Dogukan Berk Aksoy

Leaders in Law endorses Dogukan Berk Aksoy as our exclusively recommended Intellectual Property Law expert in Turkey. If you wish to get in touch with Dogukan Aksoy please use the contact information provided above.

Dogukan Berk Aksoy, LL.M., a registered attorney-at-law, trademark and patent attorney and court expert in IP matters in Turkey, is the founder of Aksoy IP.

Prior to founding Aksoy IP in Ankara, Dogukan had worked at the Istanbul office of an international law firm with respect to the filing and prosecuting of intellectual property rights.

At Aksoy IP, Dogukan now advises his local and international clients from various sectors on a wide range of intellectual property matters, files their registration applications and oppositions against third party applications before the Turkish Patent and Trademark Office and negotiates assignment and license agreements with counter-parties on behalf of his clients.

Apart from the services mentioned above, with his extensive experience in litigation, Dogukan regularly represents his clients before the Turkish Courts in all kinds of disputes related to trademarks, patents and designs. He also carries out seizure proceedings and customs measure applications against counterfeit goods.

Firm Description:

Aksoy IP is a boutique and dynamic intellectual property firm in Turkey.

With our team composed of trademark and patent attorneys and lawyers, we are a one-stop-shop when it comes to the protection of intellectual property rights in Turkey.

We represent our local and international clients before the Turkish Patent and Trademark Office in registration and opposition procedures and before the Turkish courts in lawsuits and advise them in their intellectual property-related contractual relationships.

We are committed to offering to our clients high-quality work with our local expertise and always being very responsive.

Aksoy IP is located in Ankara, where the Turkish Patent and Trademark Office is established, and lawsuits against the decisions of the Office shall be exclusively settled.


Serkan Çatalpınar

Leaders in Law endorses Serkan Çatalpınar as our exclusively recommended Construction Law expert in Turkey. If you wish to get in touch with Serkan please use the contact information provided above.

After completing his bachelor study (LLB) at the Başkent Universitiy Faculty of Law in 2005, Serkan Çatalpınar served as an intern lawyer then as a lawyer at the Kasaroğlu Law Offices until 2007, before settling in Brussels in 2007 and serving for the PECO desk at the Council of Bars and Law Societies of Europe as a representative of the Union of Turkish Bar Associations. After practising as a self-employed lawyer, he later served as a contract specialist at Aydın Yazılım ve Elektronik Sanayi Ltd, which is partnership of the American L3 Communications and Vestel Holding, and as a lawyer at the Yazıcı Law Offices. Since 2012, he has served as the Chief Contract Administrator of the FIDIC-based Cairo International Airport Project, of which Limak Construction Industry and Trading Co. is the main contractor. As of July 2015, he has been working at the Kurucu Law Offices, of which he is a founding partner.

His specialities are particularly concentrated on the fields of Construction Law (primarily FIDIC), International Commerce, Defence Industry, and Companies Law. Since the beginning of his professional life, Mr Çatalpınar has provided legal support to many local and foreign clients.

Firm Overview:

Kurucu Law Offices (“KURUCU”) has been established in Ankara at the beginning of 2015 by three founding partners, each specialised in their own practice area. KURUCU is an Ankara-based law firm which provides services with its team of lawyers who can speak English at high level and are specialised in their fields, being primarily energy law, construction law and infrastructure law, FIDIC and FAR contracts and agreements law, mergers and acquisitions, project financing, international commerce, international arbitration and commercial cases. KURUCU has a liaison office in Istanbul, Turkey.

KURUCU provides legal consultation and advocacy services based on the principles of high quality, sincerity and honesty, in conjunction with various law offices and specialist technical service providers in its network, to local and foreign clientele in their projects and activities both in Turkey and abroad.

In provision of its services, KURUCU aims to provide assistance in all aspects of clients’ needs from the very start of the relevant project and/or legal process until they are completed, to be available at all times, and treat the needs of the clients as if they are KURUCU’s own needs, and to keep these aims in the foreground at every stage of KURUCU’s services.

While carrying out services, in addition to their viewpoint as lawyers, KURUCU team make a point of conducting them as a businessman by benefiting from their past experience and technical-specialist staff.


Burçin Gözlüklü

Leaders in Law endorses Burçin Gözlüklü as our exclusively recommended Tax Law expert in Turkey. If you wish to get in touch with Burçin please use the contact information provided above.

