
Mitrani Caballero advises local and international clients on complex deals and projects in Argentina’s oil and gas sector. The team handles a broad range of matters, including the sale of exploration permits, the development of natural gas pipelines, and the negotiation of pre-payment agreements for future oil production. Practice head Mariana Ardizzone has an ‘in-depth understanding’ of the structuring of cross-border pipeline and power generation projects. Public law expert Horacio Ruiz Moreno and corporate lawyer María Recondo regularly assist with acquisitions and public and private bids in the oil and gas industry. Banking and corporate specialist Julio Martínez brings financing knowledge to the team. Senior associates Bruno Fiorino and Fiorella Belsito focus on M&A and asset transfers.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Very timely responses and commitment.'
- 'Mariana Ardizzone is reliable, knowledgeable and business-oriented with an in-depth understanding of the oil and gas industry.'
- 'A firm with solid experience and practice in corporate and business law, with extensive expertise in the energy sector.'
- 'Mariana Ardizzone has solid and in-depth knowledge of the energy industry, making her a leader in the Argentine and Latin American markets for global clients.'
Key clients
- Servicom Argentina
- Explorador Capital Management
- Energia Argentina - ENARSA
- Trafigura
- Pluspetrol Energy
- LNG Energy Group Corp.
- CEG – Challenger Energy Group
- Chevron Argentina
- Antivari
- Echo Energy
- Endriven
- ENI/AGIP
- Geopark Limited
- KCA Deutag
- Novum Energy Trading Corp.
- Oil Field Services
- Raízen Combustiveis
- Roch
- Saudi Aramco
- Sol Energy
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Mariana Ardizzone
Other key lawyers
Horacio Ruiz Moreno; María Recondo; Julio Martínez; Bruno Fiorino; Fiorella Belsito
