Oppenheim Ugyvedi Iroda
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Oppenheim Ugyvedi Iroda represents domestic and international banks, alongside other lenders, in relation to financial transactions, as well as advising borrowing in relation to the financing of oil and gas projects in Hungary. The team are also called to assist with complex syndicated and cross-border financing matters. Practice head Péter Horvai-Hillenbrand brings over 20 years of experience to the team, advising on complex financial transactions, with particular experience in energy financing and syndicated deals. Gergely Szécsényi handles high-value deals, including cross-border financing.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Great team, very commercially minded and self-starting.
- What makes the individuals I work with truly stand out is their combination of professionalism, humility, and a genuine commitment to client success. Partners like Peter Horvai-Hillenbrand consistently bring strategic clarity to complex matters, while associates such as Gergely Szécsényi impress with their responsiveness, attention to detail, and ability to work seamlessly across jurisdictions—qualities that are rare even among top-tier firms and have made a real difference in our collaborations.
Key clients
- CIB Bank
- EXIM Bank
Work highlights
Advised HUSA on the financing of the purchase of the special gas reserves of Hungary through a syndicated facility agreement with a banking consortium and the amendments and extension of such financing (ticket size above EUR 2bn).


