LAWYER PROFILE
Marcelo Frazão Costa Rodrigues

Marcelo Frazão Costa Rodrigues

Brazil 2026

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Ranked in 1 practice area

About

Provided by COSRO

Brazil: Industries & Sectors

Career

Marcelo Frazão serves as Managing Partner of COSRO, where he leads a broad corporate practice and is highly regarded for his expertise in complex, high-value M&A transactions, joint ventures, and commercial contracts involving energy assets. His practice spans the entire energy value chain, encompassing traditional oil and gas, renewables, biofuels, and energy transition projects. Marcelo primarily counsels international clients with interests or operations in Brazil, including project developers, offtakers, construction and shipping companies, global suppliers, and financial institutions.

Over the course of his career, he has been involved in transactions totaling more than USD 8 billion in asset value.

Marcelo is also distinguished for his highly regarded experience in dispute resolution, particularly in high-stakes arbitration. He has represented clients in disputes totaling more than USD 1.7 billion in the Brazilian market over the past five years, with a focus on matters involving the construction, chartering, and financing of terminals, offshore vessels, platforms, FPSOs, and FSRUs within the oil and gas sector.

Marcelo advises innovative energy production and decarbonization initiatives, including advanced biofuels (such as renewable diesel, SAF, and biomethane), low-emission hydrogen and ammonia, carbon capture and storage (CCS), and carbon market mechanisms. He works closely with clients to develop and implement strategies for reducing carbon emissions, always with an emphasis on ensuring energy security and accessibility.

Marcelo’s excellence in the energy sector is recognized by leading legal directories, including Chambers & Partners, The Legal 500, and Leaders League. He is consistently ranked among Brazil’s top lawyers in Corporate Law, Mergers and Acquisitions, Commercial Contracts, and Litigation and Arbitration.

Education

Universidade Federal Fluminense (UFF)

Law Degree

IBMEC

Post-graduate Degree in Corporate Law

London School of Economics and Political Science (LSE)

Master of Laws (LLM)

Languages Spoken

Portuguese

English

Spanish

Chambers Review

Provided by Chambers

Chambers Brazil: Industries & Sectors

Energy & Natural Resources: Oil & Gas - Brazil

Band 4
Band 4

Individual Editorial

Marcelo Frazão Costa Rodrigues is often seen advising oil and gas clients on contractual and regulatory mandates, including those related to shipping matters.

Strengths

Provided by Chambers

  • Marcelo stands out for his solid technical background, meticulous approach and high level of reliability in handling tasks. He works in an organised, consistent and committed manner, prioritising quality deliverables and demonstrating strong execution skills and alignment with client needs. He is a professional who inspires confidence and contributes positively to efficient teamwork.

    Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
  • Marcelo Frazão distinguishes himself through a solid legal background and consistent technical rigour, specialising in maritime law applied to the oil and gas industry. His contribution is marked by well-structured analyses and attention to the regulatory and contractual aspects. He demonstrates confidence in handling relevant issues related to offshore operations, chartering, maritime liabilities and regulatory interfaces. His work contributes to the proper identification and mitigation of legal risks in sensitive operational and regulatory contexts.

    Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
  • Marcelo is outstanding in his field. Both as a relationship partner and in delivering the work, he is exceptional.

    Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors

Ranked Individuals at COSRO (5)

Brazil

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