Competition

Siegler Bird & Bird Ügyvédi Iroda

Client Satisfaction

Siegler Bird & Bird Ügyvédi Iroda’s competition and EU law team deliver comprehensive advice across Hungary and the EU, offering tailored support in compliance, disputes and investigations to align with clients’ strategic objectives. The team handles matters of all sizes and complexity, including leniency applications, merger filings, antitrust issues, unfair commercial practices and cross-border cases. Led by Dániel Arányi, an experienced practitioner in competition law disputes before the Hungarian Competition Authority, courts and the European Commission, the team is bolstered by László Zlatarov, known for his multi-jurisdictional expertise and regulatory insights, and Gábor Kutai, who excels in complex competition matters and litigation.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘Working with Siegler Bird & Bird Ügyvédi Iroda was a great choice. They approached all our requests constructively and supportively, taking into account our business needs. Their reliability is further proven by the fact that they completed all tasks accurately and ahead of schedule. In addition to their professional legal work, their business-minded approach was outstanding, which was a great help in our work.’
‘They were very constructive, and they helped explain the more complex legal situations so that our company could make the right business decision.’
‘I highly recommend the competition team as a top choice for high-stakes matters. They have become trusted advisors to our business. They responded promptly to inquiries and were always accessible.’
‘Dániel Arányi is a highly respected competition lawyer with a client-oriented mindset.'
'Gábor Kutai always demonstrates a thorough understanding of legal matters and handles tough questions with professional excellence.’
‘The competition team’s lawyers consistently demonstrate exceptional dedication and diligence. Their provision of accurate, comprehensive information and client service is unparalleled. They are highly responsive, client-focused and adept at understanding our priorities. We consistently experience VIP-level service, characterised by first-class support and clear, concise solutions to complex challenges. The team’s deep legal knowledge, unwavering commitment to our interests, and alignment with our corporate values are commendable.’
‘With a strong background in competition and regulatory law, Dániel Arányi brings extensive experience to the oil and gas industry. His solution-oriented approach, coupled with timely advice and proactive problem-solving, make him an invaluable asset. A highly skilled and hands-on lawyer, he consistently delivers exceptional results.'
'Gábor Kutai is exceptionally well-prepared and meticulous in his attention to detail. We have complete confidence in his abilities. His technical expertise is outstanding, and his support is invaluable. A highly reliable and practical advisor, he is always there when we need him.’

Key clients

Viber
OTP Bank
MOL
Sió-Eckes
be2 S.à.rl
Széchenyi Funds
Heineken
SSMETIS/CSERBURG
OTP
Alteo

Work highlights

Represented the leading cross-platform messaging application developer, Viber, in the competition control proceedings of the GVH for the alleged infringement of unfair business-to-consumer commercial practices, the investigation of which was concluded with a commitment regarding the domestic service, without the authority finding an infringement or lack of infringement.
Representing a brewery in Hungary in a GVH investigation in connection with the ban on exclusivity agreements with HoReCa sector (hotels, restaurants and cafés) outlets regarding beer and other beverages.
Advised a Hungarian group of companies active in leasing properties and operating fast food chains on the joint acquisition of two target companies leasing commercial space to SPAR.