Serhat Kutlu

Sümer Varlik Yönetimi AS provides asset management services. Its activities include trading with banks and other financial institutions receivables, debt collection and restructuring, conversion of guarantees to cash, and consulting. The company was founded by Sofu Altinbas, Vakkas Altinbas, Aliye Altinbas, Orkun Altinbas, and Sedef Akacan on March 9, 2015 and is headquartered in Istanbul, Turkey.

Altinbas Holding AS operates as a holding company with interest in jewelry, energy and finance sectors. The company engages in the design, manufacture, wholesale, and retail of jewelry, including gold jewelry and accessories, and jewelry made with precious and color stones. It also operates oil stations to provide mineral oil products to automotive and automotive by-products industries. The company was founded in 1997 and is headquartered in Istanbul, Turkey.