Mr Şahin Ardıyok > Balcioglu Selçuk Ardiyok Keki > Istanbul, Turkey > Lawyer Profile

Balcioglu Selçuk Ardiyok Keki
Şahin Ardıyok photo

Work Department

Competition and Antitrust


Partner, Head of Competition and Antitrust Group


Şahin Ardıyok is a partner and the Head of Competition and Antitrust Group. He advises multinational corporations and large Turkish conglomerates, associations and government institutions on PPP projects, administrative law, consumer law, competition law, telecommunications, pharmaceuticals and energy regulations, competition strategies and anti-dumping matters. Having 15 years of experience on both sides of the competition and regulation enforcement, he has unparalleled skills in competition law and regulatory activities of state institutions. Şahin has taken part in both defence and investigation teams, designed litigation strategies and presented arguments in hearings before Turkish Competition Authority. He was also involved in numerous cases related to competition law and regulations before Administrative Courts and Appeal Courts. Prior to joining the firm, Şahin worked in the Turkish Competition Authority as a competition law expert and in a prominent competition boutique as a partner. He is the delegate of Turkey to ICC Competition Commission and reports to IBA Competition Law Newsletter.


Turkish; English


Istanbul Bar Association, 2005


University of Chicago Law School, LLM, 2003; Univeristy of Ankara Institute of Social Sciences, MBA, 2000; University of Ankara Faculty of Law, LLB, 1997

Lawyer Rankings

Turkey > Competition

(Leading individuals)

Şahin ArdıyokBalcioglu Selçuk Ardiyok Keki

Balcioglu Selçuk Ardiyok Keki fields a large team that is admired for ‘communicating complex competition law issues in a simple, clear and practical way‘. The firm has a strong recent history in the market, acting in some of its most notable investigations, including assisting Yemek Sepeti Elektronik İletişim Tanıtım Pazarlama with a precedent-setting Turkish Competition Authority labour market investigation. The team also frequently advises on merger control filings and competition law aspects of M&A. Şahin Ardıyok and Bora Ikiler share leadership duties, while Barış Yüksel joined as of counsel from ELIG Gürkaynak Attorneys-at-Law in October 2021, bolstering the practice in the energy and telecommunications sectors in particular.

Turkey > Compliance

Full-service firm Balcioglu Selçuk Ardiyok Keki has an established client list of multinationals which look to the regulatory and compliance team for assistance navigating the legal framework of their respective industries. The practice covers all aspects of a compliance mandate, from white-collar irregularities to regulatory compliance and sector-specific issues. The department is well integrated into the rest of the firm, as part of its ‘one-stop shop’ offering to clients. As head of the firm’s competition, public policy and regulation team, Şahin Ardıyok is the primary contact and has extensive experience in a range of investigations. Co-heading the team is Bora Ikiler, who has represented clients in corruption and bribery issues, as well as in AML investigations, competition law and data protection. Transactional-focused senior partner Selim Keki also plays a role in overseeing the department. Senior associate Armanç Canbeyli is one of the stand-out junior lawyers in the market.

Turkey > Energy

The energy team at Balcioglu Selçuk Ardiyok Keki leverages its experience in several areas, including petroleum markets, LNG business, smart grids, electricity and renewables. A core area for the practice is the regulatory aspect with a multidisciplined approach when assisting clients such as competition advice, contract arrangements, risk management and compliance. The team is co-led by Barlas Balcıoğlu  who regularly advising multinational companies in real estate finance, leasing and syndicated lending. The other co-heads are Şahin Ardıyok who specialises in competition, public policy and regulation, and Selim Keki  who acts for strategic investors, listed companies and private equity houses.

Turkey > Media and entertainment

Balcioglu Selçuk Ardiyok Keki provides legal solutions to a wide range of clients across the IT ecosystem, from emerging growth companies to investors and multinational corporations. The team is involved in the development of public policies and the creation of sector-specific regulations. Key clients for the firm include Ericsson, Uber, eBay and Facebook. The practice is co-led with Kağan Dora focusing on IT-related work, while Şahin Ardıyok is well-versed in public policy and competition matters. Other co-head Bora Ikiler focuses on data protection compliance and privacy.

Turkey > IT and telecoms

Balcioglu Selçuk Ardiyok Keki provides legal solutions for a wide range of clients across the IT ecosystem from emerging growth companies and investors to multinational corporations. The practice is well-versed in work relating to e-commerce, licensing, advertisement, content production and geographic data systems. From a fintech standpoint the firm advises on cybersecurity, cryptocurrencies, blockchain and smart contracts. Regulatory expert Şahin Ardıyok is experienced in competition law and co-heads the team with Kağan Dora, who combines his IT workload with a more general practice, and Bora Ikiler, who focuses on data protection compliance.