Drawing on its international network and boasting a clientele of key sector players, CMS is described as playing a ‘dominant role in the Hungarian TMT market’. The practice fields niche, sector-specific experts, and the firm’s dedicated data protection and cybersecurity team advises on emerging technologies, such as platformisation and digital infrastructure. Dóra Petrányi leads the team. Katalin Horváth is an IP and software law expert, counting banks, fintech and IT companies among her clients. Márton Domokos coordinates the firm’s CEE data protection group, and his practice covers AI and e-commerce law. Leveraging her established reputation as a media and telecoms expert, Eszter Csapó advises on licensing, advertising and commercial matters. Miklós Boros has built up his practice over more than 10 years, and is now instructed by a diverse roster of key TMT players. As a native German and Hungarian speaker, Gábor Tóth strengthens the team’s international capabilities. Gábor Bertók and Ágnes Sólyom also play active roles in the team.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Great knowledge of international regulations and practices. Quickly adapting the latest technology innovations and catching up with their legal requirements.’

  • ‘They are able to think out of the box and think together with the client to find the best solution. Always standing up for their clients.’

  • ‘I have been working with the TMT group at CMS, I find their level of expertise outstanding, their performance is timely and always to a high standard. ’

  • ‘I believe that their team undertakes a dominant role in the Hungarian TMT market. The CMS team aims to deliver “just in time” advice, considering the most optimal channels for us. Beyond that, they also provide a great variety of portals and platforms, such as the CMS Collaborate, for more efficient support.'

  • ‘We work together with Dóra Petrányi, who has notable experience in media distribution and licence agreements, advertising legislation and data protection matters. Moreover, she is one of the most significant figures in the TMT market, with extraordinary experience and outstanding knowledge. Eszter Csapó has very valuable expertise and knowledge in licensing, advertising and commercial matters which boosts our cooperation, underlining her commitment to understanding our business needs and offering tailored solutions for our requirements.’

  • ‘The team are responsive, professional, yet personable. I can trust that I will receive a response promptly and it will be well defined. We find them dynamic and open-minded when determining the best solution.’

  • ‘I work with Ágnes Sólyom closely and she is honest and reliable. There have been occasions where something has been received outside of the CMS remit, and she uses her knowledge of the service to direct them in a way that they can proceed, rather than a simple reply.’

  • ‘Responsive, adaptive and supportive with tech solutions to support our business. Could not be more helpful.'

Key clients

  • Microsoft Hungary
  • 4iG
  • BP
  • Hungarian AI Coalition
  • Kyndryl Holdings, Inc
  • Samsung Electronics
  • RTL Group
  • Magyar Telekom Plc., IT Services Hungary
  • OTP Mobile
  • Wizz Air, Trifast, Telefonica

Work highlights

  • Advised 4iG and Corvinus on the €1.67bn acquisition of Vodafone Hungary.
  • Advising Microsoft on a wide array of technology and commercial matters, including strategic projects.
  • Advising RTL Group on a wide array of technology and commercial matters, including strategic projects.

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading associates
Rising stars with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Practice head

The lawyer(s) leading their teams.

Dóra Petrányi

Other key lawyers

Katalin Horváth, Ágnes Sólyom, Márton Domokos, Eszter Csapó, Gábor Tóth, Miklós Boros, Gábor Bertók