Siegler Bird & Bird Ügyvédi Iroda assists clients with compliance, disputes, and investigations, covering leniency applications, merger filings, antitrust matters, unfair commercial practices, and preparation of complaints. Dániel Arányi leads the team, representing clients on unfair competition and merger clearance cases before the Hungarian Competition Authority and the European Commission. László Zlatarov specialises in EU competition law, advising clients on exclusivity arrangements, pricing practices, and cooperation agreements. Another key team member is Gábor Kutai, who assists with the competition aspects of horizontal and vertical commercial agreements, data screening, internal investigations, and compliance matters.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- 'Deep and up-to-date understanding of relevant regulations, policies. Stable stakeholder management with the relevant authorities.'
- 'Their holistic approach ensures our most sensitive commercial information is handled with exceptional care while delivering the thorough, strategic solutions that have made them our go-to counsel for complex competition challenges over many years.'
- 'The competition practice at Bird & Bird stands out for their deep understanding of energy sector dynamics and their ability to navigate the intricate interplay between competition law and energy regulation that defines our industry.'
- 'The team aim to understand the client's real business issues and context.'
- 'Gábor Kutai's meticulous preparation and exceptional attention to detail give us complete confidence in navigating even the most complex competition law issues. His outstanding technical knowledge combined with his practical, reliable counsel ensures we always have the support we need when critical matters arise.'
- 'Dániel Arányi's deep expertise in competition and regulatory matters, particularly within the energy sector, consistently delivers practical solutions that align with our commercial objectives. His proactive approach and ability to provide timely, strategic advice during complex regulatory challenges makes him an indispensable partner to our business.'
Key clients
- ALTEO
- OTP Bank
- MOL
- Heineken
- TEVA
- Sió-Eckes
- SSMETIS/CSERBURG
- Iron Mountain
Work highlights
Represented a brewery in Hungary, owned by Heineken, in the court challenge of the GVH resolution in connection with the ban on exclusivity agreements with HoReCa sector (hotels, restaurants and cafés) outlets regarding beer and other beverages.
Advising MOL on the acquisition of Budapest University of Technology and Economics (BME) from the Hungarian State, a transaction GVH has approved the transaction in a fast-track procedure within 4 days from submission.
Continued to advise on the competition law aspects of the day-to-day operations of Sió-Eckes in the areas of commercial contracts and marketing.
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.
Practice head
Dániel Arányi
Other key lawyers
László Zlatarov; Gábor Kutai