Department profile
Martinez de Hoz & Rueda

Dispute Resolution: Most in Demand Arbitrators

Global Guide 2026 : Argentina


Martinez de Hoz & Rueda

Rankings

About

Provided by Martinez de Hoz & Rueda

MHR represents clients in high-stakes and complex disputes, frequently involving sophisticated business transactions, multiple parties and contracts, parallel proceedings, and different laws and jurisdictions.

MHR’s team has developed an unparalleled practice in international commercial arbitration and investment arbitration under different arbitration rules and in different seats. It also has vast experience in litigation before local courts, from the first instance to the Supreme Court.

The co-heads of the dispute settlement practice also act as arbitrators. 

Recent work highlights include:

  • The representation of a major U.S. oil company in its defense against the enforcement efforts in Argentina of a USD 8.6 billion Ecuadorian judgment.
  • The representation of the largest Argentine natural gas producer and exporter in a USD 1.4 billion ICC arbitration related to natural gas export and transportation agreements.
  • The representation of the Italian bondholders in an ICSID arbitration against the Argentine Republic.
  • The representation of a large biodiesel fuel producer in an ICC arbitration initiated by a Spanish contractor regarding a construction contract for a biodiesel plant.
  • The representation of El Paso Corporation in an ICSID arbitration against the Argentine Republic. 
  • The representation of two ExxonMobil subsidiaries in an ICSID arbitration against the Argentine Republic.

Clients (18)

  • Accor
  • Basketball International Federation
  • British American Tobacco
  • British Petroleum
  • Chevron
  • El Paso
  • Enersis
  • Exxon Mobil
  • Gramercy
  • Hisense
  • JHP
  • Jinko Solar
  • Pan American Energy
  • RGA Reinsurance Group of America
  • Sinopec
  • Task Force Argentina
  • Wintershall
  • YPF

Industries (12)

  • Energy
  • Oil & Gas
  • Construction
  • Foreign Investment
  • Mining
  • Banking
  • Financial Services
  • Insurance
  • Telecommunications
  • Transportation
  • Technology
  • Sports

Chambers Review

Provided by Chambers

Dispute Resolution: Most in Demand Arbitrators - Argentina


What the Team is Known For

Martinez de Hoz & Rueda has a solid dispute resolution practice within a well-known regulatory boutique. The team is particularly skilled at advising household names in the oil and gas industry on a range of conflicts, including commercial litigation and arbitration proceedings. It regularly acts on arbitral proceedings under ICSID, ICC and UNCITRAL rules.

Strengths

Provided by Chambers

  • Martinez de Hoz & Rueda is thorough in its casework, well prepared, highly proactive and responsive.

    Dispute Resolution: Most in Demand Arbitrators respondentGlobal

Notable Practitioners

Provided by Chambers

  • Band 1José Martínez de Hoz Jr
    Band 1José Martínez de Hoz Jr

    José Martínez de Hoz Jr

    José Martínez de Hoz Jr is widely regarded as an authority in the arbitration field and recognised as one of the most in-demand arbitrators in Argentina.
    • José Martínez de Hoz Jr is the ideal lawyer for complex cases thanks to his extensive expertise, sharp critical thinking and outstanding client service.

      Dispute Resolution: Most in Demand Arbitrators respondentGlobal
    • José Martínez de Hoz Jr is an exceptional arbitrator with a brilliant mind; he is capable of grasping even the most complex issues in the shortest possible time.

      Dispute Resolution: Most in Demand Arbitrators respondentGlobal
  • Band 4Francisco Amallo
    Band 4Francisco Amallo

    Francisco Amallo

    Noted partner and co-head of department Francisco Amallo frequently assists clients with energy-related disputes, commercial litigation and arbitration proceedings.

    • Francisco Amallo is a very talented lawyer who is well versed in arbitration.

      Dispute Resolution: Most in Demand Arbitrators respondentGlobal

Ranked Individuals at Martinez de Hoz & Rueda (2)

Argentina

  • Profile image of José Martínez de Hoz Jr

    José Martínez de Hoz Jr

    Dispute Resolution: Most in Demand Arbitrators

    View profile

Members

Provided by Martinez de Hoz & Rueda

Martinez de Hoz & Rueda has rankings in the following guides

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