Firms To Watch: TMT

TMT in Hungary

BLB Legal Attorneys at Law

In July 2025, Tamás Bereczki, who specialises in data protection, cybersecurity and information security, and Adam Liber, who advises on Hungarian and EU data privacy law and international data transfers, left PROVARIS Varga & Partners to launch BLB Legal Attorneys at Law.

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Oppenheim Ugyvedi Iroda

Oppenheim Ugyvedi Iroda is recognised for its cross-sectoral TMT strength, advising broadcasters, telecoms, and digital innovators on the full spectrum of legal issues, including regulatory compliance, technology transactions, data protection, and AI-related mandates.

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CMS

The large and ‘outstanding’ TMT team at CMS handles the full breadth of technology, media, and communications matters with exceptional regional reach. The firm expertly advises on new technologies, including AI, fintech, and digital infrastructure. Veteran in TMT Dóra Petrányi leads the practice, with deep expertise in communications, media, and all types of regulatory matters. Ágnes Sólyom spearheads the growing film financing practice, and is ably supported by Katalin Horváth, who concentrates on financial services, AI, and IT. Eszter Csapó specialises in telecoms and media regulation, Márton Domokos focuses on IT law and data protection, and Péter Homoki provides extensive expertise in communications and cybersecurity regulation.

Praxisleiter:

Dóra Petrányi


Weitere Kernanwälte:

Katalin Horváth; Ágnes Sólyom; Márton Domokos; Eszter Csapó; Péter Homoki


Referenzen

‘The CMS TMT team in Hungary is outstanding. We’ve been working with them for more than ten years, and in that time, we’ve built a relationship where they really understand us and what we need. They also have one of the largest senior teams dedicated purely to TMT, which makes a big difference in such a fast-moving sector full of new regulations.‘

‘The people I work most closely with are Dóra Petrányi, Eszter Csapó and Péter Homoki. After more than fifteen years of working together, we understand each other’s way of thinking, which makes our collaboration seamless. Dóra stands out for her strategic vision — she brings clarity and confidence to every project, and has an incredible ability to anticipate challenges before they come up.‘

‚Eszter Csapó impresses me with her deep expertise in technology law and her solution-oriented approach; she has a real talent for breaking down complex issues into clear, actionable advice and always goes the extra mile. Péter Homoki is especially strong when it comes to keeping on top of regulatory developments, and what I particularly value is that he understands not just the legal side, but also the technical background — which is hugely important in our field.’

Kernmandanten

BP


Hungarian AI Coalition


Kyndryl Holdings, Inc


Magyar Telekom Plc.


IT Services Hungary


Microsoft, Microsoft Ireland Operations Ltd


OTP Bank Group, including OTP Bank


SimplePay Plc


HelloPay Plc


RTL Group


Samsung Electronics


Varonis


Vinted


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  • Advised Microsoft on a wide array of technology and commercial matters and their strategic projects for over a decade.
  • Supported the AI Coalition with its work, including, among other initiatives, the Hungarian implementation of the AI Act.
  • Acted for RTL Group in a wide array of technology and commercial matters and their strategic projects for over a decade.

DLA Piper Posztl, Nemescsói, Györfi-Tóth and Partners Law Firm

DLA Piper Posztl, Nemescsói, Györfi-Tóth and Partners Law Firm is a market leader in international film and TV production in the TMT space. The firm has an exceptional track record across all IP, production, and film financing-related legal work for major studios and producers. It also provides comprehensive advice on data protection and cybersecurity, including significant NIS2 compliance work. The team is co-led by Zoltán Kozma, who focuses on complex IT transactions, licensing, and cloud computing, and Mónika Horváth, a go-to expert for film financing. They are supported by Mariann Rajnai, specialising in motion picture production and media financing, Miklós Horváth, who routinely advises on general commercial, entertainment, and telecom matters, and Márk Almásy, who focuses on data protection, IT, and cybersecurity.

Praxisleiter:

Zoltán Kozma; Mónika Horváth


Weitere Kernanwälte:

Mariann Rajnai; Miklós Horváth; Márk Almásy


Referenzen

‚Excellent team of professionals, available, fast to react and provide answers, and help you take the right direction even when regulations are new, unclear, or not yet fully implemented.’

