Guyer & Regules boasts expertise in energy, infrastructure and project finance in Uruguay. The firm advises a broad spectrum of clients, from renewables to major players in oil and gas, with notable expertise in power purchase agreements, PPPs, concessions and financing. The department is co-headed by Juan Manuel Mercant, who specialises in oil, gas, hydrogen, renewables and data centre projects. Federico Susena, also co-head, brings deep sector knowledge in oil, gas, renewables, hydrogen and blockchain infrastructure. Susena has led landmark projects in offshore exploration and LNG. Marcos Payssé advises on major infrastructure and financing deals. Federico Piano brings end-to-end expertise in project finance. Associate Javier Napoleone supports on major PPP, CREMAF and energy projects. Tania Cavallo, a senior associate, has strong transactional experience in complex PPPs and renewable energy financings.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Sector knowledge
Client satisfaction: NPS ®

Testimonials

Collated independently by Legal 500 research team.

  • ‘Customer proximity. New technological developments in artificial intelligence associated with database management.'
  • ‘Technical and professional qualifications, particularly Federico Piano and Federico Susena.'
  • ‘Very fast response, broad spectrum of services’
  • ‘All teams work in unison and pass topics to other specialists in case needed.'
  • ‘The people who work at G&R are considered part of our team, always seeking alternatives to the legal and regulatory issues we deal with daily, and also contributing in a comprehensive and strategic way to the business.'
  • ‘Professionalism.'

Key clients

  • Ventus Acciona Abertis Total Shell Engie Tesla Energy NEXZUR Hudson Clean Energy Partners Adnoc Consorcio PPP Circuito Vial I (Traxpalco and Hernandez & Gonzalez) Gasoducto Cruz del Sur Consorcio PPP Centros Educativos 2 (Saceem / Stiler / Berkes) Corporación Andina de Fomento Power Systems CAFAM Administradora de Activos de Uruguay Techint Giacote GX Technology Celeo Redes (Elecnor) Interamerican Development Bank Consorcio PPP Circuito Vial 7 Boskalis Ontur China Machinery Engineering Corporation (CMEC) Grupo Vial del Este (CREMAF Route 9) Montelencor Engraw Export & Import Apa Corporation YNEL Blue Arrow HIF (Highly Innovative Fuels) DH2 Energy Head Waters TETHER Longreach Holeum

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners

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

Federico Piano
Federico Piano
Next Generation Partners

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

Marcos Payssé
Marcos Payssé
Leading associates

Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Tania Cavallo
Tania Cavallo
Javier Napoleone
Javier Napoleone
Practice head

Juan Manuel Mercant; Federico Susena

Other key lawyers

Marcos Payssé; Federico Piano; Javier Napoleone; Tania Cavallo