György Wellmann primarily focuses on Dispute Resolution and Public Procurement. He advises and represents clients in major international (ICC, ICSID) and Hungarian arbitrations, as well as in court proceedings. György also has extensive experience in public procurement matters and regularly represents clients before the Public Arbitration Board. He heads the firm’s Public Procurement Law practice.  


He has represented several major international design companies in public procurement proceedings related to landmark sites and buildings in Budapest. He is particularly known for his involvement in landmark ICSID cases where he has represented a variety of investors against the Hungarian State.


Apart from his dispute resolution and public procurement work, György’s expertise also covers areas such as real estate law and the capital markets sector.


He is fluent in English.

"György Wellmann and Miklós Boronkay “radiate” professionalism and commitment."

Legal500, Dispute Resolution


"The work with the team at Szecskay is one of the highlights in our professional life. Their strengths are creativity, proactivity and readiness for flexible solutions. They do not understand the word ‘impossible’, they are always eager to find something new, something not tried."

Legal500, Dispute Resolution


"The Szecskay team consists of top litigators. They are very creative, always come up with new ideas and think out-of-the box. I would clearly recommend them for the most complex litigation in Hungarian courts."

Legal500 2021, Dispute Resolution


"A shrewd business mind and the toughness required to be an excellent litigation lawyer."

Chambers Global, 2021, Dispute Resolution


The team’s "answers to our questions are clear and to the point, and the lawyers anticipate well the potential next steps of the lawsuits."

They are "very knowledgeable, very helpful, available and very reassuring."

Chambers Europe, 2021, Dispute Resolution Department


György Wellmann offers "excellent client service," and demonstrates a "calm approach combined with logic and practical knowledge," He is praised for being "experienced, well prepared, well read and thorough." 

Chambers Europe, 2020, Dispute Resolution


Clients praise the firm's "customer-oriented" lawyers, who have "great communication towards the client and excellent availability."

Chambers Europe, 2019, Dispute Resolution Department


"They work precisely, always keeping the deadlines, and the product quality is excellent."

Chambers Europe, 2019, Dispute Resolution Department




  • Chambers Global & Europe, 2023 - 2015, Dispute Resolution: Band 1
  • Chambers Global & Europe, 2023, Dispute Resolution (Individual Ranking): Band 3

  • Legal500, 2022 - 2018, Dispute Resolution (Individual Ranking): Rising Star
  • Legal500, 2022 - 2015, Dispute Resolution: Tier 1

Landmark ICSID award against Hungary

08. 02. 2019. György Wellmann, András Szecskay

Landmark ICSID award against Hungary

icon 08. 02. 2019. icon György Wellmann , András Szecskay icon Dispute Resolution

Bar Memberships:


  • Budapest Bar Association (since 2013)


Other professional memberships:


  • International Association of Young Lawyers  (AIJA)
  • Austrian Arbitration Association (ArbAut)
  • Young Austrian Arbitration Practitioners (YAAP)
  • J.D., Eötvös Loránd University, Faculty of Law (2009, cum laude)