GAR 100 - 16th Edition

MAMG Advogados

MAMG Advogados

Professional notice

A fresh start for the former L O Baptista disputes team

People in Who’s Who Legal2
People in Future Leaders3
Pending cases as counsel40
Value of pending counsel workUS$3 billion
Treaty cases as counsel0
Third-party funded cases0
Current arbitrator appointments26 (1 as chair or sole)
Lawyers sitting as arbitrator4

This São Paulo firm was launched in 2019 as Macedo Garcia Advogados. Founder Paulo Macedo Garcia Neto had been a partner at L O Baptista Advogados during its heyday as one of Brazil’s leading arbitration firms. He was joined soon after by a second partner, former Levy & Salomão lawyer Mariana Capela Lombardi Moreto.

In 2021, L O Baptista’s entire arbitration practice – including partners Fernando Marcondes, Silvia Julio Bueno de Miranda, Rafael Francisco Alves and Alberto Sanz Sogayar – left to join Garcia’s firm, which then rebranded as MAMG Advogados.

Three former senior associates at L O Baptista – Mariana Cattel Alves, Lígia Espolaor Veronese and Bruno Panarella – also joined the partnership at MAMG, bringing the total number of partners to nine.

Marcondes is particularly well known in the construction and infrastructure space and is the Brazilian representative at the Dispute Resolution Board Foundation. 

Who uses it?

Clients are mostly Brazilian, including sewage utilities company Sagua, construction company Jurema and highway concessionaire VIABAHIA.

Track record

While at L O Baptista, Bueno de Miranda and others helped Brazil’s national development bank BNDES defeat a US$250 million claim brought by Ecuador’s state power utility Hidropastaza, which concerned a loan for a hydropower plant.

MAMG is representing Sagua in an arbitration against the city of Guarulhos in São Paulo over alleged breaches of concession agreement for the sewage system of the city, which the city authorities purportedly terminated. The firm secured a positive partial award in 2021, which found that the city wrongfully terminated the contract. 

Recent events

Much of the firm’s work is confidential, but it is representing VIABAHIA in a Brasilia-seated CAM-CCBC arbitration with Brazil’s National Land Transport Agency over a concession contract that the firm’s client is seeking to renegotiate. The contract is worth more than US$500 million.

It is acting for Jurema in an ICC arbitration with the state of Bahia over a World Bank-financed project to restore and maintain highways. MAMG is also acting on related litigation before the Brazilian courts.

MAMG Advogados is a boutique firm focused on dispute resolution, particularly arbitration and strategic litigation, formed by professionals with a deep experience in the area, who have participated in hundreds of arbitrations proceedings. Founded on pillars such as ethics, excellence, humanism, respect for people, and innovation, MAMG advises Brazilian and international companies in complex arbitrations and litigations that are relevant to the client's business, offering a 360° approach to each case, aiming not only to analyze all possible angles of each dispute, but also to avoid future conflicts. MAMG also provides strategic consulting services in risk assessment, legal opinions, and highly complex infrastructure projects.


Experience, know-how and expertise in arbitrations, both national and international. Professionals listed as arbitrators before all the most important Brazilian chambers of arbitration and who have participated or are participating in various commissions in national and international arbitration institutions, such as the International Council for Commercial Arbitration (ICCA), the Brazilian Arbitration Committee (CBAr), ICC, ICDR, CCBC, AMCHAM, FIESP, IBDIC, and others. Performance on complex arbitrations involving construction, corporate, M&A, Infrastructure, among various others. Recognized as one of the best arbitration teams in the Brazilian market. Current caseload of more than 40 ongoing arbitrations.


Assertive and speedy performance, with the preparation of the strategy and conduction of high complexity lawsuits before the main Brazilian courts in different areas such as energy, construction, corporate law, agribusiness, banking, contractual, real estate, antisuit arbitration cases, among others.

Negotiation, Mediation and Dispute Preventio

Vast experience in complex negotiations, both to avoid future dispute, or during the course of proceedings, always seeking the best result for the client. Professionals trained as mediators and with experience to assist clients in mediations, seeking to create value and the best possible outcome. Expertise and creativity in drafting the strategy to be showcased in dispute prevention mechanisms as to strengthen commercial relationships and support the most efficient allocation of resources.

Task Forces

MAMG Advogados has currently nine active Task Forces (TFs), which are Working Groups created to ensure even more collaborative, horizontal and transparent management at our firm. The TFs are divided per topics: People Management and Well-Being, Institutional and International Relations, Parenting, Compliance, Research and Development, IT and Data Protection, Environment and Sustainability, Plurality and Inclusion, and Pro Bono and Relations with the Society. Each TF has the participation of interns, lawyers, partners, and professionals from the firm’s administrative team. The projects, as well as the decisions made by the TFs, are defined by the majority, and all those involved have the same right to speak and vote.


Our firm and professionals are highly regarded by the most prestigious international legal directories, such as GAR100, Chambers and Partners, The Legal 500, Leaders League, Latin Lawyer, Who's Who Legal, and others.

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