Firm Profile > Abcoo Law Firm > Istanbul, Turkey

Abcoo Law Firm
Inonu Caddesi Devres 50 Kat:2 Beyoglu

Turkey > Real estate and construction Tier 1

Abcoo Law Firm's extensive real estate team handles a wide variety of matters, including individual and portfolio transactions, joint ventures and other investments, sale and leaseback agreements, commercial leasings and construction contracts. The firm advises developers and investors in Turkey and internationally, and is also responsible for large-scale and complex projects with unusual considerations; it recently advised on a development based on a UNESCO World Heritage Site. The team is led by Hasan Çağlayan, who is praised for his 'comprehensive knowledge' of the field; transactional real estate expert Murat Aygün and Berk Batur, who advises on transactional issues.

Practice head(s):

Hasan Çağlayan; Murat Aygün; Berk Batur


‘High quality legal expertise makes them unique.’

‘The team always listens to the client and asks relevant questions where needed. They make reviews to verify that they understand your situation in detail. Once they make sure that they understand your situation they work hard and come back with a realistic summary assessment and show you your options. Unlike other firms they always give you a short brief including their assessment and recommendation rather than just explain what the law says.’

‘The team were proactive and dealt with some very complex issues very well.’

‘The lead partner and his team were extremely supportive in solving key issues. They sometimes went beyond normal efforts to help resolve and mediate. They were very approachable at all times and I felt like a valued client.’

Key clients

Adel Kalemcilik

Aeh Ana Gida

Aeh Anadolu Gayrimenkul Yatirimlari

Ak Portfoy Yonetimi

Aksoy Girisimcilik

Baraka Proje Gelistirme

Bsh Ev Aletleri

Counsel And Invest Insaat

Diar Suleymaniye Gayrimenkul

Dolphin Gayrimenkul

Eczacibasi Holding

Eria Partners

Eria Pramerica

Evyap Holding – Evyap Sabun

Eyusta Mimarlik

Galata Gayrimenkul

Gmw Architects

Goldman Sachs

H&M Turkey

Hpp International Turkey Mimarlik Ve Danişmanlik

Huda Dis Ticaret Danismanlik

Kale Kilit

Kat Turizm Gayrimenkul

Korfez Gyo

Korfez Tatil

Metro Properties

Metrosite Insaat

Moss Gayrimenkul

Neba Gayrimenkul


Olbia Gayrimenkul

Oran Turizm Petrol Yatirim

Orau Orhan Otomotiv

Orhan Holdi̇ng


Pd Turizm Ve Gayrimenkul

Peak Games

Pef Antalya Retail Investments

Pelitli Gayrimenkul

Peninsula Emlak

Turkey > Dispute resolution Tier 5

Abcoo Law Firm represents domestic and international companies in commercial litigation, arbitration, and mediation. Names to note include Can OğuzerHasan Çağlayan, and Erdoğan Okşak, who have experience in employment litigation, tax disputes, shareholder disputes, and issues involving non-performing loans. Clients include businesses in the media, energy, and retail sectors.

Practice head(s):

Can Oğuzer; Hasan Çağlayan; Erdoğan Okşak


‘They are perfect. We are happy to work with them. ’

‘The team always listens to client and asks relevant questions where needed. They make reviews to verify that they understand your situation in detail. Once they make sure that they understand your situation they work hard and come back with a realistic summary assessment and show you your options. Unlike other firms they always give you a short brief including their assessment and recommendation rather than just explain what the law says.’

Key clients

Peak Oyun


Diar Suleymaniye

Petrol Ofisi

Bi Enerji Makine

Polo Giyim

Data Market Bilgi

Metrosite Insaat Musavirlik

Ronesans Holding

The firm: Having been established by highly experienced lawyers, each of whom is an expert in their respective fields, Abcoo provides high-quality and solution-based legal services to its local and international clients. With its 30 years’ experience, Abcoo offers continuous and effective legal services to its clients in all the fields of law in co-operation with associated law firms, both local and global, and technical solution partners.

Areas of practice
Corporate and M&A: the firm provides a complete range of business legal services to its clients for all aspects of their domestic deals as well as their complex multi-jurisdictional transactions. It is extensively involved in cross-border M&A transactions with expertise in building creative and alternative M&A models in line with the mandatory regulations under Turkish law. It also provides legal consultancy in relation to incorporation of all kinds of legal entities including but not limited to real estate investment companies and portfolio management companies.

Real estate and construction: with years of experience in this specific field, the firm has significant expertise in conducting legal due diligence for proper real estate purchase and sales as well as drafting and negotiating agreements regarding direct and indirect real estate acquisitions. It provides forward-thinking legal consultancy to support the development, lease and operation of acquired real estate and innovative legal assistance in relation to zoning plan adjustments and zoning implementation. Its services include the representation of clients before public organisations and institutions; following-up of civil and administrative lawsuits with respect to real estate issues; and resolution of any relevant dispute, including disputes arising from the implementation of the law on the transformation of areas under disaster risk.

Dispute resolution: based on its long history of litigation success, the firm promises its clients an assertive approach to their litigation and arbitration cases on both local and cross-border basis. In this context, Abcoo provides clients with attentive care and timely assistance throughout every stage of their respective cases.

Labour: the firm renders legal advice, primarily on behalf of employers, on labour law issues. It provides consultancy services to clients as well as representing them in litigation processes.

Banking and finance: Abcoo advises banks, insurance companies and other financial institutions on various legal matters, including but not limited to drafting of loan agreements, collateral agreements, etc, on both a local and cross-border basis.

Unfair competition: Abcoo provides legal opinion and suggestions for current and possible unfair competition cases; enforcement of precautionary measures; follow-up of unfair competition claims pursuant to art 56 of TCC and criminal cases stipulated under art 61.

Public offering: the firm provides the following services, among others, with respect to public offerings: preparation of offering circulars for foreign markets; conducting of detailed legal due diligence; performance of the necessary amendments to the articles of association of companies, the shares of which will be subject to a public offering, for compliance purposes with the capital markets legislation; and submission of such to the capital markets board and providing legal assistance for the applications to be filed with the board for approval of the offering circular and with Istanbul Stock Exchange for trading at the respective market.

Sports: Abcoo provides legal assistance to various sports federations in preparing their main regulations and other directives; resolving disputes between federations, clubs and players; drafting and reviewing employment agreements as well as sponsorship contracts between clubs and players.

Enforcement and bankruptcy: the firm provides legal services to clients with respect to the bankruptcy process in addition to execution process of any kind of debt. Services in this field of law include debt recollection, restructuring of debts, purchase and sale of assets via public auctions, follow-up and conclusion of bankruptcy and liquidation.

Department Name Email Telephone
Corporate and M&A
Real estate and construction
Dispute resolution
Banking and finance
Personal Data Protection
Unfair competition claims
Public tenders
Public offering
Intellectual property
Enforcement and bankruptcy
Shareholder disputes
Photo Name Position Profile
 Hasan Çağlayan  photo Hasan Çağlayan Partner
 Murat Aygün  photo Murat Aygün Partner
 Berk Batur photo Berk Batur Partner
 Beril  Hepağır  photo Beril  Hepağır Senior Associate
 Can Oğuzer  photo Can Oğuzer Partner
 Erdoğan A. Okşak  photo Erdoğan A. Okşak Partner
 Ezgi Ulga  photo Ezgi Ulga Senior Associate
Number of lawyers : 16
Istanbul Bar Association