Brazilian International Lawyers

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14 years+

of experience


satisfied clients


countries served

Endorsed by the American Embassy in Brazil

High Complexity Matters have been entrusted to Mark Martin and his team because they have a deep and vast International Legal Experience.  

Family Law

International Divorce, International Division of Property, Child Custody, Child Abduction, Visitations, Alimony, Prenuptial Agreements, International Probate and more.


International Contracts, Business Contracts, Purchase and Sale, Service Contracts, Confidentiality Agreements, Memorandum of Understanding and more.


Visa Applications, Green Card, Naturalization and Citizenship Asylum and Refugee, Adjustment of Status, Employment Authorization and more

International Litigation

International Law Suits, Arbitration, International Disputes, Business Law Procedures in Courts, Civil Litigation, Federal Court Disputes, Local Court and more.

Business Law

Corporate Formation and Governance, Banking and Finance, Real Estate Transactions, International Trade and Compliance Employment Law and more.

Intellectual Property

Trademark Registration and Enforcement, Patent Services, Copyright Protection, Trade Secret Protection, Intellectual Property Due Diligence and more.


Commercial Mediation, Employment Mediation, International Dispute Mediation, Construction Mediation, Family Mediation, Real Estate Mediation and more.


Commercial Arbitration, Investor-State Arbitration, Construction Arbitration, International Trade Arbitration, Employment Arbitration and more.

Over a decade

Delivering Excellence

Mark Martin established Martin Law Firm (Martin Advogados) in Belo Horizonte, Brazil, to provide comprehensive legal services across Federal, State, and Local courts, both domestically and internationally. Specializing in International Law, Contracts, Family Law, Civil Law, Business Law, Intellectual Property, and Constitutional Law, our dedicated team of attorneys and paralegals ensures personalized and passionate representation for each client. With meticulous attention to detail and legal expertise, we guide clients through negotiations, court hearings, and administrative processes. We prioritize a personal and professional approach, focusing on individual client goals rather than treating them as mere “cases” or “files.”


Brazilian Consulate in Los Angeles

The Brazilian consulate references our office through its website.

American Embassy in Brazil

The American embassy in Brazil references our office through its website.

Brazilian Consulate in Rome

The Brazilian consulate references our office through its website.

International Law Commission of Minas Gerais

Mark Martin – President from 2019 – 2021

Brazilian Consulate in Amsterdam

The Brazilian consulate references our office through its website.

Reviews From our Satisfied Clients

I was introduced to Mark Martin and was extremely satisfied with his professional approach and guidance to resolve my queries in such a short period of time. I have been living and working overseas for a very long time and needed a good attorney.


Martin & Oliveira offered such a great service. Mark was not only very professional, but sometimes, he worked very closed to us as a friend. We appreciate his dedication from him. As a family, we do recommend Martin & Oliveira Law Firm.


I thank God that I was able to find them. I have no complains. Extremely professional and really takes your case and does the best, I was helped with my case under the Hague convention for child abduction by my ex and was able to bring my children back to their home in the USA.


Where we are


Rua Paraíba, 550, 9º andar - Belo Horizonte, MG
CEP: 30.130-141