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At Màríelle Brito Law Firm, every case is handled with a unique and strategic approach. We work with empathy, precision, and a high technical standard to deliver legal solutions that are both effective and human — for clients in Brazil and abroad.
Our office is recognized for its personalized and artisanal practice: we follow each client and case closely, ensuring quality, dedication, and results.
Founder
With national and international expertise, MSB Law Firm provides high-complexity legal services with technical excellence, personalized strategy, and attention to detail.
Our main services address the most delicate and recurring demands in Family Law, Inheritance, and International Law, always focusing on real results and human service.
Whether you need to protect your assets, navigate a divorce, or structure an international succession, here you’ll find complete, safe, and reliable legal support.
Convert foreign court decisions into valid rulings in Brazil with speed, accuracy, and safety.
Ideal for cases involving divorce, custody, child support, adoption, or inheritance abroad.
Specialized legal assistance for men facing divorce proceedings.
Firm and fair representation to ensure a balanced outcome regarding assets, custody, visitation, and support.
Avoid family disputes and legal surprises.
We organize your estate with strategy and foresight — in Brazil and abroad — including cases involving international heirs.
Protect and organize your assets through intelligent legal structuring.
We create family holdings for asset protection, tax efficiency, and secure succession planning.
Strategic action to preserve family relationships and ensure fair and conflict-free asset distribution.
Representation in cases involving international connections such as divorces, probates, and foreign judgments.
We structure businesses and families with a focus on asset protection and succession planning.
Comprehensive consulting for those seeking European citizenship, visas, or legal relocation abroad.
Legal assistance in property acquisitions, regularizations, and contracts in Brazil and overseas.
We help reduce fiscal risks and costs through strategic planning and defense in audits and enforcement actions.
At MSB Law Firm, every client receives strategic, personalized, and technically excellent legal service.
Our approach is custom-tailored and focused on practical and effective solutions — both in Brazil and internationally.
We combine academic knowledge, international experience, and active listening to transform complex legal issues into secure and decisive outcomes.
Attorney registered with the Brazilian Bar Association (OAB/DF) under No. 26.049, with 18 years of experience (since 2007) and over 5,000 cases handled across more than 20 countries. Fluent in Portuguese, English, and Spanish.
Invited by television channels, newspapers, and magazines for interviews and legal features in her areas of expertise, with over 50 media appearances to date.
Specialist in International Law, Probate, and Estate Planning with Holding Structures, having obtained a foreign judgment recognition ruling from Brazil’s Superior Court of Justice (STJ) in just two months.
Guest Researcher at the University of Lisbon (ULisboa) and the University of Cambridge
Master’s and Specialization in Civil and International Law – University of Lisbon (ULisboa)
Postgraduate Degree in Law with six specializations – Unisul University
Bachelor of Laws (LL.B.) – UDF University Center
Author of the legal book “The Probate and Asset Division Process.”
Contributor of numerous legal articles published on professional platforms and on her personal blog.
Former Vice President of the Foreign Trade Commission – OAB/RJ (Barra da Tijuca branch, 2019–2021).
Former Secretary-General of the International Law Commission – OAB/DF (2016–2018).
Founder of Màríelle Brito Law Firm, with distinguished practice in Brazil and abroad.
Recognized consultant and speaker on national and international stages.
Over 100,000 followers on social media.
Professor of Family Law, Inheritance Law, International Family Law, and Legal Entrepreneurship, with 7 recorded courses and over 100 hours of content available on Hotmart.