Burçin Gözlüklü is the founder of Centrum Sworn-In Financial Advisory and Consulting Inc. and he serves as the managing partner. He also serves as the chairman of ETL Turkey Office, which is a part of Germany based ETL Group, one of the top Tax and Audit companies in worldwide. Centrum has been listed as Best Tax Firm in Turkey for 2018 by International Tax Review, a leading International Publisher in tax world.

Before establishing the Centrum Group, Burçin has worked as a tax inspector within the Turkish Ministry of Finance Tax Inspectors Board for 10 years.

Beginning from the mid-2008, he was appointed as the Secretary General of the Turkish Accounting Standards Board (now named as Public Oversight Board), and took the leadership role of adopting the international accounting standards (IFRS/IAS) into Turkish legislation for 3 years. During this period, he participated as a member in the Asian – Oceanian Standard Setters Group (AOSSG) and as an observer member in the World Standard Setters (WSS) Group.

During his duty as Secretary General, he actively participated in the preparation of the New Turkish Commercial Code (TCC) as well as he represented our country regarding accounting and audit legislations of new TCC during the negotiation process of EU Acquis’ Company Law Chapter with EU Commission.

The European Union acquis represented our country in terms of accounting and auditing regulations of the new TCC during the negotiation of the Company Law chapter with the EU Commission.

After he left public sector in 2010, he became the Group Audit Coordinator of Koç Holding Inc., which is the biggest conglomerate and the only Top 250 Fortune’s Global Listing company in Turkey. For three years before establishing Centrum, Burçin served as the Tax Management Coordinator of Koç companies responsible from the tax advisory and management of the group firms.

Burçin Gözlüklü has received his BA degree in Business Administration from the Middle East Technical University, Faculty of Economic and Administrative Sciences. He has a Ph.D. degree in finance and accounting from Başkent University.

Between the 2011 and 2014 years, he served as the member of Turkish Industry and Business Association (TÜSİAD) intellectual rights sub-study group. Between 2011 and 2013 years, he represented TÜSİAD in the Commissions of Public Oversight, Accounting and Auditing Standards Authority.

He has been the executive board member of the International Financial Management Association of Turkey since 2013.

In 2020, he was elected as the executive board member of the Istanbul Economy Summit and as the independent member of the board of director of a listed company, Yeni Gimat GYO A.Ş.

He holds Sworn-in CPA and independent auditor degrees and he is fluent in English.

Specialty Areas

Firm Description:

Centrum provides services to many international and domestic companies in the fields of tax, independent audit, corporate finance, internal audit, corporate risk, management consultancy. In addition to the corporate services that it specializes in, it also offers comprehensive tax consultancy and tax compliance services.

Since its establishment in 2015, with more then 400 customers and 50 employees, it has become just one of Turkey’s fastest growing consulting firm within 5 years. It provides consultancy services to a large number of corporate firms, with partners consisting of 5 people, each of whom are experts in their fields, and a staff, 40% of whom hold a master’s degree. Centrum has achieved a unique place in sector since It is Turkey’s first firm specializing in international consulting and transfer pricing.

Centrum has received the “European Tax Awards of the Year: Tax Firm of the Year 2018” award by the International Tax Review, which is considered as the most reliable international publication in terms of evaluating tax firms. It is also listed as “Top Tier Transfer Pricing Firm” and “Top Tier Tax Firm” in the World Transfer Pricing 2019 and World Tax Guide 2019 issues published by International Tax Review.

At the beginning of 2019, Centrum has signed a strategic partnership agreement with Germany-based ETL Global in order to strengthen its activities worldwide, and has received the status of Turkey Office of ETL Global. ETL Global operates in more than 50 countries with more than 40 years of history and more than 1000 offices. ETL Global is ranked among the top 5 tax and audit companies in Germany and has an income more than 810 million Euros only in Germany. Its combined worldwide income is at the level of 1.3 Billion Euros. The company has around 850 offices in Germany. ETL Global operates worldwide with more than 9,000 employees and more than 200,000 customers.


Okan Or

Leaders in Law endorses Okan Or as our exclusively recommended Competition and M&A Law expert in Turkey. If you wish to get in touch with Okan please use the contact information provided above.

Prior to founding SEOR Law Firm, Okan was a partner in Pekin & Pekin Law Firm.

Okan advises clients on a wide range of corporate transactions. He has extensive experience on various forms of merger & acquisition transactions, including formation of joint ventures, asset transfers, privatizations and various types of public private partnerships. Okan advises a number of multinational corporations, private equities and local entities at all phases of merger & acquisition transactions.

