
Hegymegi-Barakonyi and Fehérváry Baker&McKenzie Attorneys-at-Law's competition and antitrust team is highly active, managing significant investigations before the Hungarian competition authority and high-stakes antitrust cases. It frequently represents clients in merger notifications and investigations before the European Commission, and litigation before the European Courts in Luxembourg. The team acts as a hub for coordinating high-profile antitrust matters across the CEE region, with deep expertise in the energy, automotive, banking, pharmaceuticals and retail sectors. Co-head Zoltán Hegymegi-Barakonyi advises on competition compliance and represents major Hungarian and international clients in multiple industries. Co-head Márton Horányi specialises in state aid and EU law. András Horváth and Péter Mezei further strengthen the team with expertise across the automotive, energy and retail sectors.
Testimonials
Collated independently by Legal 500 research team.
‘We have been working together for more than 15 years. During this time, they got to know our inner processes and motivation very clearly, which helps to work together effectively. They have deep sectorial knowledge as well, so we don't have to explain the insider issues. They are very proactive and engaged with us. I have the best opinion that can be.’
‘Zoltán Barakonyi and András Horváth are my direct contacts. They have deep professional knowledge and also wide sectorial and professional experience, so I can be sure they give us useful and accurate advice.'
‘The team is highly professional and provides quick and tailor-made advice. The ability of the team to understand retail-related issues fast and find the best solution to perform a risk analysis is unique.’
‘Zoltán Hegymegi-Barakonyi and Márton Horányi are exceptional lawyers. Their know-how and legal knowledge is special. We work together on various issues, such as antitrust cases and marketing advising, and we are very satisfied.’
‘Great team, which consists of highly professional individuals. They have one of the best capacity resources across Hungary.’
‘Very good professionals who have good business acumen. Their client management is exceptional.’
‘The team has an extensive knowledge of the industry and operates on the highest level of professionalism. This deep expertise helps to provide practical solutions for the client.’
‘Engaged and highly competent.’
Key clients
- Booking.com
- MOL Plc.
- K&H Bank
- EU-Solar Plc.
- Adecco, Grafton
- Richter
- Temu
- Grand Automotive
- Lidl
- TikTok
Work highlights
- Represented Booking.com in an unfair commercial practices investigation by the Hungarian Competition Authority.
- Advised MOL Plc. on the acquisition of OMV Slovenia and assisted MOL in negotiating remedies with the European Commission.
- Representing K&H in a cartel litigation relating to the decision of the HCA in the Hungarian MIF (multilateral interchange fee) case.
Lawyers

Practice head
The lawyer(s) leading their teams.
Márton Horányi, Zoltán Hegymegi-Barakonyi