Forbes estimated Hakan Koç's wealth at about $1.3 billion in February 2021, right after Auto1 went public in Frankfurt. Co-founder Christian Bertermann was given the same figure. The wealth comes from his shares in Auto1 Group.
Koç studied law at Bucerius Law School in Hamburg and earned a Bachelor of Laws. He then worked at Rocket Internet as an entrepreneur in residence and became Chief Product Officer at the furniture retailer home24.
He and Bertermann founded Auto1 in Berlin in 2012. The company buys cars from private sellers and sells them on to dealers through an online marketplace. The IPO took place on 4 February 2021, with planned proceeds of about €1.8 billion. Auto1 joined the MDAX in June 2021.
At the end of 2025 Koç held about 9.1% of the company. Bertermann held about 12.7% and SoftBank about 14.8%. Auto1 had revenue of €8.17 billion in 2025. Koç holds the role of Chair of the Supervisory Board.