Home - Sion Advogados

legal solutions for capital-intensive and infrastructure projects

We provide services with high efficiency, technical competence and specialization.

We are a law firm that is proud to be recognized as a benchmark in Brazil and beyond. This reputation comes from our commitment to being there for those who trust our work, offering not only legal solutions, but also security and peace of mind for our clients at important moments.

More than providing legal services, our mission is to create tailor-made solutions, even for the most complex challenges. We combine technical knowledge, experience and empathy to understand each situation in depth and deliver results that make a difference.

Meet the office

Expertise in highly complex cases and recognition in the national and international market: WE ARE BRAZIL’S FIRST PLACE IN ENVIRONMENTAL AND ENERGY AND LATIN AMERICA’S FIRST PLACE IN MINING

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Main recognitions

Since its foundation, Sion Advogados has been positively recognized by the market and the legal community in general. These results are the fruit of a professional and specialized approach, which can be seen in the various awards and certifications obtained in the different sectors in which the firm provides services.

Practice areas

Sion Advogados offers differentiated legal solutions, supported by the unique know-how of its professionals and significant experience in supporting large projects involving infrastructure works or capital-intensive investments.

practices

Business segments

TEAM

In the media

02/06/2026

CAMBI 2026 | Environmental Congress 29/05

On the second and final day of CAMBI 2026, Alexandre Sion moderated the panel “Legal Security and Unlocking Infrastructure Licensing,” promoting a qualified deba... [...]

30/05/2026

CAMBI 2026 | Environmental Congress

At CAMBI 2026, the first panel moderated by Alexandre Sion was on “Licensing Strategies under the General Law: LAC, LAU and LAE from the perspective of entrepreneurs&#... [...]

29/05/2026

CAMBI 2026 | May 29

The CAMBI 2026 program continues tomorrow with another debate on the challenges of environmental licensing in Brazil. At 2 PM, Alexandre Sion will have the pleasure of moder... [...]