Firm / Organisation

ASC Law Office

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Managing Partner: Dogan Cosgun
Senior Partners: Okan Beygo, Murat Aksu, Zeki Caliskan
Number of partners: 8
Number of lawyers: 50+
Languages: English, French, German, Turkish

Firm Overview: ASC Law (Aksu Çalışkan Beygo Attorney Partnership) has been serving the domestic and international clients since 2001 at its office located in Levent, Istanbul, the financial centre of Turkey. ASC has three main departments: litigation, consultancy and debt collection which bring together more than 50 lawyers and 170 employees in total. ASC provides world-class services to a broad range of the world’s preeminent financial institutions, corporations and other enterprises, being at the forefront of the Turkish market, particularly in the areas of banking and finance, corporate law, project finance, public offerings, dispute resolution, energy and natural resources, real estate, construction and telecommunications. The wide array of practice areas of ASC cover:
■ Banking & Finance
■ Debt Structuring
■ Derivative Transactions
■ Aviation Finance
■ Acquisition Finance
■ Project Finance & Infrastructure Investments
■ Mergers & Acquisitions
■ Corporate Law
■ Capital Markets
■ Energy & Natural Resources
■ Construction Law
■ Real Estate & Lease Law
■ ICT/Telecommunications
■ Tax
■ Labour Law
■ Transportation Law
■ Administration Law
■ Expropriation Law
■ Dispute Resolution
■ Debt Collection

Main Areas Of Practice:
Corporate Finance & Capital Markets:
ASC has significant experience in capital markets transactions, regulations, structuring of derivative transactions and preparation of documentation, advising and assisting the leading international and domestic banks, corporations and intermediary institutions. ASC has carried out one of the largest IPOs of the recent years. It has been participating in due diligence processes of reputable companies and advising several banks on derivative contracts.
Contact Name: Okan Beygo
Tel: +90 212 284 98 82
Email: [email protected]

Banking & Finance:
ASC has broad experience in all the banking and finance transactions of international and domestic banks and other financial institutions. This experience enables ASC to advise both lenders and borrowers in relation to debt structuring, financial restructuring, syndicated loans, derivative transactions and acquisition finance. ASC has recently participated in several debt restructuring projects worth well over 1 billion USD for FMCG, transportation and energy companies. ASC has also assisted finance institutions for subordinated loans and investment loans.
Contact Name: Denel Balci Kirali
Tel: +90 212 284 98 82
Email: [email protected]

ASC provides a wide range of corporate law consultancy services including special transactions of all types of companies and joint ventures such as the establishment of branches and liaison offices, preparation of authorisation documents with articles of association and board of directors’ resolutions, and arrangement of general assemblies and capital increasedecrease. In addition, ASC provides legal services for daily operations such as negotiation of commercial agreements, particularly including distributorship, manufacturing, marketing, purchase and sale, license, supply, franchise, transportation, service, construction and administration agreements. ASC has extensive experience in conducting detailed legal due diligence, preparing, examining and negotiating share/asset purchase-sale agreements and shareholders agreements, along with additional commercial, financial and operational documents necessitated by the transaction, as well as assistance after closing. ASC has recently participated in M&A projects in health, retail and energy and currently assists companies from various industries for corporate law transactions.
Contact Name: Dogan Cosgun
Tel: +90 212 284 98 82
Email: [email protected]

Litigation & Arbitration:
ASC provides litigation services both on a standalone basis and as complementary to consultancy and debt collection services. ASC has significant experience in litigation with regards to Private and Public Laws; such as Labour Law, Commercial Law, Real Estate Law, and Expropriation Law. ASC has extensive knowledge and experience in national and international arbitration proceedings and has represented telecom and construction companies in international arbitration proceedings.
Contact Name: Dogan Cosgun
Tel: +90 212 284 98 82
Email: [email protected]

Project Finance, Energy:
ASC advises debtors, sponsors and lenders, particularly in sectors including energy and renewable resources, hydropower, nuclear, power distribution and retail sales, oil and natural gas, telecommunications, recycling, water treatment, mining and natural resources, transportation (ports, shipping and aircraft), real estate and other types of infrastructure. ASC assists clients at every stage of a project finance deal’s life cycle, from the preparation of the term sheet to closing and beyond. ASC’s services include the drafting of facility and security documents, due diligence, the registration of security agreements and the structuring of funding transactions for corporate borrowers, banks and financial institutions. ASC has recently participated in several renewable energy projects worth over 100 million USD and it has been serving clients in natural gas and power plant segments.
Contact Name: Levent Yetkil
Tel: +90 212 284 98 82
Email: [email protected]

Debt Collection:
With a team of 110 people, 15 of which are lawyers, ASC serves many large clients such as banks, telecom operators, utility companies and also private clients in debt collection.
Contact Name: Dogan Cosgun
Tel: +90 212 284 98 82
Email: [email protected]