Having made 10s of filings before the Turkish Competition Board, Okan is among the leading attorneys of the jurisdiction in the Competition Law area, assisting his clients in investigation processes, implementation of pre-emptive measures and training programs as well as merger control filings.

In addition, Okan advises his clients in matters concerning real property development, sale and mortgages. He has assisted structuring and implementation of various high ticket and complex real property transactions involving construction right, mortgages, right of first refusal and promise to sell arrangements.

Okan also leads personal data protection practice of the firm and has led numerous compliance projects on privacy matters.

Practice Areas

  • Merger & Acquisitions
  • Corporate and Commercial Law
  • Competition
  • Real Property
  • Data Protection,


Istanbul Bilgi University (LL.B. 2007)

Bar Admissions

Istanbul Bar Association (2008)



Firm Description:

SEOR Law Firm is a full service Turkish law firm established in Istanbul. We have a highly experienced and dynamic team of legal experts dedicated and well capable of distinguishing SEOR Law Firm through the quality of its legal services, responsiveness, reliability and strict compliance with high ethical and professional standards.

Our diverse practice areas mainly include all aspects of corporate and commercial law, mergers & acquisitions, banking and finance, competition, real estate and construction, dispute resolution and capital markets.

Our team has in depth knowledge across many sectors and assists publicly traded and privately owned multinational companies, private equities, financial institutions, local entities, startups and individuals.

Our lawyers leverage their long-term work experience in advising on and handling cross-border transactions and disputes within their respective areas of specialization and work as a team in order to offer commercially focused and top quality legal services that are tailored to the particular needs of the client.

We aim to act as a business partner of our clients providing services that add value to their businesses and proactively supporting them in an efficient manner.

All lawyers in the firm are bilingual and are qualified to practice law in Turkey.


Burçak Sercan Sarıkaya

Leaders in Law endorses Burçak Sercan Sarıkaya as our exclusively recommended Commercial Law expert in Turkey. If you wish to get in touch with Burçak please use the contact information provided above.

Burçak Sercan Sarıkaya is the founding partner of Sarıkaya + Şahin and is a qualified lawyer admitted to the Istanbul Bar Association with experience in commercial litigation/contracts, cross-border transactions, maritime and admiralty disputes. He has notable experience in litigation and dispute resolution cases, breaches of contract and especially disputes where multinational companies are involved including but not limited to employment and labour law.


  • Atılım University Insitute of Social Sciences (Ph.D in Business Administration, present)
  • Bahçeşehir University Institute of Social Sciences (LL.M in Private Law – Full Scholarship)
  • Ankara University Faculty of Law (Law Diploma)

Memberships & Admissions

  • ELSA

Other Languages

  • English

Firm Description:

Today, the impact of rapid changes in technology and economy is also manifested in the field of law. Therefore, these changes bring the necessity for dynamic, open-minded and professionally up-to-date lawyers more than ever. Sarıkaya + Şahin aims to respond to these necessities while enhancing its services to come along with the best possible solutions.

Sarıkaya + Şahin focuses on providing high level advice and expertise to its clients for their legal obstacles in various commercial areas in order to materialise their business strategies and assist them to achieve their goals. Sarıkaya + Şahin counsels clients of all types – individuals, entrepreneurs, small businesses and start-ups and international and global entities.

By putting forward solution-oriented and interest efficient approaches, Sarıkaya + Şahin is dedicated to provide excellence in client service.

In matters of relations with administrative body and institutions, pursuing and concluding licence, authorization and permit procedures, Sarıkaya + Şahin collaborates with a Law Firm based in Ankara with 20 years of experience.


Ahmed Pekin

Leaders in Law endorses Ahmed Pekin as our exclusively recommended Banking & Finance Law expert in Turkey. If you wish to get in touch with Ahmed please use the contact information provided above.

Ahmed Pekin is the founding senior partner of Pekin & Pekin, established in 1971 in Istanbul and now one of the most prestigious and largest independent corporate firms in Turkey. Renowned as an outstanding attorney, Ahmed Pekin has an unrivalled breadth of knowledge across many practice areas.

He is a highly experienced litigator and advises on complex banking and finance, project finance, mergers and acquisitions, corporate law and taxation matters. He has led the majority of large scale transactions in the jurisdiction, notably in the banking sector, and has won numerous accolades and awards in his long career.

