
Praised for its ‘highly sophisticated and dedicated competition lawyers’, CoPartners is a boutique firm specialising in competition law and regulated industries, and is uniquely well placed to advise international clients. The group advises on the full range of complex competition mandates, including merger control and foreign direct investments, investigations, compliance, counselling and competition litigation. Co-leading the group, Sezin Elçin is a ‘top-notch expert on Turkish competition law’ with particular expertise in multijurisdictional merger filings, and Emre Önal is also a merger control expert as well as a seasoned litigator. The group also includes Safa Uygur and Beyza Timur, who advises both multinational and domestic clients across a wide range of industries.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘CoPartners provides clear communication in matters related to competition law, ensuring that its clients receive straightforward legal guidance that is easily comprehensible and actionable.'
- ‘Sezin Elçin’s more than 10 years of private practice with global clients mean that the competition law advocacy and consultancy service provided by CoPartners is among the best in Turkiye.’
- ‘They have solid knowledge about the pharma industry and are very successful in combining their competition law experience with industry knowledge.’
- ‘Sezin Elçin is very approachable. Moreover, there is no doubt about her experience in competition law.'
- ‘The team is composed of highly sophisticated and dedicated competition lawyers who deliver practical legal solutions at the highest quality. Especially Sezin Elçin is impressive.'
- ‘Sezin Elçin is certainly a top-notch expert on Turkish competition law.'
Key clients
- Goldman Sachs Garanti BBVA Nestlé General Atlantic A101 Allianz Daiichi Sankyo Roquette Frères CoreWeave Visa
Work highlights
Advised Visa regarding the full investigation launched by the Turkish Competition Authority into Mastercard and Visa for alleged anticompetitive behaviour in the markets for scheme services and digital wallets in Turkey.
Advised Roquette in its USD 2.75 billion acquisition of IFF Pharma Solutions Business.
Advised Goldman Sachs in its acquisitions of Synthon International Holding and Galaxy UK Topco Ltd (TrackUnit).
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Sezin Elçin; Emre Onal
Other key lawyers
Safa Uygur; Beyza Timur
