KOKTEYL was established in 2002, primarily with the objective of developing B2C projects in internet and mobile environments.

KOKTEYL defines its mission as to offer its knowledge in information technologies to the users in mobile and internet environments in a creative and a quality manner and its vision as to develop and operate creative, functional systems with multiple users in mobile and internet environment.

KOKTEYL has divided its in-house organization in two units such as operation and business development. The Operation unit provides contents to operated and supported sites and applications, performs moderation and provides technical support. The business development unit adds new functions to the existing projects and develops new projects.

With its staff consisting of 30 people, KOKTEYL continues to create quality, creative and leading projects as a company that has developed and operated leading projects in the internet sector.

Mackolik Internet Hizmetleri Ltd.Şti.

Sports related sites developed by the partners Coretech A.Ş and KOKTEYL Bilgi Teknolojisi Hizmetleri A.S. A.Ş. have been gathered under a different company by the same partners. Thus, Mackolik Ltd. has become a company that only focuses on sports issues and develops projects aiming to carry the leadership in this issue to a step forward. 
Mackolik Ltd. has a structure that generates income from the advertisements broadcasted in its own websites, sms applications and receives its whole technical support from KOKTEYL Bilgi Teknolojisi Hizmetleri A.S. A.Ş. 

Opal Ltd.

Mackolik Complex Sports Cafe, Bar and Restaurant has opened its first branch next to Fenerbahçe Şükrü Saracoğlu Stadium with the objective of gathering the user group generated by Mackolik.com in virtual environment. From the point of view that football is a way of amusement the customers may watch many matches live, play iddaa and attend to dance parties in a friendly environment featuring a quality service approach.

Erdem Yurdanur
Erdem Yurdanur, born in 1968 in Uşak, has graduated from Boğaziçi University, Computer Engineering department in 1990. He works as the General Manager in KOKTEYL Bilgi Teknolojisi Hizmetleri A.Ş. and Mackolik Ltd. companies.

Tarkan Onar
Tarkan Onar, born in 1970 in Ankara, has graduated from Hacettepe University, Tourism and Hotel Management department. He works as a Board Member and an Operation Director in KOKTEYL Bilgi Teknolojisi Hizmetleri A.S. and Mackolik Ltd. company.

Namık Kural
Namık Kural, born in 1958 in Ankara, has graduated from METU (Middle East Technical University), Computer Engineering department in 1981 and taken his masters degree in Boğaziçi University, Computer Engineering Department in 1985. He works as a Board Member in Coretech A.Ş.

Şefik Sertel
Şefik Sertel, born in 1961 in Ankara, has graduated from METU (Middle East Technical University), Computer Engineering department in 1983. He works as a Board Member and a Development Director in Coretech A.Ş.

Cahit Güvensoy
Cahit Güvensoy, born in 1969 in Ankara, has graduated from Boğaziçi University, Computer Engineering department in 1991. He works as a Board Member and Operation Director in Coretech A.Ş.