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Mexico
4

Energy and natural resources

Santos-Elizondo, S.C.

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Santos-Elizondo, S.C. continues to grow its presence in Mexico's energy market from its Monterrey base, and stands out for its broad regulatory, contentious and transactional capabilities. The team frequently advises on market entry strategies, permit procurement and updates, and infrastructure expansions, while its disputes practice handles complex matters such as tariff-related litigation and regulatory enforcement actions. The firm is particularly active in the electricity sector, but also has a growing portfolio across oil and gas, renewables and water. Practice head Jorge Alberto Arrambide has expertise in corporate and administrative law which he applies to the energy space. Carlos Chávez-Pereda provides transactional and financing advice regarding energy projects alongside Mario Zambrano Ábrego, who is skilled in corporate law and M&A. Regulatory specialist José Antonio Téllez, who joined as junior partner in January 2024, advises across energy generation, transmission, distribution and storage matters. Among the associate bench, Nerina Piña Solar stands out for her focus on environmental matters and regulatory compliance in the energy field.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘It is a team specialised in responding to the changing energy environment in Mexico. One of its main strengths is its prompt analysis of complex regulatory issues, being aware of needs that may arise outside the legal framework, such as technical aspects, and its willingness to propose relevant options.'

  • ‘The appropriate and timely involvement of the area's leading partner, Jorge Alberto Arrambide, seeking prompt availability to understand the issues and subsequently determine who on his team to delegate to, without straying from the project.'

  • ‘Highly efficient lawyers with excellent knowledge of electric power and natural gas. They are always up-to-date on industry issues and seek solutions to clients' problems without complicating transactions. I consider this the main quality of the energy lawyers at Santos Elizondo. They have my complete trust in my clients' contracts and are my choice for any personal project.'

  • 'The first firm I recommend for energy matters.'

  • ‘Jorge Alberto Arrambide and Jose Antonio Tellez, the main difference is the quality and elegance in solving problems efficiently. When they deliver a job, you have the confidence of having quality work that meets your requirements.'

Key clients

  • Mahle
  • Proyectos HEG
  • Rotoplas
  • Quimi Kao
  • Diavaz
  • Covia Corp.
  • Molex
  • Gentor
  • OPP Film
  • Propysol
  • KIA
  • Rassini

Work highlights

Helped protect Bioenergía de Nuevo León’s interests as a power producer by filing an amparo writ against a regulation that increased transportation tariffs (known as wheeling tariffs) by 800%.
Assisted SIMSA with the structuring of regulatory and contractual frameworks in the energy sector, advising on multiple agreements to optimise connections, investments, and overall operational efficiency of the client’s power infrastructure.
Advised Azpau Entretenimiento, the operator of Parque Urbano Aztlán, on establishing a regulatory-compliant energy supply system.

Practice head

Jorge Alberto Arrambide

Other key lawyers

Carlos Chávez-Pereda; Mario Zambrano Ábrego; José Antonio Téllez; Nerina Piña Solar