LAWYER PROFILE

Antonio Augusto Reis

Brazil 2026

Mattos Filho

Ranked in 2 practice areas

Environmental, Social & Governance (ESG)

Brazil

4 years ranked

Environment

Brazil

17 years ranked

About

Provided by Mattos Filho

Brazil: Industries & Sectors

Practice Areas

Environmental Law & Climate Change; ESG; Energy Transition, Digital Infrastructure;

Career

Antonio has over 25 years of experience in legal consulting and litigation on environmental, social, and climate-related issues. He advises on M&A and financial transactions, including governance, ESG disclosure and policy matters, due diligence, project structuring, and environmental permitting. Antonio also assists with environmental negotiations and judicial and administrative litigation, representing local and international clients across sectors, including energy, oil and gas, mining, steel, chemicals, transportation, telecommunications, real estate, sanitation and waste management, agribusiness, pulp and paper, and forest exploitation. He also serves as an officer of the Environment, Health and Safety Committee of the International Bar Association (IBA) and as a member of the Expert Advisory Board for the Oxford University Climate Hub.

Education

Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)

Bachelor of Laws

Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)

Specialization in Environmental Law

Pace University School of Law (USA)

Master of Environmental Law (LL.M.)

Languages Spoken

Portuguese;

English;

Brazil: Transactional

Practice Areas

Environmental Law & Climate Change; ESG; Digital Infrastructure; Energy Transition

Career

Antonio has experience in legal consulting and environmental litigation. He advises on M&A and financial transactions, audits, project structuring, environmental licensing processes, consultations, and opinions in general. He also works with the firm’s ESG (Environmental, Social & Corporate Governance) practice, a pioneer in the Brazilian legal market. Antonio assists with judicial and administrative litigation and consensual conflict resolution – including negotiating conduct adjustment agreements (TACs) – representing local and international clients from the energy, oil and gas, mining, steel, chemical, transportation, telecommunications, real estate, sanitation and waste management, agribusiness, pulp and paper, and forest exploitation industries. He is also an officer of the Environment, Health and Safety Committee of the International Bar Association (IBA).

Education

Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)

Bachelor of Laws

Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)

Specialization in Environmental Law

Pace University School of Law (USA)

Master of Environmental Law (LL.M.)

Languages Spoken

English;

Portuguese;

Chambers Review

Provided by Chambers

Chambers Brazil: Transactional

Environmental, Social & Governance (ESG) - Brazil

Band 3

Individual Editorial

Well-regarded environment partner Antonio Augusto Reis assists clients in a variety of ESG matters, including sustainability-linked bonds, carbon credits, ESG policies and environmental licensing.

Learn more about this team View ranking table

Chambers Brazil: Industries & Sectors

Environment - Brazil

Band 3

Individual Editorial

Antonio Augusto Reis is held in high regard for his ability to handle large environment law mandates and has particular expertise in judicial and administrative disputes.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Antonio is an excellent professional, with strong market presence, technical expertise, and a keen sensitivity to negotiation dynamics.
Environmental, Social & Governance (ESG)Chambers Brazil: Transactional
He always adds to the discussions with his broad knowledge of ESG. Antonio has great business vision.
Environmental, Social & Governance (ESG)Chambers Brazil: Transactional
Antonio possesses strong technical expertise and an impressive ability to understand the business in depth, including its operational aspects. He consistently delivers highly effective and innovative solutions in his decision-making.
EnvironmentChambers Brazil: Industries & Sectors
Antonio Augusto Reis possesses a unique ability to see environmental law not as a set of restrictions, but as a fundamental piece of business strategy. He understands the intricacies of industrial operations and can anticipate how a regulatory change or a judicial decision will impact the "factory floor" five or ten years from now.
EnvironmentChambers Brazil: Industries & Sectors
Antonio Augusto Reis is an environmental partner with excellent business judgement.
EnvironmentChambers Brazil: Industries & Sectors