Oppenheim Ugyvedi Iroda specialises in all areas of antitrust law, from cartel investigations to state aid matters. They also handle merger clearance cases before the Hungarian Competition Authority. The team is jointly led by István Szatmáry, who brings over two decades of experience in competition law, and Péter Virág, who focuses on merger notifications, state aid advice and consumer protection investigations.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Sector knowledge

Testimonials

Collated independently by Legal 500 research team.

  • 'The team is super-focused, attentive to customer needs, and consists of experts in various legal areas. Their innovative approach was embodied by the way how they managed an unprecedented legal project.'
  • 'Peter Virag has expertise in antitrust law and his business acumen resulted in an outstandingly high-quality outcome.'
  • 'Istvan Szathmary is helpful, understands how our company works, has extremely deep knowledge of competition law, knows the answer to every legal question immediately, including the internal regulations of the competition authority.'
  • 'Oppenheim stands out among Hungarian law firms for its combination of international standards and deep local expertise.'
  • 'The team is known for delivering clear, practical advice that clients can easily understand and act upon, even in highly complex legal matters.'
  • 'The team's strengths lie in their strong commercial mindset, responsiveness, and ability to translate legal frameworks into business-oriented solutions.'

Key clients

  • Airport Service Budapest / Menzies Aviation Limited
  • Portfolion (OTP Bank Group)
  • Notino s.r.o.
  • Centerstahl Ltd.
  • GB & Partners Venture Capital Fund Management Ltd. / ASURA
  • MagNet Bank

Work highlights

Advised Airport Services/Menzies on the competition law aspects of a transaction, including Phase II. merger clearance advice and structuring the transaction.
Advising Notino sro. in the consumer protection investigation initiated by the Hungarian Competition Authority.
Advised MagnetBank in the merger clearance process of the acquisition of Polgári Bank.

Lawyers

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

Istvan Szatmáry; Peter Virág