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.

"He is a highly knowledgeable and sophisticated lawyer."

Chambers Global 2023, Dispute Resolution


"The team at Szecskay are well organised, flexible and responsive. On top of that, their legal analysis is very on point and they do not give up easily - they are always looking for creative arguments and solutions."

Chambers Global 2023, Dispute Resolution


"This has been our preferred firm for competition litigation for many years and has so far not disappointed us. They provide excellent support and very strategic advice. They are amongst the best firms I have worked with in Europe."

Legal500 2023, Dispute Resolution


"The team is reliable, providing excellent service and in the past 20 years always delivered the required results. I would like to mention György Wellmann who is extremely smart and providing top notch service."

Legal500 2022, Dispute Resolution


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

Legal500 2021, 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 2021, Dispute Resolution





  • Legal500, 2023, Dispute Resolution (Individual Ranking): Next Generation Partner
  • Legal500, 2015 - 2023, Dispute Resolution (Team): Tier 1


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


Landmark ICSID award against Hungary

08. 02. 2019. András Szecskay, György Wellmann

Landmark ICSID award against Hungary

icon 08. 02. 2019. icon András Szecskay , György Wellmann 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)