
Balcioglu Selçuk Eymirlioglu Ardiyok Keki Attorney Partnership is a ‘pioneer’ in competition law and a go-to adviser for international clients. Drawing on its strength as a full-service firm, the group provides comprehensive advice across the full range of competition matters, with particular expertise in investigations, merger control proceedings and compliance. Leading the group, Şahin Ardıyok has extensive experience with competition investigations, merger filings, government affairs and compliance programmes. Competition specialist Barış Yüksel and the ‘invaluable’ Bora İkiler are both key contacts for investigations before the Turkish Competition Authority, and Zeynep Şengören Özcan is another standout competition practitioner.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team distinguishes itself through its strong client focus, exceptional technical expertise, and a collaborative team approach.'
- ‘The team is very knowledgeable in competition law. They are reachable, proactive and very responsive.’
- ‘Ikiler Bora and Gökçe Çetinkaya both have deep knowledge and provide quality legal services, based not only on legal theory but also on a practical approach for the business.'
- ‘The team brings particular strength in managing risk in high-profile company matters, delivering under tight deadlines.'
- 'Of particular note is Zeynep Şengören Özcan, whose strategic insight, responsiveness, and deep understanding of complex legal issues are truly outstanding.'
- ‘The partners are very knowledgeable and experienced in competition law.'
Key clients
- Astellas
- Beymen
- DoubleU Games
- Elanco
- Emirates Steel
- Experian
- Fiba Holding
- Ford Motor Company
- Gacha
- Hedef Filo
- Honda
- Honeywell
Work highlights
Represented BASF Türk in a high-profile TCA investigation into cement additives and construction chemicals, involving price and information exchange, no-poach and wage-fix allegations, and early-stage collusion theories.
Acting as Amazon’s key competition law counsel in Türkiye, representing the company in all proceedings before the Turkish Competition Authority (TCA), advising on strategic compliance matters, and providing comprehensive, day-to-day support through a longstanding retainer.
Representing LG Electronics in successfully annulling a Competition Board fine for alleged resale price maintenance.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Barış Yüksel
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Zeynep Şengören Özcan
Practice head
Şahin Ardıyok
Other key lawyers
Barış Yüksel; Bora İkiler; Zeynep Şengören Özcan; Gökçe Çetinkaya
Comparative Guides
Comparative Guide
Real Estate
Turkey
Barlas Balcıoğlu, Ali Can Gören & Kadir Mızrak
Comparative Guide
Lending & Secured Finance
Türkiye
Günhan Yalçın, Ceyda Aydın & Ceren Akkur Bayram
Comparative Guide
Data Protection & Cybersecurity
Türkiye
Kağan Dora, Neslihan Kasap, Cansu Duman, Emir Gönen & Almira Akbay
