Customer satisfaction is the best indicator when it comes to service provision. Therefore, this space is intended for publishing comments from clients served by Sion Advogados on different legal issues. Recommended by professionals from national and international companies, our offices are cited for focusing on results, assertive guidance, as well as efficient and qualified service.

Márcio Adriani Damazio
Executive Director of People, Legal and Vallourec Foundation at Vallourec South America
"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."
Dyogo Augusto Machado
Diretor de Novos Negócios da Scheffer.
“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.”
Fabiano F. S. Araujo
Director & Country General Manr at Horizonte Minerals.
“I strongly recommend Alexandre Sion and his team. Great support with a professional approach.”
Renato Diniz
Gerente Executivo Jurídico, Grupo Aperam.
“[...] 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.”
Claudio Menezes
CEO da Bahia Mineração.
“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.”
Marcelo Luiz Pereira
Coordenador Jurídico na Concessionária da Rodovia MG 050 S.A (Atlântia Bertin Nascentes das Gerais).
“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.”
Edgard Reis
Ex-CFO da Transnordestina Logística.
“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.”
Marcelo Martins Neto
Ex-Diretor na Vicenza Holding. Diretor na Xingu Capital.
“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.”
Weifan Wang
Diretor-Geral Adjunto na Innolux Corporation.
“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.”
Fernando Café Carvalhaes
Gerente Geral de Relações Institucionais e Sustentabilidade na ArcelorMittal.
“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.”
Gustavo Angelim Chaves Corrêa
Assessor Judiciário no Tribunal de Justiça do Estado de MG.
“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.”
Raquel Delgado Passos
Ex-Legal Counsel na Gerdau.
“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.”
Gustavo Quintino dos Santos
Ex-Diretor Jurídico da Usiminas.
“ […] 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.“
Josiane Almeida
Senior Legal Counsel - Mining | Environmental | ESG - Vallourec.
"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."
Gustavo Mascarenhas Guedes
Legal Manager na State Grid Brazil Holding S.A.
“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.”
Rachel Starling
Head of Sustainability/ ESG/Executive General Manager / Director – Fundação Renova.
“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.”
Rogério Santana da Silva
Operacional and Labor Legal Manager at Ipiranga Produtos de Petróleo S.A.
“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.”
Bruno Oliveira
Diretor Jurídico Global da Embraco.
"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."
Cristiano Podboy
Coordenador Jurídico Corporativo da CTEEP.
“Alexandre is a modern, technical professional, a great negotiator and results-oriented. Excellent business partner!!!!”
Olavo Cesar Silva
Ex-Diretor de Contratos da Mendes Júnior.
“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.”
Daniel Santos
CEO da Mineração Taboca.
“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.”
Pedro Borrego
Ex-CEO Interino da Anglo American, divisão Iron Ore Brasil.
“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.”
Alexandre Gomes
Ex-Diretor de Tecnologia & Inovação da Votorantim Metais.
“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.”
Mauro Barros
Diretor Executivo na Belo Sun Mining Corp.
“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.”
Luis Capitão Martins
Ex-Diretor de Estudos Técnicos na Anglo American.
“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.”
Frederico de Luca
Diretor Executivo na Copra Indústria Alimentícia Ltda.
“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 [...]”
Natalia Vilela Nunes Leite
Advogada Jurídico Operacional na Ipiranga Produtos e Petróleo.
“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.”
Fabio Luis Pereira Barboza
General Counsel da Argo Energia.
“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.”
Solange Costa
Responsável pelo Jurídico Global de Mineração da Vale.
“[...] 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. [...]”
Rodrigo Braga
Gerente Geral Jurídico na VLI Logística.
“[...] 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.”
Jorge Alvarado
Vice-Presidente Jurídico do Produbanco – Equador.
” […] 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.”
José Sobral
Diretor jurídico, de Compliance e DPO do Grupo Equatorial Energia
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!
Carlos Gonzalez
Ex-CEO da MMX.
“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 [...]”
Giselle Oliveira
Head Legal da Leagold (Brio Gold).
“Alexandre is an excellent lawyer, has great technical knowledge and strategic vision. Extremely helpful and attentive.”
Ricardo Camargo
Ex-Gerente de Desenvolvimento Sustentável na Anglo American.
“[...] 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.”
Thiago Pinto
Gerente Regional de Segurança Empresarial na NOV (National Oilwell Varco) da América do Sul.
“[...] 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. [...]”
Denilson Motta
Gerente Geral de Superestrutura na Transnordestina Logística
“[...] 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 [...]”