We are recognized as one of the most respected law firms in the country, a distinction awarded by the main specialist publications, both in Brazil and abroad. Our mission goes beyond simply providing legal services; we seek to offer highly complex solutions with technical rigor, theoretical depth and a specialization and efficiency that reflect years of dedication to the study of law.
Our practice is based on advocacy that not only serves, but delights. We value kindness, technical precision and an unwavering commitment to our clients' objectives. It is in this spirit that we strive to contribute to building a fairer, more equal society with concrete opportunities for all Brazilians.

With a team made up of excellent professionals, we provide legal advice and consultancy in the corporate sphere, both in advisory and litigation. Our expertise is particularly strong in the Capital Intensive and Infrastructure sectors, including Energy, Mining, Steel, Oil & Gas, Heavy Construction and Logistics.

The trajectory of our firm is marked by numerous successful cases, involving advising on operations and projects of great complexity and scale, for both domestic and foreign companies. With offices in Belo Horizonte/MG, São Paulo/SP and Rio de Janeiro/RJ, as well as a network of partners and associates in various parts of Brazil and the world, we are prepared to offer global advocacy, without ever losing sight of the technical specialization that distinguishes us.

On the international scene, we are the founders and exclusive representatives in Brazil of LFW - Law Firms Worldwide, reaffirming our commitment to excellence and innovation in law.

Pratice Areas

The Environmental Law team at Sion Advogados has recognized experience in the advisory and litigation spheres, both administrative and judicial, offering solutions that reconcile legal aspects with the needs of the market. Over the years, the firm has assisted its clients in conducting environmental regularization and licensing processes for projects in various sectors. Highly focused on results, our Environmental Law team has in-depth expertise in drafting opinions, due diligences and consultations involving a wide range of environmental issues, aimed at legal compliance and optimizing production processes, minimizing risks and reducing environmental liabilities. On another front, Sion Advogados has in-depth experience in conducting civil and criminal legal proceedings and administrative proceedings throughout the country.

Strategic litigation involves conducting litigation in a meticulously planned manner, with the aim of maximizing favorable results for clients in complex and high-impact disputes, both in judicial and administrative proceedings. This approach is essential for defending interests in cases that can define the course of major undertakings or significantly influence business operations.

At Sion Advogados, our team is highly specialized in strategic litigation, working to formulate and file lawsuits with well-developed strategies in line with our clients' interests, as well as representing them in disputes involving significant amounts of money and complex legal issues. Another important area of activity is legal crisis management, based on the development of strategies to mitigate risks and damages in situations of imminent or ongoing litigation.

In line with the policy of consensual conflict resolution, Sion Advogados works in negotiation and mediation to resolve disputes, prioritizing solutions that preserve clients' businesses and relationships. Preventive consultancy is another layer of the firm's work in the area of strategic litigation, based on the analysis and preparation of opinions to avoid future disputes, with legal recommendations that reinforce the security of business operations.

Our expertise covers highly complex demands in the areas of environmental, mining, energy, corporate, contracts, civil liability and real estate law, among others.

The area of contracts is of fundamental importance for formalizing business deals, establishing the legal bases that govern relations between the parties involved. A well-structured contract not only protects the interests of those involved, but also minimizes risks and avoids future litigation.

Sion Advogados has a highly qualified team to assist its clients in negotiating and drafting all types of commercial contracts, both national and international. The firm frequently supports its clients by participating in negotiations and disputes related to contractual issues, including filing, defending and monitoring lawsuits, as well as carrying out negotiations and instruments inherent in contract termination. Sion Advogados advises our clients on negotiating claims for the economic and financial rebalancing of contracts and has extensive experience in drafting opinions on contractual issues.

Sion Advogados has put together a multidisciplinary team with solid training and a remarkable track record in the environmental, social and governance areas, with a focus on conducting ESG best practices in companies and organizations.

Our team has in-depth knowledge and practical expertise in advising clients from various sectors, which allows us to advise on defining, implementing and improving ESG performance criteria and managing and minimizing crises and risks, increasing the value of our clients' services.

Organizations with the best ESG practices meet the growing expectations of their investors, shareholders, regulators and other stakeholders and have a greater chance of success in their business. Considering the challenge of managing more sustainable organizations, legal advice on ESG-related matters ensures that practices are legally compliant and assists in companies' decision-making processes, always bringing them into line with the best international practices on the subject.

Our experience and results allow us to offer a wide range of legal services, such as:

- Mapping, regulatory compliance, evaluation of internal controls and auditing.
- Corporate and third-party risk management.
- ESG diagnosis and maturity assessment.
- Preparation of ESG strategy matrix.
- Advice and monitoring of corporate structure.
- Advice on creating and aligning corporate policies.
- Advice on mergers and acquisitions with an ESG focus.
- Assessing and advising on ESG reports.
- Training teams on ESG issues.
- Drafting contractual clauses.
- Support in administrative and judicial proceedings involving ESG criteria.
- Advising on and monitoring the financing of infrastructure projects with sustainable bonds.
- Support in defining the relevant criteria to be assessed in relation to companies and assets.

