Larianne works in regulatory, transactional, and corporate advisory for energy and infrastructure businesses, combining technical insight with a practical understanding of the sector to support strategic decision-making with legal certainty

Focusing on energy, oil, and gas, she advises domestic and international clients on corporate transactions, infrastructure projects, and complex regulatory matters, particularly in the context of the energy transition Her practice is dedicated to regulatory governance and risk management in regulated assets and projects, spanning from the structuring of operations to engagement with sector authorities. Larianne combines a technical understanding of the regulatory environment with pragmatic execution, supporting business decisions through clear communication, objective criteria, and a focus on feasibility

Experience

Larianne advises clients on regulatory strategy, transactional matters, and corporate advisory, combining sector knowledge with execution to structure operations, governance, and business models in energy and infrastructure. She works on project development, corporate restructurings, investments, M&A transactions, and complex business operations involving oil and gas assets, refineries, pipelines, petrochemical projects, thermoelectric, solar, and wind power plants, power generation, transmission and distribution companies, as well as the transportation and distribution of natural gas

She is actively involved in regulatory matters before authorities, including the National Agency of Petroleum, Natural Gas and Biofuels (ANP), advising clients on administrative proceedings, administrative defenses and appeals, preparation of legal opinions and memoranda, assistance in public consultations, and legal analysis of sector-specific legislation and regulatory frameworks, including matters related to the energy transition

From a transactional perspective, she is involved in the structuring, drafting, and negotiation of share purchase agreements, shareholders’ and investment agreements, EPC contracts, oil purchase and sale agreements, and joint operating agreements, with an objective allocation of responsibilities and risk matrices aligned with the regulatory reality of the sector. She also regularly coordinates and participates in legal due diligence processes and provides ongoing corporate and commercial advice to companies and investment funds

Specialties

Sectors: Energy / Decarbonization / Infrastructure / Mining / Shipping

Areas of Practice: Government Contracting / Commercial Contracts / Project Finance / Regulatory and Public Policies / Corporate/M&A / Sustainability

Qualifications

• Law Degree, Fundação Getúlio Vargas – FGV Rio de Janeiro
• Postgraduate Degree in Corporate Law and Capital Markets, Fundação Getúlio Vargas - FGV Rio de Janeiro
• Master’s Degree in Regulatory Law, Fundação Getúlio Vargas - FGV Rio de Janeiro

Alliances and Associations

• Brazilian Bar Association, Rio de Janeiro Section

Languages

Portuguese, English