‘Special thanks to Zoltán Kozma and Miklós Horváth for their continuous, clear, pragmatic advice and availability. They are experts in cybersecurity matters and were very helpful in navigating the complexity of Hungarian legislation in this domain.’

Kernmandanten

BorgWarner Group


National Media and Infocommunications Authority


Rolls-Royce Hungary


AMPLIFON Magyarország


Unisys


MBH Bank


HUPX


Universal Television Emerald Productions LLC


PIONEER ORPHAN Kft


PIONEER STILLKING GREEN Kft


CP Film Productions Ltd. + HI HAT Films Kft


PIONEER STILLKING MARIA Kft – MARIA FILM LTD


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  • Assisted BorgWarner Group with its day-to-day global operations in all of its privacy-related matters, including vendor connections, intragroup and intracompany issues, and core business functions.
  • Advised a global technology solutions company with its main establishment in Hungary on the implementation of its EU-wide NIS2 compliance programme, in accordance with Hungary’s new cybersecurity legislation.
  • Assisted Pioneer Pictures Alkotói Kft, through its subsidiary Pioneer Orphan Kft, with the acquisition of the company owning the underlying rights to the script for the new motion picture “ORPHAN” by László Nemes Jeles.

Lakatos, Köves and Partners

Lakatos, Köves and Partners is a go-to firm in Hungary for complex, cross-border TMT matters, and the practice is also a longstanding leader in telecoms regulation. The firm delivers integrated regulatory support, combining expertise across telecoms, data protection, competition, and advertising law. They are pioneering work in frontier areas like OTT, IoT, and satellite communications, advising on new digital legislation, including the DSA and NIS2.  The department is co-led by founding partner Péter Lakatos, a veteran legal architect of Hungary’s liberalised telecom sector who leads strategic cross-border infrastructure and high-stakes compliance matters, and Iván Sólyom, a pre-eminent specialist in platform compliance and advanced telecoms regulatory strategy. They are supported by Nóra Szigeti, an adviser to global platforms on complex regulatory, consumer protection, and EU/Hungarian telecom law.

Praxisleiter:

Péter Lakatos; Iván Sólyom


Weitere Kernanwälte:

Nóra Sziget


Referenzen

‘Established, reliable, and experienced team with a long track record for building trust.’

‘My usual contacts are Iván Sólyom and Nóra Szigeti, both experienced and reliable professionals I have been working with for many years on matters.‘

Kernmandanten

PPF Group


Viasat Inc.


Zoom Voice Communications Inc.


Viber


Twilio


China Unicom (Europe) Operations Limited Magyarországi Fióktelepe


Vantage Towers Zrt. (Vodafone’s TowerCo)


Uber B.V.


Kepler Communication GmbH


Vienna Insurance Group


Mercedes Benz AG


Aston Martin Lagonda Ltd


Szentkirályi


TikTok


Audi AG


Allegro


Mars Magyarország Kisállateledel-gyártó Kft.


Tencent


Netfone


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  • Advised PPF Group on a series of landmark telecoms transactions involving sovereign investors, regulatory authorities, and cross-border infrastructure assets in Hungary.
  • Advised Mercedes-Benz on the telecoms and data protection implications of smart vehicle connectivity, including the regulatory classification of in-car communications services and associated compliance obligations under Hungarian and EU electronic communications law.
  • Acted for TikTok on advertising, corporate, and regulatory compliance matters in Hungary, including platform-based promotions, content standards, and obligations under telecom and media law, with ongoing support in regulatory engagement and local commercial structuring.

Siegler Bird & Bird Ügyvédi Iroda

The Budapest office of Siegler Bird & Bird Ügyvédi Iroda provides comprehensive TMT and regulatory advice, with a significant presence across the technology, data, and e-commerce sectors. The firm stands out for its high-calibre advice on cybersecurity compliance, becoming a go-to for companies seeking guidance on EU-wide NIS2 compliance strategy. The team provides continuous, high-value support for major mobile network operators, fast-growing SaaS tech start-ups, and advises on high-stakes regulatory issues across data protection, consumer, and telecoms law. The team is co-led by Bálint Halász, whose practice centres on IT and telecoms, and Ádám Simon, who advises on cross-border cybersecurity and high-value IT transactions. They are ably supported by Adél Gelencsér, who handles complex electronic communications regulation and engages directly with national media and telecoms authorities.