Real estate law plays an important role in corporate legal relations, and is crucial for carrying out and regularizing business related to real estate, from acquisition to the development of complex projects. Effective legal advice in this area guarantees legal certainty and the economic viability of real estate projects.
The Real Estate team at Sion Advogados has in-depth experience in advising domestic and foreign clients on various real estate deals. Our activities include:

  • Buying and selling real estate, which consists of complete assistance in negotiating, drafting and formalizing contracts, guaranteeing the legal security of transactions.
  • Exchanges and leases, based on structuring and monitoring that includes built-to-suit contracts, adapted to the specific needs of clients.
  • Deeds in lieu of payment and guarantees in rem: advice on setting up mortgages, easements and deeds in lieu of payment, ensuring the correct formalization of guarantees.
  • Developments, allotments, with legal support from the conception of the project to its implementation, in accordance with current legislation, including the preparation of opinions and studies on various real estate issues.
  • Real estate regularization: the firm frequently represents its clients in the most varied types of legal disputes and in the regularization of rural and urban real estate, including the release of access for the implementation of linear developments.
  • Real estate solutions for capital-intensive projects: developing specific legal solutions for large-scale real estate projects, with a focus on capital-intensive sectors.
  • Specialized consultancy: preparation of detailed opinions and studies on real estate issues, providing a solid basis for strategic decision-making.

Mining is fundamental to the Brazilian economy and is one of the country's main sources of revenue and job creation. The complexity and relevance of this industry require specialized legal advice in line with regulatory and environmental requirements.

The Mining Law team at Sion Advogados has in-depth and recognized experience in the sector, offering specialized legal services that reconcile legal aspects with the client's needs. The firm has extensive experience in the strategic management of mining rights, in drafting consultations and opinions involving regulatory issues and in conducting due diligences of mining rights. Sion Advogados frequently advises clients on the purchase, sale and regularization of mining rights, negotiating and drafting contracts specific to the sector, including M&A and agreements with superficiaries. In the litigation sphere, the firm is recognized for its excellence in representing its clients in administrative proceedings, within the scope of the ANM and the Ministry of Mines and Energy, and in court proceedings involving various issues pertaining to the sector.

Labor law is essential for maintaining fair and balanced labor relations, directly impacting the corporate environment and human resources management. The complexity of labor laws requires specialized legal advice to avoid risks and ensure legal compliance.

At Sion Advogados, our team is made up of professionals with excellence and expertise in the most diverse segments of labor law. We are a reference in labor legal advice on the most sensitive issues, offering support in:

  • Labor consultancy, consisting of guidance on sensitive and complex issues, ensuring that business practices are in compliance with labor legislation.
  • Judicial and administrative litigation, based on action in strategic and highly complex lawsuits, in addition to representation in administrative proceedings before regulatory bodies.
  • Remuneration policies: we conduct executive compensation policies, including variable compensation plans, positions and salaries.
  • Corporate union law: we offer consultancy and support on union issues, helping companies deal with collective bargaining and union disputes.
  • Labor compliance and LGPD: we implement labor compliance programs and comply with the General Data Protection Law (LGPD) in the labor field, protecting companies from risks and liabilities.

The Corporate Law team at Sion Advogados provides consultancy and advice to all types of companies, including publicly and privately held companies, on corporate routines, as well as on the structuring, negotiation and implementation of businesses and corporate reorganization. The firm frequently supports its clients in mergers, spin-offs and acquisitions (M&A) transactions, in addition to negotiations of shares, assets and disputes between partners and related to matters affecting corporate law. The firm's main areas of expertise include advising companies on the process of issuing shares, other securities and debt securities, structuring and establishing investments and companies and drafting corporate documents. Nevertheless, Sion Advogados is prepared to advise companies on improving their corporate governance, compliance and anti-corruption policies, developing a variety of corporate solutions.

"Alexandre Sion has conquered an enviable space among the brilliant in his field, thanks to an impeccable mix of deep competence, enormous capacity for relationships, and - above all - irrefutable principles of nobility and ethics."

Márcio Adriani Damazio
Executive Director of People, Legal and Vallourec Foundation at Vallourec South America
“I met Sion and his team in 2020 as a client in an M&A project in the mining area. I recommend them for their extreme competence, both for their in-depth knowledge of the topics and their excellence in customer service.”

Dyogo Augusto Machado
Diretor de Novos Negócios da Scheffer.
“I strongly recommend Alexandre Sion and his team. Great support with a professional approach.”

