The Turkish Competition Authority maintained an exceptionally active enforcement agenda in April 2026, addressing competition concerns across digital payments, healthcare, retail, and technology sectors. Major developments included commitment decisions for Mastercard and Visa, cartel fines in household appliances, and the launch of comprehensive investigations into orthopaedics markets and software distributors, alongside significant policy updates to merger control guidelines and digital market strategies.
TurkeyAntitrust/Competition Law
May 2026 – April was another exceptionally active month for the Turkish Competition Authority (“TCA”), marked by a broad enforcement agenda, from global technology giants to investigations in the healthcare sector, as well as important policy and guideline developments regarding digital market strategies. Global payment system leaders Mastercard and Visa secured the closure of the investigations against them through commitments, while the cartel fine imposed on MediaMarkt—and the newly launched investigation extending to Dassault Systèmes distributors—signalled the TCA’s continued close scrutiny of digital and retail markets.
On the other hand, the comprehensive investigation into the orthopaedics and neurosurgery sector, together with bid-rigging cases involving panel manufacturers, demonstrated the TCA’s increasing focus on public tenders and the healthcare industry. On the policy front, the TCA updated its merger control guidelines to address long-standing practical
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