
CMS Grau’s hydrocarbons practice advises on a broad range of upstream matters, including new investment and licensing opportunities. The team assists clients with bidding rounds, contract extensions and regulatory compliance, and is well placed to support companies throughout the lifecycle of hydrocarbons projects. Its broad practice also includes advising on CNG commercialisation projects and representing oil and gas companies in sanctioning proceedings. Carlos Hamann, Eduardo Guevara and Jesús Abanto co-lead the team. Hamann specialises in energy and natural resources law and advises foreign investors on hydrocarbons projects, while Guevara has extensive public- and private-sector expertise. Abanto is experienced in advising natural gas transportation and distribution companies on permitting requirements.
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Testimonials
Collated independently by Legal 500 research team.
- CMS Grau offers a unique service because they have a deep understanding of their clients and their culture. By fostering this empathy, they can better resolve any queries you may have. Additionally, CMS Grau boasts highly experienced professionals, particularly in the oil and gas sector.
- CMS Grau distinguishes itself by combining a high level of technical expertise with a deeply strategic and client-focused approach. Beyond traditional legal advice, they provide long-term partnerships, understanding clients' commercial, financial, and operational objectives to offer efficient, proactive legal solutions aligned with their actual needs. The team is known for its responsiveness, close client relationships, and direct involvement of senior lawyers in complex matters, ensuring highly specialized and practical service. CMS Grau's lawyers have experience advising on high-profile transactions and disputes across various economic sectors, including oil and gas and dispute resolution.
- Partner Eduardo Guevara has the advantage of having served as president of the state-owned oil company, vice minister of hydrocarbons, and having also worked in private companies and law firms. He possesses extensive industry know-how and a comprehensive vision that he applies to address and resolve client needs.
- A highly experienced team in the sector. The partners have extensive experience working in both the public and private sectors. It's a solid team. Highly reliable.
- Their main differentiating factor is regulatory proactivity. Unlike other firms that react to problems, the lawyers at CMS Grau anticipate regulatory changes in the energy and hydrocarbons sector. They differentiate themselves from the competition by delivering not only a legal analysis but also an operational roadmap. They understand that, for us, a legal report must be actionable and aligned with the company's objectives, which saves us valuable time in decision-making.
- Industry knowledge, constant updating, and extensive experience dealing with stakeholders.
Key clients
- Enagás Internacional
- Cheiron Americas Holding
- BP Exploration Operating Company Limited
- Schlumberger del Perú
- Shell Operaciones Perú
- CNPC Peru
- SK Innovation, Sucursal Peruana
- EDF Perú
- Repsol Exploración
- Baker Hughes International Operation
- Transportadora de Gas del Perú
- Petrotal Corp. (Canada)
Work highlights
Represented Enagas in ICSID arbitration, seeking to recover $511m invested in the Gasoducto Sur Peruano (GSP) project.
Advising SPT Energy Group and its Peruvian subsidiary Latin America and Energy Technology Corporation on structuring its organisation and planning for assuming the operations of Block VI.
Advise Shell on its LNG marketing projects that allow access to natural gas for thousands of families and industries in the north and south of Peru.
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
Carlos Hamann; Eduardo Guevara; Jesús Abanto


