Öncel, Aydin & Uygun Attorney Partnership > Istanbul, Turkey > Firm Profile

Öncel, Aydin & Uygun Attorney Partnership

Turkey > Employment Tier 4

The practice at Öncel, Aydin & Uygun Attorney Partnership is known for combining its daily retainer services with employment-related litigation expertise. Buğra Aydın and Erman Öncel head the team, which handles daily matters ranging from preparation of HR documents to dismissal and termination procedures, and acts for clients in disputes and mediation procedures.

Practice head(s):

Buğra Aydın; Erman Öncel


‘The team always provided responses to our queries in a timely manner and were available whenever we needed to contact them.’

‘Efficiency in handling urgent matters.’

‘Great knowledge about what they are doing.’

‘Quickly understanding the business and guiding us in an effective way. Fast responses time and pro-active in new laws which might effect our business.’

‘Buğra is very responsive and excellent in his knowledge about the law and business practice. He guides you and gives very relevant advice.’

Key clients

Flender AG

Yargıcı Konfeksiyon İhracat ve Ticaret A.Ş.

GlaxoSmithKline plc

Vertiv Co

Geberit AG

Al Jazeera Media Network

Stryker Corporation

Saralle Group

Page Group (Michael Page)

Persan Tekstil

Nidec Corporation

Seger Horns

GÜBRETAŞ (Gübre Fabrikaları Türk A.Ş.)

Work highlights

  • Advised Vertiv Co on several top management dismissal and termination procedures.
  • Representing GlaxoSmithKline before employment courts, fine-tuning HR practices to the new judicial and legal developments.
  • Advised Michaelpage on the restructuring of HR and employment practices and sets of employment law documents.

The firm: Öncel, Aydın & Uygun Attorney Partnership (OAULegal) is a team of highly dedicated lawyers who are ready to take on the toughest legal challenges in Turkey and around the world, serving clients with top quality legal services.

OAULegal was originally founded in 1973 by Att. E. Sefa Öncel and has been serving local and international clients uninterruptedly for almost 50 years. Coming to its current structure with the addition of second-generation partners around 2010, the firm has ever since shifted its focus more on the international arena and significantly expanded its client base.

Always having a selected team of the brightest minds that benefit from a decades of know-how, OAULegal provides top quality services on a global standard while being able to maintain direct partner involvement and flexibility to client demands.

Areas of practice:  OAULegal is a full-service law firm serving local and international clients in Turkey and around the world. The firm’s focused practices are M&A, foreign investment, competition, compliance, regulatory, corporate, retainer, secondment and corporate bookkeeping, dispute resolution, labor, tax and administrative law.

The firm’s focused industries are sectors such as IT, telecommunications, fin-tech, pharmaceuticals, healthcare, real-estate, media, maritime, automotive, FMCG, cement, mining, tourism, manufacturing and industrial solutions.

OAULegal offers one-stop shop services to international clients doing business in Turkey, helping them from the investment stage until their exit, both in terms of complex transaction and day-to-day operations.

Head of M&A/Corporate and Employment Departments Erman Öncelerman.oncel@oaulegal.com
Head of Competition, Compliance and Employment Departments A. Buğra Aydınbugra.aydin@oaulegal.com
Head of Retainer Department Cemal Umut Uyguncemal.uygun@oaulegal.com
Head of Litigation and Debt Collection Departments E. Sefa Öncelsefa.oncel@oaulegal.com
Number of lawyers : 20
New York Bar
Istanbul Bar and Turkish Bar Association