The Banking & Finance Practice:

Pekin & Pekin advises on the incorporation of financial institutions and banks. The Firm has incorporated many first-of-a-kind regulated companies, and has been retained to advise on the conversion and acquisition of all of Turkish brokerage companies.

Pekin & Pekin:

Founded in 1971, Pekin & Pekin is a full-service law firm providing integrated legal services to clients involved in transactions within Turkey.

The vision of Pekin & Pekin today is the same vision as in 1971 – to provide clients with legal advice that helps them achieve their long-term objectives in Turkey and globally with the greatest efficiency. This vision is attained by a strategy of steady expansion, allowing the Firm to retain its boutique character and standard of service.

The Firm has pioneered legal structures for Turkish banking transactions, facilitated the introduction of new financial products and organisational structures, advised regulators on new laws and regulators on new laws and regulations across multiple sectors acted in the largest and most high profile finance and M&A deals in the jurisdiction and succeeded in complex arbitration cases.



Selcuk S. Esenyel is the founding partner of Esenyel&Partners and is a qualified lawyer admitted to the Istanbul Bar Association after completing his LL.B. Law degree in Turkey and studying for an LL.M. in the United Kingdom. He primarily focuses on maritime, admiralty, dispute resolution, banking and finance and asset finance and securitisation. He has acted for a wide range of clientele, from P&I Clubs to H&M insurers, to international banks, to ship charterers and owners. He is currently in charge of the Shipping, Finance and Litigation team at Esenyel&Partners.

Significant Clients:

  • ITIC

Ersin Nazali

Leaders in Law endorses Ersin Nazali as our exclusively recommended Tax Law expert in Turkey. If you wish to get in touch with Ersin please use the contact information provided above.

Ersin Nazalı, who has worked as tax inspector for nine years under Revenue Administration, is expert and has a considerable knowledge in several tax areas especially tax inspections, tax litigation, transfer pricing and tax free re-structuring of companies.

He was born in Denizli in 1979. He has graduated from Ankara University, Faculty of Political Sciences and also Dicle University, Faculty of Law. He has master degree from Istanbul University in Fiscal Law (MSc) and also from King’s College London, School of Law in International Tax Law (L.L.M.). He is currently working on his PhD Thesis named, “Transfer Pricing from Tax Perspective” in İstanbul University, Fiscal Law Department.

After his graduation from university in 2001, he worked as tax assistant in Arthur Anderson and then as deputy inspector in Prime Ministry Board of Inspection. In 2004 he has been assigned as Deputy Tax Inspector upon his success in the entrance exam, in 2007 he has been assigned as Tax Inspector.

In academic year 2008-2009, he served as part time lecturer in Aydın University and he attended as both debater and instructor in several conferences and seminars organized by various institutes and organizations.

He has played role in legislation of tax laws as of March 2009 after having been assigned in Tax Council. He also played role in Consultancy Commission which is an organ of Tax Inspectors Board as member and reporter. He is one of the founders of “Tracking of Tax Disputes” Department within Tax Inspectors’ Board.

There are more than eighty articles published in several tax journals.

Ersin Nazalı who is married and father of one child, has a very good command of English.


  1. Liquidation, Merger, Acquisition, Spin-off and Conversion of Joint Stock and Limited Liable Companies in respect of Tax and New Turkish Commercial Code (3rd Eddition, 2013)
  2. Work Place/Permanent Establishment in respect of Tax Treaties and Turkish Tax Law
    (About to be published)
  3. Tax of Law (Selected Articles)
    (About to be published)
  4. Taxation of Securities within the Scope of European Union Harmonization
    (Unpublished, Proficiency Study-Tax Inspectors’ Board, Istanbul, 2007)
  5. Criminal and Tax Liability of Company Directors
    (Unpublished, Proficiency Study-Prime Ministry Inspectors Board, Ankara, 2003)


Arzu Ongur

Leaders in Law endorses Arzu Ongur as our exclusively recommended Litigation Law expert in Turkey. If you wish to get in touch with Arzu please use the contact information provided above.