Praxisleiter:

Bálint Halász; Ádám Simon


Weitere Kernanwälte:

Adél Gelencsér


Referenzen

‘Our collaboration with the law firm advising on telecommunications law across the Central and Eastern European (CEE) region has been consistently positive.‘

‚What sets this practice apart is its responsiveness and precision—they deliver clear, actionable advice with impressive turnaround times, which is invaluable in a fast-moving regulatory landscape.’

‘The firm’s deep regional expertise, particularly in navigating complex frameworks, allows them to offer guidance that is both locally grounded and strategically aligned with EU-wide compliance standards.‘

Kernmandanten

Yettel


Bitrise


Viber


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  • Supported one of Hungary’s largest mobile network operators, Yettel, with data protection and IT commercial matters, offering guidance on a range of complex issues.
  • Supported the Bitrise internal legal team in navigating the rapidly changing and intricate legal challenges arising from the company’s SaaS business.
  • Represented a leading cross-platform messaging application provider, Viber, successfully during competition control proceedings by the Hungarian Competition Authority.

Szecskay Attorneys at Law

Szecskay Attorneys at Law is globally recognised for its exceptional expertise in advertising, media, and IP law, providing end-to-end support for major international advertisers across cross-border campaigns, digital promotions, and sweepstakes. The firm maintains a significant compliance practice, regularly advising major market players on regulatory and digital business matters, including high-volume contractual and compliance work in the telecoms sector. Its TMT scope also encompasses complex copyright work for streaming platforms and film financing. Co-head Anikó Keller routinely handles high-stakes transactional and regulatory TMT matters, while co-head Gusztáv Bacher focuses on IP portfolio management and technology-related M&A transactions. They are ably supported by Gábor Faludi, Jr., who excels in advertising and consumer protection law and regularly represents major companies before the Hungarian authorities.

Praxisleiter:

Anikó Keller; Gusztáv Bacher


Weitere Kernanwälte:

Gábor Faludi, Jr.


Referenzen

‘Szecskay Attorneys at Law’s TMT group is widely viewed as among the most accomplished and forward-thinking practices in Hungary.‘

‘Anikó Keller is consistently praised for her strategic insight, calm authority, and exceptional client care. She is known for blending a deep understanding of Hungarian and EU competition law with a keen commercial sense, making her a first call for challenging cases.‘

‚They combine deep technical expertise with an instinct for practical solutions, making them a trusted choice for complex domestic and cross-border matters. Clients and peers alike remark on the team’s ability to handle high-stakes work with calm precision.‘

Kernmandanten

One Hungary


ID & Trust


L’OREAL


Reckitt Benckiser


ART1ST DESIGN STUDIO LLC


Budapest Festival Orchestra


Netrisk


Bellozzo Kft.


Rueda Pictures Kft.


Fusion Zrt.


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  • Advised Netrisk, a major online insurance broker service provider, on their digital commercial communications, taking into account that Netrisk provides price comparison services as well as sells insurance from various insurance companies online.
  • Advising One Hungary on the compliance of their commercial communications on various surfaces, including commercial communications appearing online, outdoor, on POS materials, in social media, and on TV.
  • Advised the Budapest Festival Orchestra (listed among the 10 best orchestras in the world) on entering into a cooperation contract with Symphony, which is a new video streaming platform with a mission to build a viable streaming business around classical music.

Kinstellar Andrékó Ferenczi & Társai Ügyvédi Iroda

Kinstellar Andrékó Ferenczi & Társai Ügyvédi Iroda boasts a strong reputation in the TMT sector, with a demonstrably growing client base built on expertise in data privacy and regulatory counsel for major global operators. The firm is highly active across fintech M&A, e-mobility, and media, handling complex cross-border compliance, including NIS2 and whistleblowing procedures. The TMT department is led by Tímea Bana, a renowned expert in all aspects of media, telecoms, and entertainment law. Ákos Nagy ably supports clients with TMT-related M&A and complex telecom agreements. Dániel Endre Nagy  left the firm in August 2025.