Fabiano F. S. Araujo
Director & Country General Manr at Horizonte Minerals.
“[...] Very high level of quality of the services provided so far, in which the punctuality, expertise, accessibility and availability of the office's professionals, in addition to the influence that this office has in the environmental community, has always received special attention.”

Renato Diniz
Gerente Executivo Jurídico, Grupo Aperam.
“Sion Advogados has provided robust, useful and timely services to our Company. Furthermore, they have always been able to establish a business environment where issues are addressed openly with a strong focus on the best solution for BAMIN.”

Claudio Menezes
CEO da Bahia Mineração.
“In addition to the great technical competence, zeal and punctuality, I draw attention to a very important characteristic of the firm, namely, knowing how to reconcile and mitigate legal risks with the business interests involved in the most complex demands submitted to them.”

Marcelo Luiz Pereira
Coordenador Jurídico na Concessionária da Rodovia MG 050 S.A (Atlântia Bertin Nascentes das Gerais).
“I worked with Alexandre on some projects and was able to experience his dynamism, commitment and focus on results. High level professional, very competent at what he does.”

Edgard Reis
Ex-CFO da Transnordestina Logística.
“Alexandre, in my opinion, is one of the most complete Brazilian lawyers in the areas of Mining and Environmental Law. I had the opportunity to trust his experience in these areas and therefore I highly recommend both him and his panel.”

Marcelo Martins Neto
Ex-Diretor na Vicenza Holding. Diretor na Xingu Capital.
“Alexandre is one of the most talented people I have ever met. He not only works hard, but he also works smart. I highly recommend him as the best lawyer.”

Weifan Wang
Diretor-Geral Adjunto na Innolux Corporation.
“The adv. Alexandre Sion is a dedicated professional, in-depth knowledge of environmental and mining law, in addition to having great ability to manage people.”

Fernando Café Carvalhaes
Gerente Geral de Relações Institucionais e Sustentabilidade na ArcelorMittal.
“Com grande satisfação registro minhas congratulações para o grande profissional e para o excepcional grupo de trabalho que compõem o escritório Alexandre Sion pela brilhante atuação no cenário jurídico, tal como pode ser aferido pela singular e ímpar trajetória.”

Gustavo Angelim Chaves Corrêa
Assessor Judiciário no Tribunal de Justiça do Estado de MG.
“Alexandre is an excellent professional, very competent, ethical, dedicated, always committed to exceeding expectations. Highly qualified in environmental and contractual issues. An attentive, available professional with excellent interpersonal skills.”

Raquel Delgado Passos
Ex-Legal Counsel na Gerdau.
“ […] working in the business sphere with extensive experience in Environmental Law, Mining, Civil, Administrative and Civil Procedure. [...] the firm [...] Sion Advogados deserves to be highlighted. A firm of notable and wide recognition in the legal world, corporate business and society.“

Gustavo Quintino dos Santos
Ex-Diretor Jurídico da Usiminas.
"Alexandre is a brilliant professional. His acumen in combining in-depth knowledge of the mineral sector, his competence in the areas of Environmental and Mining Law, combined with his ability to build excellent relationships, makes him stand out in his field of activity. This combination, plus his availability and active leadership in demands trigger excellent results."

Josiane Almeida
Senior Legal Counsel - Mining | Environmental | ESG - Vallourec.
“Although I don’t need presentations and recommendations, I need to be repetitive and record my admiration. Sion is a reference in the national legal scene. In front of sensitive issues in the Environment, Mining, Land and Regulatory, among others, he acts with efficient professionalism and elegance.”

Gustavo Mascarenhas Guedes
Legal Manager na State Grid Brazil Holding S.A.
“Alexandre Sion is an extremely qualified professional and a national reference in environmental matters. His office is made up of top-notch professionals who add value to clients’ businesses. Quality, management and strategy.”

Rachel Starling
Head of Sustainability/ ESG/Executive General Manager / Director – Fundação Renova.
“We have had the great honor of having the legal support of Sion Advogados in matters of Mining and Environmental Law. Differentiated commitment, dedication and competence with which the team handles the issues is demonstrated, always presenting innovative and feasible proposals to address the questions posed to them. I recommend the service provided by this team.”

Rogério Santana da Silva
Operacional and Labor Legal Manager at Ipiranga Produtos de Petróleo S.A.
"One of the most brilliant professionals I had/have the pleasure of working with. More than deserved recognition!!! Congratulations to you and the entire team."

Bruno Oliveira
Diretor Jurídico Global da Embraco.
“Alexandre is a modern, technical professional, a great negotiator and results-oriented. Excellent business partner!!!!”

Cristiano Podboy
Coordenador Jurídico Corporativo da CTEEP.
“I had the pleasure of learning about Alexandre's excellent work [...] when his company provided relevant legal support services in Contract Administration with international companies, [...] he showed vast knowledge in international law, ethics and loyalty, competence and excellent quality in its defenses.”

