CMS‘ antitrust, competition and trade practice offers comprehensive advice on all aspects of competition law, distinguishing itself by also handling state aid, public procurement and private damages actions, areas often overlooked by other practices. The team is experienced in merger control, antitrust compliance, market investigations, unfair competition and consumer protection. Szabolcs Szendrő, head of the team, brings a wealth of expertise from his tenure as chief legal counsel of the Hungarian Competition Authority’s merger division, where he led investigations and contributed to regulatory reforms. Dóra Petrányi specialises in cartel investigations, merger control, and abuse of dominance cases, including state aid matters. Aranka Nagy is active in both domestic and cross-border mergers, cartel investigations, and EU-level cases, while Zsófia Tari brings deep experience in cartels, vertical agreements, and abuse of dominance investigations.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The competition law team of CMS is very highly professional. They closely monitor the market in Hungary and on the EU level, too. Besides the support in individual cases, they are very supportive of giving training for different colleagues in our company.'
  • 'We have been extremely satisfied with the competition law team. Their standout strengths lies in their strategic approach and deep understanding of both the legal landscape and our business operations. They successfully defended us in a complex competition authority investigation, achieving a favourable outcome. Moreover, their ability to influence legislative change through the constitutional court demonstrates their expertise and forward-thinking approach. Communication is always clear, efficient, and directly to the point, which greatly enhances our working relationship and ensures results.'
  • 'Szabolcs Szendrő leads the team with remarkable expertise, combining sharp legal insights with a deep understanding of the commercial implications for our business. His strategic guidance was crucial in navigating the investigation and driving our success in the constitutional court. Aranka Nagy provided invaluable support throughout the case. Her meticulous attention to detail and insights into the process ensured smooth coordination and efficient handling of all aspects, allowing us to remain confident at every step of the process.'
  • 'I have been extremely impressed with the CMS competition team and their unparalleled expertise. What sets them apart is their deep understanding of both local and EU competition laws, combined with a proactive and solutions-driven approach. They consistently deliver strategic advice tailored to our specific needs, ensuring compliance while mitigating risks. The team's collaborative nature, attention to detail, and thorough knowledge have been invaluable in navigating complex competition matters.'
  • 'What truly sets Szabolcs Szendrő apart is his deep understanding of competition law, coupled with a strategic mindset that never fails to deliver results. His ability to simplify complex legal issues and provide clear, actionable advice has been invaluable to us. Szabolcs consistently demonstrates a proactive approach, anticipating potential challenges and preparing us for every scenario. His professionalism, attention to detail, and dedication make him a trusted partner in navigating regulatory landscapes.'
  • 'CMS Hungary understands the legal and business correlations of complex and sophisticated competition matters, and they are able to provide useful, complex yet business-focused advice.'
  • 'Due to the very large number of transactions the team handles, the team is experienced in the widest range of competition issues one may come across. The team combines experiences as a former competition office officer, international/EU experience and commercial lawyer experience, which helps to provide solutions meeting hardcore regulatory requirements but, at the same time, market conform.'
  • 'CMS' competition practice consists of seasoned competition lawyers who are always providing our company with valuable, effective and timely legal advice. They successfully defended our company's standpoint in front of authorities.'

Key clients

  • Microsoft
  • Magyar RTL Television
  • Coca-Cola (Coca-Cola HBC Hungary)
  • MOL
  • OTP Bank
  • ALDI Hungary
  • Viagogo
  • Airbnb
  • Johnson&Johnson
  • AmRest, the operator of KFC restaurants

Work highlights

  • Provided complex merger clearance support to Corvinus Zrt., the investment company of the Hungarian state, concerning the acquisition of Budapest Airport by Corvinus together with French-based multinational airport operator VINCI Airports.
  • Representing AmRest, the Hungarian subsidiary of the AmRest Group, the operator of Kentucky Fried Chicken (KFC) restaurants in Hungary, concerning a competition control procedure initiated by the HCA in December 2021.
  • Assisted the Hungarian branch of German retailer ALDI in competition control proceedings launched by the HCA.

Lawyers

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Dóra Petrányi
Hall of fameCMS
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Szabolcs Szendrő
CMS

Practice head

The lawyer(s) leading their teams.

Szabolcs Szendrő

Other key lawyers

Dóra Petrányi, Aranka Nagy, Zsófia Tari