Praxisleiter:

Tímea Bana


Weitere Kernanwälte:

Ákos Nagy


Kernmandanten

Vanguards Fashion Group Zrt.


SK Group


GrandVision Hungary Kft.


Parfümerie Douglas GmbH & Co. KG


Revolut Bank UAB


Cetelem


Thermo fisher


UFA Production


NVIDIA


BYD Auto


Warner Brothers Discovery


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  • Advised UFA Production on content production-related IP issues and data protection compliance, including continuous legal support on privacy matters, reviewing and drafting data protection clauses in contractual documentation, and advising on internal compliance processes, including data subject rights and retention practices.
  • Assisted Revolut with a region-wide survey on the local regulation and sanction called the ‚gambling block‘, which is a prohibition imposed on payment service providers to perform payment transactions to unauthorised gambling operators, required a regional analysis concerning Hungary, Czech Republic, Croatia, Bulgaria, and Slovakia.
  • Advised GrandVision on its ongoing marketing activities in Hungary on privacy issues related to direct marketing, online campaigns, and customer engagement practices.

Hegymegi-Barakonyi and Fehérváry Baker&McKenzie Attorneys-at-Law

Providing strategic, cross-border regulatory advice on complex TMT and IP-related matters is where Hegymegi-Barakonyi and Fehérváry Baker&McKenzie Attorneys-at-Law excels. The firm’s core strength lies in interpreting and applying new EU frameworks, including the DSA, NIS2, and AI Act, to highly technical sectors, such as satellite communications and telecoms. The team provides crucial support for M&A due diligence and technology licensing, where it mitigates compliance risks. The practice is led by data protection expert Csaba Vári, and also includes András Gaál, an expert in IP and innovative technologies, Mihály Egon Budai, who focuses on the intersection of IP and media, and Anna Howe, who assists with regulatory compliance and cross-border matters.

Praxisleiter:

Csaba Vári


Weitere Kernanwälte:

András Gaál; Mihály Egon Budai; Anna Howe


Kernmandanten

Magyar Gyermekonkológiai Hálózat (Hungarian Pediatric Oncology Network)


TikTok


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  • Advised a pro bono client, Magyar Gyermekonkológiai Hálózat (Hungarian Pediatric Oncology Network), on the contractual negotiations regarding the development of a major software that would be used by Hungarian Oncology Centres country-wide.

VJT & Partners

Drawing on extensive experience from high-profile transactions in the IT and telecoms sectors, VJT & Partners is a highly regarded TMT boutique well-known for its tremendous cross-border prowess. The firm is a leader in sophisticated advisory work spanning the full wave of new EU digital regulation and holistic support for NIS2 compliance and AI use cases. The department is co-led by János Tamás Varga, an expert in complex cross-border transactions, technology-related M&A, and the structuring of IT contracts involving AI solutions, and Endre Várady, who handles cross-border TMT matters and is regarded as a ‘true authority in data regulation’ across data protection, cybersecurity, and AI. The team is also supported by Andrea Belényi, who brings two decades of dedicated TMT regulatory experience.

Praxisleiter:

János Tamás Varga; Endre Várady


Weitere Kernanwälte:

Andrea Belényi


Referenzen

‚The work of János Tamás Varga was outstanding. With János, we were able to align on both strategic and detailed operational levels. He was capable of thinking from our perspective, highlighting genuine risks and offering viable solutions without the need to evaluate artificial risks. He is a legal advisor with a business and strategic mindset.’

‘I have worked with Andrea Belényi and Endre Várady. Both are enthusiastic professionals in their fields of specialisation. What I value in them is that they not only follow the change of legislation, but in client presentations they explain the logic of legislative requirements, which makes it easier for the clients to find the right way to adapt to it.’