Olavo Cesar Silva
Ex-Diretor de Contratos da Mendes Júnior.
“Alexandre Sion is one of the best experts in environmental and mining legal issues in Brazil. He is a strong, direct leader and a cutting-edge professional.”

Daniel Santos
CEO da Mineração Taboca.
“Alexandre Sion is a lawyer with great technical capacity, easy to relate to and an expert in supporting companies in complex cases. I am happy to recommend it.”

Pedro Borrego
Ex-CEO Interino da Anglo American, divisão Iron Ore Brasil.
“Alexandre Sion is an excellent professional, in-depth knowledge of the environmental area, which is critical for the successful development of projects. Your help was essential when we worked together on a large and challenging project in MG.”

Alexandre Gomes
Ex-Diretor de Tecnologia & Inovação da Votorantim Metais.
“Alexandre is a very complete professional, with strong technical training and a strategic vision, focused on results. He always adds a lot to our projects and is a great professional to work with.”

Mauro Barros
Diretor Executivo na Belo Sun Mining Corp.
“Alexandre Sion made a significant impression on me [...] when we worked together. He had a difficult position, with many challenges in the legal field and he did well, demonstrating [...] a good understanding of the business as a whole.”

Luis Capitão Martins
Ex-Diretor de Estudos Técnicos na Anglo American.
“Alexandre is a thoughtful lawyer, sensitive to business needs [...] willing to contribute to the success of those around him. While I worked with Alexandre, [...] he proved to be a responsible, agile, experienced and dedicated partner in supporting the business [...]”

Frederico de Luca
Diretor Executivo na Copra Indústria Alimentícia Ltda.
“We hired Sion Advogados for an extremely sensitive topic, and with a lot of skill and knowledge in the environmental mining segment, the result was just the beginning of a great partnership. Alexandre is a professional who gets involved in topics together with his team, and has a company vision that is very important for developing excellent results. In addition to extreme technical capacity, he has excellent interpersonal skills that facilitate communication and support for companies.”

Natalia Vilela Nunes Leite
Advogada Jurídico Operacional na Ipiranga Produtos e Petróleo.
“Alexandre and his team have always provided excellent feedback on strategic demands. He stands out for his in-depth knowledge of Environmental Law, and for acting in a very dynamic and effective way.”

Fabio Luis Pereira Barboza
General Counsel da Argo Energia.
“[...] excellence in [...] environmental law. [...] vast experience, acquired in the corporate world and offices, which allows him versatility to deal with different areas related to environmental law, with regulatory law, in general, being his biggest differentiator. [...]”

Solange Costa
Responsável pelo Jurídico Global de Mineração da Vale.
“[...] Alexandre é um conselheiro jurídico bem experiente, com um grande número de casos de sucesso. Eu também o admiro por trabalhar em diversos ramos do direito com foco nos resultados a serem alcançados.”

Rodrigo Braga
Gerente Geral Jurídico na VLI Logística.
” […] As Legal Vice-President of Produbanco – Ecuador, I certify that I have known SION ADVOGADOS for approximately seven years. During this time, we developed a close relationship due to his professional qualities and honesty in his actions.”

Jorge Alvarado
Vice-Presidente Jurídico do Produbanco – Equador.
I have followed your trajectory for a long time and I know that these achievements are more than deserved, both for your talent and specialization - yours and that of the team - and for your determination to provide personalized, high-quality service. Congratulations!

José Sobral
Diretor jurídico, de Compliance e DPO do Grupo Equatorial Energia
“Alexandre Sion is a great professional who stands out for his technical competence and also for a very strong commitment to results. Assertive in his comments, he helps a lot in the decision-making processes of companies, always being up to date [...]”

Carlos Gonzalez
Ex-CEO da MMX.
“Alexandre is an excellent lawyer, has great technical knowledge and strategic vision. Extremely helpful and attentive.”

Giselle Oliveira
Head Legal da Leagold (Brio Gold).
“[...] Sion is an assertive, dedicated, organized, competent professional who goes to great lengths to solve challenges. He always focused on solving problems, always being up to date and ready to discuss topics under his responsibility.”

Ricardo Camargo
Ex-Gerente de Desenvolvimento Sustentável na Anglo American.
“[...] His dedication to studies [...] resulted in a competent professional capable of advising Executives and companies on what a company should really know to plan its Environmental Management, and organize preventive actions for Environmental Responsibility issues. [...]”

Thiago Pinto
Gerente Regional de Segurança Empresarial na NOV (National Oilwell Varco) da América do Sul.
“[...] In addition to providing me with the best quality legal support, he has always demonstrated commitment and a high level of commitment in providing the best quality legal support [...]. Very attentive both to ongoing demands and in the preventive aspect with regard to business risks [...]”

Denilson Motta
Gerente Geral de Superestrutura na Transnordestina Logística