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Merkezi Kayit Kurulusu A.S. (MKK)

Postal address Resitpasa Mahallesi Ozborsa Caddesi No:4, 34467 Sarıyer Istanbul-TURKEY
Tel. +90 212 334 57 00
Fax +90 212 334 57 57

Merkezi Kayit Kurulusu A.S. (MKK) was established on 26 September 2001 as a legal entity under the provision of the Turkish Capital Market Law (TCML) no 4487 - Articles on Dematerialisation of Capital Market Instruments (Art. 10/A, Interim Provision 6 & 7) and other relevant decrees.

The Turkish Capital Markets Law no 6362, which was enacted on 6 December 2012, designates MKK as the only central securities depository in Turkey for dematerialised capital market instruments.

MKK is also a securities settlement system operator as per the Law on Payment and Security Settlement Systems, Payment Services and Electronic Money Institutions enacted on 27 June 2013.

For the relevant legislation in English see

Yakup Ergincan, Prof.

CEO & Member of Board of Directors

Professor Yakup ERGINCAN is one of the founding executives of Merkezi Kayit Kuruluşu which was established in 2002. Between 2008 and 2017 he was appointed as the CEO and Board Member of MKK where he previously worked as a manager in IT and Operations divisions and in Depository Operations and Services Department responsible for the management of the Dematerialization Project, and later as Executive Vice President responsible for the Dematerialized System between 2002 and 2008. Most recently he was assigned as the Advisor to the Chairman of the Board of Borsa Istanbul, and has been appointed as the CEO and Board Member of MKK on 18 September 2017.

Mr. ERGINCAN holds his Bachelor’s Degree from Department of Business Administration, Marmara University (1990), and Master’s Degree on “Accounting & Finance” from the same university (1995). Prof. ERGINCAN later received an MBA degree from University of Michigan Business School (1998) and a Ph.D. in Banking from Marmara University (2001). He obtained Associate Professorship Degree and Professor Degree (2017) in “Accounting & Finance” from the Council of Turkish Universities.


Istanbul Clearing, Settlement and Custody Bank Inc.


Borsa Istanbul Inc.


Turkish Capital Markets Association


Main Functions

  • Central securities depository, registrar and financial account opening center for the Turkish capital markets.
  • Securities settlement system operator and securities settlement agent for FOP and DVP settlements.
  • Designated R&D center for development of technology intense post trade and corporate governance solutions to financial markets.
  • Issuer services such as issuance, shareholder identification, financial and managerial corporate actions operations.
  • Operator of the Electronic General Meeting System (e-GEM) for all listed companies in Turkey. Furthermore, a global service provider for the implementation of e-GEM in other capital markets in the world.
  • Operator of the Public Disclosure Platform (PDP), the central information platform for all listed companies in Turkey.
  • Information services through e-MKK Information Portal platforms such as e-GOVERNANCE: Corporate Governance and Investor Relations, e-COMPANY: Companies Information Portal and e-DATA: Capital Markets Data Bank.
  • Electronic registry center for electronic warehouse receipts on agricultural products.
  • Data and reporting center for participants, investors, government agencies, data vendors, rating agencies and other parties.

MKK is a member of the following international organisations:

  • European Central Securities Depository Association (ECSDA)
  • Association of Eurasian Central Securities Depositories (AECSD)
  • International Securities Services Association (ISSA)
  • The Africa and Middle East Depositories Association (AMEDA)

NSD has signed Memorandums of Understanding with the following organizations:




Palestine Capital Market Authority


5 December 2006

Central Securities Depository of Iran


10 March 2010

Korea Securities Depository

South Korea

22 October 2010

SIX Securities Group


03 April 2012

Japan Securities Depository


01 February 2013

Tunisian Depository & Clearing


01 March 2013


South Africa

January 2014

National Depository Center of the Republic of Azerbaijan


04 September 2014

Central Depository Company of Pakistan (CDC)


September 2014

Central Securities Depository Ad Skopje (MCSD)

Republic of Macedonia

26 September 2014

National Settlement Depository (NSD)

Russian Federation

November 2014

China Central Depository & Clearing Co., Ltd. (CCDC)

People's Republic of China

2 June 2015

Kazakhstan's Central Securities Depository JSC (KACD)


11 September 2015

Indonesia Central Securities Depository (KSEI)


28 September 2017