Department profile
Mattos Filho

Energy & Natural Resources: Oil & Gas

Brazil Guide 2026 : Brazil

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Mattos Filho

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About

Provided by Mattos Filho

Our legal work in the sector has made us a reference for handling transactions, regulatory affairs and technical issues.

We advise a wide range of oil exploration and production companies, distributors, natural gas transporters, service providers, private equity companies and commercial banks. Our work covers all areas of the oil & gas sector, including exploration, development, extraction, refining, distribution, sales, imports and exports of oil, natural gas and liquefied natural gas. We also assist with public share offerings, bidding processes for concessions and production sharing agreements, and administrative litigation with Brazil’s National Agency of Petroleum, Gas and Biofuels (ANP).

Chambers Review

Provided by Chambers

Energy & Natural Resources: Oil & Gas - Brazil

Band 1

What the Team is Known For

Mattos Filho has an exceptional oil and gas practice group holding a leading position in the market through its continued representation of major E&P companies operating in Brazil's highly productive offshore reserves. The firm is instructed to advise on both the transactional and regulatory aspects. It is frequently seen advising on sector-specific M&A deals and asset transactions. The firm also advises on high-end finance deals to back long-term projects and oilfield acquisitions. It is highly sought-after for its knowledge of project development and participation in the National Petroleum Agency's bidding rounds.

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Work Highlights

Provided by Chambers

  • Mattos Filho assisted Equinor Energy do Brasil with the USD3.5 billion sale of its

    60% interest in the Peregrino and Pitangola oil fields to PRIO.

Strengths

Provided by Chambers

  • The team combines experience, industry knowledge and creativity. I don't know any other law firm with the same ability to find viable solutions and alternatives to complex issues like Mattos Filho.

    Energy & Natural Resources: Oil & Gas respondentBrazil

  • Mattos Filho’s lawyers work very well across the infrastructure and gas sectors. All the professionals I work with are highly knowledgeable, and I feel very comfortable entrusting them with any matter. The team’s level of technical expertise is impressive, and their active involvement in transactions means they understand what works in practice. They are excellent.

    Energy & Natural Resources: Oil & Gas respondentBrazil

  • Mattos Filho's team is able to manage multiple workstreams effectively and maintain a calm and proactive approach in complex transactions. The firm combines practical industry experience with strong regulatory and transactional expertise, integrating advice across multiple areas into clear commercial solutions.

    Energy & Natural Resources: Oil & Gas respondentBrazil

  • Mattos Filho supported us on a large and complex matter and demonstrated a strong pro-business mindset. The team is fast, available, highly experienced and well suited for challenging projects.

    Energy & Natural Resources: Oil & Gas respondentBrazil

  • Mattos Filho's team covers multiple disciplines, including regulatory, environmental, corporate and finance, and consistently delivers on time. The law firm also assists with creating opportunities, introducing investors and industry players, which is very valuable.

    Energy & Natural Resources: Oil & Gas respondentBrazil

Notable Practitioners

Provided by Chambers

  • Giovani Loss
    Giovani Loss

    Giovani Loss

    Giovani Loss is widely respected in the oil and gas market. He handles complex M&A and capital markets work and is noted for his dedication to the sector as well as for his outstanding knowledge of regulatory matters.

    • Giovanni Loss is brilliant and I genuinely enjoy working with him. He has a very assertive nature, which gives me great confidence. He fights for the client and is also willing to challenge them when they are heading in the wrong direction. He is an upright professional, always focused on what is truly best for the client. Loss has deep knowledge of the gas sector, both in Brazil and globally, which is extremely reassuring.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Giovani is a highly technical, trustworthy and experienced lawyer. His experience dealing with US matters is a significant advantage in cross-border transactions. He brings a rare level of business acumen, is extremely responsive, consistently available and always with a positive attitude. He is also proactive in introducing new contacts to our firm and helping companies connect and develop business opportunities.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Giovani Loss is a standout lawyer with a strong pro‑business mindset.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Giovani Loss is the star of the sector, the best oil and gas lawyer in the country.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Giovani is one of the best professionals I've ever met. He is a business partner, an excellent risk identifier and someone who is deeply knowledgeable about the market.

      Energy & Natural Resources: Oil & Gas respondentBrazil
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  • Felipe Feres
    Felipe Feres

    Felipe Feres

    Felipe Rodrigues Caldas Feres is a very well-established oil and gas practitioner, particularly in the field of transactional and commercial matters.

    • Felipe is exceptional and does a wonderful job every time he's called upon.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Feres provides excellent service. He is responsive, hands-on and very easy to work with, including with international stakeholders. He understands the bigger picture of the deal and ensures smooth coordination across other aspects affecting the transaction. He articulates well during negotiations. A true deal-maker.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Felipe brings business acumen combined with legal expertise. Feres helps build the company's products and doesn't limit himself to just technical legal expertise, but translates it into something that works for our business. He has the sensitivity to add what I need to know.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Felipe stands out for his solid technical expertise and extensive experience in complex negotiations in the natural gas market. He demonstrates strategic vision and a strong business orientation in advising the company, acting from risk assessment to the agile and effective management of contractual negotiations.

      Energy & Natural Resources: Oil & Gas respondentBrazil
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  • Nilton Mattos
    Nilton Mattos

    Nilton Mattos

    Nilton Gomes de Mattos Neto offers notable expertise in transactional and regulatory oil and gas matters, both in the upstream and midstream spaces. He is also well equipped to represent clients in judicial disputes.

    • Nilton Mattos added significant technical value to our case.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Nilton demonstrates high technical seniority and in-depth knowledge of the oil and gas sector, with consistent performance in regulatory, contractual and governance matters. He stands out for his ability to quickly understand the business context and translate complex legal issues into clear, practical and well-structured guidance. His performance is secure and strategic, especially in sensitive and high-risk matters.

      Energy & Natural Resources: Oil & Gas respondentBrazil
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  • Bruno Chedid
    Bruno Chedid

    Bruno Chedid

    Bruno Chedid is a practitioner who routinely assists his clients with the sale and acquisition of oil and gas assets. He has additional experience in regulatory matters.

    • Bruno is a unique talent in the M&A space of the oil and gas sector in Brazil.

      Energy & Natural Resources: Oil & Gas respondentBrazil

    • Bruno Chedid provided outstanding legal support to our company with an oil and gas project. He combines deep technical expertise with a pragmatic, business-minded approach, helping us navigate complex contractual and regulatory matters while keeping the process efficient and solution-oriented. His responsiveness, clarity and strong negotiation skills were instrumental to moving the project forward with confidence.

      Energy & Natural Resources: Oil & Gas respondentBrazil
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Ranked Individuals at Mattos Filho (4)

Brazil

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