Irmak Yensel Nergiz brought clarity and attention to detail, especially in structuring finance and security documents and aligning them with regulatory requirements, her expertise gave us real confidence. Öykü Su Karahan also deserves recognition for her attention to detail, responsiveness, and ability to manage complex documentation efficiently under pressure. Compared to competitors, the team showed stronger alignment with client priorities, a greater sense of ownership, and a collaborative working style that made a real difference. We valued their commitment, clarity, and reliability at every stage.’
  • ‘Tuğba Aksoy Bozkurt and Burcu Baltacıoğlu form an exceptional team which provides clear and practical legal advice. Tuğba Aksoy Bozkurt excels in guiding complex financing transactions, coordinating all parties effectively, and providing solution-oriented advice. Her strong negotiation skills and ability to identify and mitigate risks at an early stage ensure that deals progress smoothly and efficiently. Burcu Baltacıoğlu complements this with her outstanding analytical skills and attention to detail, ensuring every aspect of a transaction is thoroughly reviewed and compliant. She anticipates potential issues and offers proactive, practical solutions, making clients feel fully supported throughout the process.’

Key clients

  • UBS AG
  • Akfen Holding A.Ş., Akfen Yenilenebilir Enerji A.Ş. and 45 of Akfen Yenilenebilir’s subsidiaries
  • Nakkaş Otoyol ve Yatırım İşletme Anonim Şirketi (held by Rönesans Holding A.Ş. and Samsung C&T Corporation and other Korean Sponsors)
  • RNS PPP Altyapı Ticaret A.Ş. (owned by Rönesans Holding A.Ş.)
  • HSBC Bank Middle East Limited, HSBC Continental Europe S.A. Germany
  • J.P. Morgan
  • Dumlupınar Sağlık Hizmetleri A.Ş., Güriş Holding A.Ş, Güriş İnşaat ve Mühendislik A.Ş.
  • Akbank T.A.Ş.
  • Fernas Otoyol İşletmesi Anonim Şirketi, Fernas İnşaat Anonim Şirketi
  • Türkiye İş Bankası A.Ş.
  • Türkiye Sınai Kalkınma Bankası A.Ş.
  • Türkiye Kalkınma ve Yatırım Bankası A.Ş.

Work highlights

Advised on a EUR 508,349,074 and GBP 230,000,000 multi-sourced financing for the conversion of Shotton Mill Limited into a leading, best-in-class containerboard and tissue paper manufacturer, comprised of ECA facilities supported by Finnvera plc, SERV Schweizerische Exportrisikoversicherung and UK Export Finance and commercial facilities.
Represented Rönesans Holding and Samsung (Sponsors) in relation to the development and financing of Nakkaş-Başakşehir, BOT Model Motorway Project.
Represented J.P. Morgan as the initial purchaser in relation to the issuance of secured amortising bonds, financing the BOT model Sarıyer-Kilyos Tunnel Project in Türkiye.
Practice head

Çağdaş Evrim Ergün; Burcu Baltacıoğlu; Gökhan Okan; Lara Sezerler

Other key lawyers

Pelin Ecevit; Öykü Su Karahan; Tuğba Aksoy Bozkurt; Irmak Yensel Nergiz