‘The expert with whom our team is in constant contact is Endre Várady, a fantastic person and an excellent professional.‘

Kernmandanten

Google


Skechers


AutoWallis


Szentkirályi


OKX


Shapr3D


Keter


Lenovo


NN


Brusnwick Bowling


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  • Advised Google on the launch of Gemini (AI chatbot).
  • Advised Google on RTBF (Right to Be Forgotten) matters.

PROVARIS Varga & Partners

PROVARIS Varga & Partners is a specialist firm focused on technology, privacy, and digital regulation. The team is a go-to adviser for complex, high-stakes mandates under NIS2, DORA, and the AI Act, and is often retained by leading financial institutions and public sector actors for regulatory transformation and digital infrastructure matters. The team also supports high-profile media and international events. The TMT group is led by Zsombor Orbán, whose practice encompasses data privacy, TMT, and IP law. He is joined by Zoltán Herce, who has brought substantial fintech and regulatory experience since joining in May 2025.

Praxisleiter:

Zsombor Orbán


Weitere Kernanwälte:

Zoltán Herce


Referenzen

‘The practice combines strong expertise in data protection, cybersecurity, and technology law with a pragmatic, business-oriented approach. It is equally skilled in cross-border compliance projects (GDPR, NIS2, DORA) and technology transactions, advising leading clients in banking, pharma, manufacturing, and telecoms.‘

‚A key differentiator is the team’s Big Four experience, which ensures structured project management and international-standard regulatory insight, delivered with the agility of a specialised firm.‘

‘Zsombor Orbán is a top data privacy expert with a deep understanding of our business and technology. We enjoy working with him because he immediately grasps our challenges and provides practical solutions for our innovative products.‘

Kernmandanten

PFR GROUP Hungary Kft.


DTKH Duna-Tisza közi Hulladékgazdálkodási Nonprofit Kft.


MSK Hungary Bt.


GRÁNIT Bank Nyrt.


Nestlé Hungária Kft


Meiji Rubber Europe ZRt.


Revolut Bank UAB


HHE Trans Kft. – Aspect Energy LLC


Powertica Commodities AG


Leanpay Hungary Zrt.


Highlight-Mandate


  • Supported PFR Group Hungary Kft. with the 2025 Budapest comeback fight of Tommy Fury, one of the largest international sports media events held in Hungary. The work included end-to-end legal support for the Term Sheet with Tommy Fury Media Ltd and a complex Commercial Agent Agreement covering sponsorship, media, and endorsement rights, with cross-border structuring compliant with UK and EU law.
  • Advised GRÁNIT Bank Group, a leading digital bank listed on the Budapest Stock Exchange, on launching one of Hungary’s first full-scope DORA compliance programmes, which included leading on a two-phase project covering regulatory gap analysis, ICT risk and resilience assessments, outsourcing reviews, and the development of internal policies and asset registries, in close collaboration with a GRC advisory partner.
  • Advised on Hungary’s HUNOR space programme and digital public infrastructure rollout, which included providing legal support to the national HUNOR space programme, including IP structuring, international collaboration contracts, dual-use compliance, and technology transfer governance.

Wolf Theiss Faludi Ügyvédi Iroda

Wolf Theiss Faludi Ügyvédi Iroda's TMT team is part of the firm's wider IP and IT practice and is well-known for its strong multijurisdictional work. The practice excels in cross-border data protection, IT outsourcing projects, and high-stakes telecoms transactions, including M&A and regulatory compliance for service providers. The team is led by János Tóth, who handles transactional and commercial matters, focusing on licensing, distribution, and outsourcing. Other key members include Norbert Bálint, who advises global software companies and start-ups on M&A transactions, and Péter Ihász, whose expertise spans IP, data protection, and consumer regulatory compliance.

Praxisleiter:

János Tóth


Weitere Kernanwälte:

Norbert Bálint; Péter Ihász


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  • Advised DIGI Távközlési és Szolgáltató Kft., a telecommunications subsidiary of 4iG Group, on acquiring the Hungarian satellite customer base of Canal+, branded as Direct One.
  • Advised NFON GmbH, a European company specialising in cloud-based communication solutions, on the course of their regulatory reporting requirements as a telecommunication service provider in Hungary.