Customs law and international trade

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Reducing costs and minimizing legal and operational risks in international trade requires strict compliance with customs regulations and well-structured legal strategies tailored to your business model.
Our law firm specializes in Brazilian Customs Law and provides comprehensive legal support to companies engaged in cross-border trade. We help international clients navigate Brazil’s complex regulatory environment with confidence and efficiency.

Our services include:

End-to-end legal assistance with SISCOMEX (Brazil’s Integrated Foreign Trade System) – mandatory for all import and export operations in Brazil.
Legal analysis and expert opinions on customs procedures, import/export structures, and regulatory risks.
Strategic guidance on taxation and available tax benefits in foreign trade, including exemptions and special customs regimes.
Legal representation and support during customs inspections, including responses to audit notices issued by the Brazilian Federal Revenue Service and other regulatory bodies.
Administrative and judicial litigation in customs-related and international tax matters.
We are committed to helping foreign businesses and investors operate in Brazil with legal security, regulatory compliance, and commercial agility.
Contact us to discuss how we can assist your international trade operations in Brazil.

Testimonials from our customers

I would like to take this opportunity to comment on the services provide by Dr. Hélio de Oliveira! As I had been living abroad for many years and decided to buy a property in Rio Grande do Norte, a friend advised me to consult with Dr. Hélio. I can say that it was an excellent choice because he gave me all the support, I needed to make the purchase happen quickly and accurately, from the first prospections to the closure of the contract! In addition, he is an extremely trustworthy person! I am very grateful to him! I highly recommend him!!!!

JUSSARA PIACENTINI

DIREITO IMOBILIÁRIO/BRASILEIROS NO EXTERIOR

I highly recommend HSO for anyone seeking legal assistance with property transactions, especially those living abroad. HSO has been incredibly professional and thorough in handling all the documents related to my plot purchase. His availability and willingness to discuss and resolve any situation that arises have been invaluable. If you need a reliable and dedicated lawyer, Dr. Helio Santos De Oliveira is the person to go to.

LUIS ALBERT

DIREITO IMOBILIÁRIO/ BRASILEIROS NO EXTERIOR

I would like to highlight the service and professionalism present from the very beginning, along with the patience and courtesy demonstrated by Dr. Helio de Oliveira throughout our journey establishing our company in Brazil. He has been our lawyer for 14 years, and I believe this truly reflects an exceptional law firm and an outstanding professional whom I highly recommend.

Mr Paresh Shah
Brilliant Diamond Chairman

WE ARE A NETWORK

Leveraging our extensive network of trusted legal partners, we deliver precise and efficient support across all judicial and legal matters. Our clients rely on our firm as a single point of access to comprehensive legal solutions for their needs in Brazil.

Customs law and international trade

Brazilian immigration law

Business and corporate law

Corporate legal advice

Real Estate Law

Brazilian tax law

Contract law

Frequently Asked Questions (FAQ)

HSO Advogados & Consultores provides legal services in several areas, with a strong focus on Customs Law, International Trade, Tax Law, Business Law, and Cross-Border Legal Services. We assist both individuals and companies—especially those with international operations or legal interests in Brazil.

Our firm collaborates with a highly qualified network of legal professionals across Brazil and abroad. This allows us to offer specialized legal support in various jurisdictions, tailored to each client's needs. Through this network, we ensure strategic, multidisciplinary solutions with local insight and international reach.

We combine legal expertise, up-to-date regulatory knowledge, and personalized client service to deliver accurate and efficient results. Our team adopts a proactive approach, supported by technology and continuous monitoring of relevant legal and administrative developments.

Our main differentiator is the strategic focus on clients with international interests in Brazil. We offer a unique combination of customized legal solutions, multilingual communication, and deep knowledge of cross-border operations—ensuring legal certainty and trust for foreign individuals and companies doing business with or in Brazil.

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