Arzu ONGUR is the managing partner of ONGUR&PARTNERS International Law Firm. She is a well-recognized lawyer based in Turkey, with expertise in international law, arbitration and litigation. She has wide range of professional work experiences in Turkey and abroad, including Italy, Brussels and New York City. She represented many large-scale local and international clients and government authorities, as well as embassies, before national courts and international arbitrations. Some selected projects and cases where she acted as attorney are provided in the “Selected Cases” section. She has training and legal degrees from Turkey, and Italy. Arzu ONGUR’s focus is on ICC& ICSID Arbitration, Public Procurements and Projects, Energy Oil & Gas Law, Mining Law, Foreign Direct Investments, Privatizations, Litigations, International Contracts, Administrative Law, Defense Industry, Banking Law, Competitions, Defense Industry, Aviation, Transportations, Public Tenders and PPP. She has vast experience in multinational and complex legal disputes.

LANGUAGE SKILLS:  English (fluent)  / Italian (fluent) / Turkish (native)




2005 October-Ankara University Faculty of Law Department of Administrative Law GPA 90/100 Ankara /TURKEY


2006 October- 2007 June European College of Parma, Advanced Diploma on European Studies and Law, (She granted Full Scholarship from Italian Ministry of Foreign Affairs.) GPA 24/30 Parma/ITALY


2004 October-July 2005 Master in Development Innovation and Change Bologna University Alma mater, Faculty of Law. She completed this programme as Erasmus exchange student. GPA 23.3/30 Bologna/ITALY



1996-2000 Ankara University Faculty of Law, Bachelor Degree in Law

ONGUR&PARTNERS International Law Office:

ONGUR&PARTNERS International Law Office provides a spectrum of top quality legal services to international businesses, corporations, governments and investors. The firm’s experienced team of lawyers has represented clients from throughout the European Union; particularly in the United Kingdom and Italy, as well as United States and Turkey. It built a strong reputation for professionalism, rigor, and appreciation of complexities of international business law.

We are proud to provide legal services to a broad range of clients from all over the world, to prominent industries in Turkey as well as significant projects, while working as trusted legal advisors in Turkey for over 13 years. In depth experience we gathered from distinguished clients, being part of unique projects and dealing with multinational complex legal issues provided us with the framework and opportunity to demonstrate our legal skills at the highest level.

ONGUR&PARTNERS International Law Office expertise covers all aspects of state, commerce, business and investment laws in Turkey, and all aspects of litigation and arbitration. The office in Ankara provides local services to surrounding cities, as well as Istanbul, Izmir, Bursa, Alanya, and employs consultants overseas to provide service in excellent standards. Clients are served with diligence, and the firm’s language fluency in Turkish, English, Italian and Russian guarantees that an interpreter is rarely needed for close communication. Lawyers and staff at Our firm is considered among the top trusted international legal service providers and law firms in Turkey by international legal networks and authorities. Our special focus on client expectation and our approach to design best legal strategy for successful and effective results separate us. The firm’s close client interaction, support and international network render its services solution-oriented.

Our lawyers aim to:

-Understand the needs of local and foreign clients,

-Multi-dimensionally analyze and provide the best solutions to meet legal requirements and satisfy client needs,

-Bring professionalism and timely execution for each steps of legal processing for clients.

ONGUR&PARTNERS’s vision is to provide clients with legal advice that helps them achieve their long-term objectives in Turkey and across the globe with the greatest efficiency. This vision is attained by a strategy of steady expansion, allowing us to retain a boutique character and to provide excellent standards of service.

More information about our firm is available upon request. Please do not hesitate to contact us for any question and/or inquiries through or to call us from +90 312 426 39 94


Güvenç Ketenci

Güvenç Ketenci is the Managing Partner of the firm. He advises on corporate, commercial, real estate and energy law related matters. He has a wide expertise on cross-border transactions and dispute resolution. He represents top-tier corporations in relation to their Turkish law related matters.

Formerly, he worked as a visiting solicitor in the UK and gained experience on international law.

Güvenç Ketenci is also the Founder of European Lawyers, and currently stands as the Chairman of this organization. European Lawyers have more than 10,000 lawyers as members at present, and aims to gather lawyers and promotes the rule of law on a global scale. In 2013 he was listed as the leading commercial lawyer in Turkey by Global Law Experts publication.

He is a member of DEIK, British-Turkish Lawyers Association

Professional qualifications

Admitted to the Bar, Istanbul, 2004

Academic qualifications

LLB, Marmara University Law Faculty, (Istanbul, Turkey) (2003)

Latest Published work

Incorporation of Investment Companies or Funds in Turkey – Co-Author (2013)

A review of the New Turkish Commercial Code (2013)

Mergers and Acquisitions in Turkey (2012)

Oil & Gas Regulations in Turkey – Co-Author (2013)