Major players from the mining, natural resources and energy sectors regularly turn to Tavarone, Rovelli, Salim & Miani for its strong expertise in public contracts and procurement, large-scale infrastructure projects, and regulatory matters. It also represents clients from the transport, water, sanitation, oil and gas, fintech and retail segments in both administrative and judicial proceedings. The practice is led by the ‘highly technical’ Nicolás Eliaschev, a public law specialist with nearly two decades of experience in the electricity, energy, and infrastructure sectors, and Javier Constanzó, who handles regulatory issues, construction contracts, and matters concerning public works. Senior associate Daiana Perrone is singled out for her experience in renewable energy projects and bidding processes.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The team stands out for its sector knowledge and ability to provide strategic advice aligned with the needs of each specific business. Its lawyers are constantly updated in accordance with new rules and regulations.'

  • 'They stand out for their closeness to their clients and their understanding of the context in which we operate, which allows them to offer comprehensive legal advice.'

  • 'Nicolas Eliaschev and Javier Constanzó are distinguished by their highly technical level, strategic focus, and knowledge. They stand out for their ability to understand business needs and provide practical, agile advice aligned with our objectives.'

  • 'They know how to anticipate risks and propose innovative solutions. Their availability and responsiveness make a key difference in the work dynamic.'

  • 'The Tavarone team is very young and dynamic and easily understands the needs of our business.'

  • 'Both Nicolas Eliaschev and Javier Costanzó are always on the ball, providing immediate answers and solutions.'

Key clients

  • Ferrosur
  • Central Puerto
  • Mercado Libre
  • Loma Negra
  • Operadora de Cines
  • SoEnergy Argentina
  • BTU
  • Fluxus
  • Dreamco

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

Nicolás Eliaschev; Javier Constanzó

Other key lawyers

Daiana Perrone