Koc Holdings is an investment holding company. Through its subsidiaries, Co. is engaged in the business of natural gas, marketing, petroleum shipping, liquefied petroleum gas, power generation, production and trading of petroleum products and mining in the energy sector, production, trading, insurance and car rental in the automotive sector, production and sales, procurement, research and developement in the consumer durables sector, consumer finance, banking, custody, financial consulting, leasing, brokerage, real estate and portfolio management and brokerage banking in the finance sector, and tourism, trading, technology, ship construction and foreign trade in the other sectors.

Yapi Ve Kredi Bankasi is a financial services group. Co. serves its customers through its retail banking segment comprising of individual banking, Small and Medium Size Enterprises banking and card payment systems, corporate and commercial banking as well as private banking and wealth management segments. Co.'s operations are supported by domestic subsidiaries in asset management, brokerage, leasing and factoring as well as international banking subsidiaries in the Netherlands, Russia and Azerbaijan. As of Dec 31 2014, Co. had total assets of TL194.96 billion and total deposits of TL107.63 billion.