+90 212 246 11 19



Öncel, Aydın & Uygun Attorney Partnership is a team of dedicated lawyers who are ready to take on toughest legal challenges in Turkiye and around the world, serving clients with top quality legal services.

Our firm was originally founded in 1973 by Att. E. Sefa Öncel and came to its current structure with the addition of second-generation partners around 2010. Our firm has ever since shifted its focus more on the international arena and significantly expanded its client base in the last decade.

Always having a dynamic team with the brightest minds, our firm provides services on a global standard while maintaining direct partner involvement and flexibility to client demands in particular with our cost-sensitive pricing approach. 

Our firm offers one-stop shop services to international clients doing business in Turkiye, helping them from investment stage until their exit, both for complex transactions and day-to-day operations.

We provide services fluently in English and Turkish. We are highly experienced in working in other jurisdictions benefiting from our network of solution providers. Our lawyers are ready to take on high-level, sophisticated transactions anywhere in the world.

Most of our team has studied in prominent universities around the world including U.S.A. and U.K. Our partner Att. Erman Öncel and one of our counsels Att. A. Tuğçe Duman are also members of the New York State Bar. 

Our partner Att. A. Buğra Aydın is currently a lecturer of commercial law at Istanbul Medipol University School of Law.

Our firm is regarded as one of the leading Turkish law firms in employment law by Legal500 since 2016.

All information contained on this website have been provided for information purposes only and do not constitute advertisement, proposal or legal advice of any kind. All information may be subject to change without notice. Please contact us for a professional advice.
(+90) 212 246 11 19
(+90) 212 231 42 17
Maslak Mah. Ahi Evran Cad.
Polaris Plaza No:21 Kat:15 D:63
Sariyer-Istanbul, Turkiye