Sergio Bermudes Advogados > Brasilia, Brazil > Firm Profile

Sergio Bermudes Advogados
71640-055 BRASILIA, DF

City focus - Brasilia > Litigation Tier 1

Sergio Bermudes Advogados 'brings together technical quality and strategic vision', and the team 'includes both renowned academics and lawyers with extensive experience in litigation'. The firm has a well-established presence in Brasília, where it fields a sizeable team of partners and associates. The team's experience in high-stakes litigation before the superior courts is of note, and the department is also equipped to assist clients before administrative bodies and regulatory agencies. André Silveira is highlighted for his 'great expertise in litigation'; Guilherme Coelho for his 'extensive knowledge in regulatory and insurance law'; and Flávio Jardim for his 'great knowledge of the Brazilian electricity sector'. Public law litigation experts Guiomar Feitosa Lima Mendes and Luis Felipe Lisboa are also key names in the team, which benefits from the input of its experienced associates, including Jessica BaquiAna Gabriela Leite Ribeiro, Mateus Rocha Tomaz and Ana Paula de Paula.

Practice head(s):

André Silveira; Guiomar Feitosa Mendes; Flávio Jardim


The lawyers are trained and are able to bring together technical quality and strategic vision.’

I especially recommend the partner Guilherme Coelho, who has extensive knowledge in regulatory and insurance law. He has experience in the areas, transmits security and is clear both when diagnosing legal complications and in pointing out possible solutions to the problems.’

Sergio Bermudes Advogados provides an excellent service, due to the high legal qualification of its team, which includes both renowned academics and lawyers with extensive experience in litigation.’

I would particularly recommend the partners: Flávio Jardim, who adds an academic profile (professor and doctor in law) with great knowledge of the Brazilian electricity sector and enormous experience in litigation. André Silveira, for his great expertise in litigation. Guilherme Coelho, for his strong profile and skills in litigation.’

The firm has a team of specialised lawyers, who are attentive and dedicated in dealing with their actions. Lawyers really delve into procedural issues, generating a service of quality and excellence.’

Guilherme Coelho, Adilson Macabu and Márcio Vieira. Always being accessible by WhatsApp or cell phone for discussion of strategies etc.’

Key clients

CNC – Confederação Nacional do Comércio

Leste Litigation Finance

Jus Capital

Jive Asset

DPSP – Drogaria Pacheco-Drogaria São Paulo


Banco Bradesco

BR Distribuidora

White Martins


Bradesco Seguros

Banco Safra

AMB – Associação da Magistratura Brasileira

NTU – Associação das Empresas de Ônibus Urbanos

Cassi – Caixa de Assist. dos Funcionários do Banco do Brasil

Fieam – Federação das Indústrias do Estado do Amazonas

Fenasaúde – Federação Nacional de Saúde Suplementar

Abradee – Assoc. Bras. dos Distrib. de Energia Elétrica

Abrace – Assoc. dos Grandes Consum. de Energia Elétrica

Abragel – Assoc. Bras. de Geração de Energia Limpa

Apine – Assoc. Bras. dos Prod. Indep. de Energia Elétrica

Sindifisco Nacional




Work highlights

  • Represented CNC in the Direct Action of Unconstitutionality (ADI) 3,435, regarding the unconstitutionality of a law that granted discounts of 15% to 30% for elderly people to buy medicines in private pharmacies and drugstores.
  • Represents ANEAA in a lawsuit filed against ANAC – the National Agency of Civil Aviation.
  • Represents White Martins in a R$2bn+ dispute against the Brazilian Competition Authority – CADE.

Brazil > Dispute Resolution: Arbitration Tier 1

Sergio Bermudes Advogados is a reference in the Brazilian market for commercial arbitration and alternative dispute resolution. Some of the largest companies, financial services players, high-net-worth individuals (HNWIs) and concessionaires routinely seek the team's advice on significant arbitrations arising from corporate, contractual and investment disputes, as well as cases related to insurance claims, energy and real estate projects. Renowned arbitrator Sergio Bermudes is also noted for his in-depth knowledge of ICC rules. Marcio Vieira Souto Costa Ferreira specialises in corporate cases both before the judiciary and arbitral panels. Key individual Fabiano Robalinho Cavalcanti is seasoned in cross-border and domestic arbitration proceedings, with a special emphasis on disputes relating to corporate and commercial law. Other noteworthy practitioners include Guilherme Valdetaro Mathias, who focuses on complex arbitrations involving corporate, commercial and financial contracts, and Caetano Berenguer, who is well versed in international arbitrations and proceedings arising from infrastructure contracts and M&A.

Practice head(s):

Sergio Bermudes; Marcio Vieira Souto Costa Ferreira; Fabiano Robalinho Cavalcanti


‘The firm provides a service of excellent technical and professional quality, consisting of a team capable of conducting complex arbitrations, which distinguishes it from others in the context of the national legal market. I recommend Fabiano Robalinho, a partner at the firm, as an individual who stands out for providing a service with technical quality.’

‘Fabiano Robalinho and his team are highly skilled and technically knowledgeable lawyers in the field of arbitration disputes. Fabiano Robalinho is a great lawyer who has advised us over time.’

‘High degree of specialisation and technical capacity; outstanding background; strategic skills in handling cases. Fabiano Robalinho is one of the most respected and recognised professionals in arbitration. He is extremely clear and objective, has great negotiation skills and significant experience in arbitration.’

‘Quality and commitment of the team of lawyers. Fabiano Robalinho and Caetano Berenguer stand out.’

Brazil > Dispute Resolution: Litigation Tier 1

Sergio Bermudes Advogados is a go-to destination for Brazilian and international clients engaged in high-stakes litigation. The firm is recognised for its extensive experience before administrative bodies, regulatory authorities and the superior courts, showcasing an impressive track record in Supreme Federal Court cases. The firm fields sub-groups focused on disputes pertaining to corporate and commercial agreements, public law, environmental issues as well as real estate, insurance and energy-related matters. Recently, the department has been particularly busy with cases arising out of the Covid-19 crisis, including Direct Actions of Unconstitutionality (ADI) against the Brazilian Quarantine Law and against state and municipal laws. The department relies on a stellar bench of leading litigators, including Marcio Vieira Souto Costa Ferreira and Fabiano Robalinho Cavalcanti, both of whom possess strong credentials in corporate and commercial litigation. They oversee the team alongside Sergio Bermudes, who is a key figure in the Brazilian dispute resolution market. Rafaela Fucci plays a key role in insurance-related matters, and judicial restructuring and disputes pertaining to the energy sector are among Ricardo Loretti Henrici's specialisms. Marcelo Fontes is a name to note for contractual disputes, while Caetano Berenguer excels in contentious matters involving infrastructure contracts.

Practice head(s):

Sergio Bermudes; Marcio Vieira Souto Costa Ferreira; Fabiano Robalinho


‘The service provided is of high quality, the strategy is designed to meet the clients’ needs and the result is always very satisfactory. What makes them different from other firms is the availability of the partners and the 360º view of the clients’ needs.’

‘I recommend Fabiano Robalinho as an individual who stands out for providing a service with technical quality and who understands the clients’ sector.’

‘Marcio Vieira Souto Costa stands out for his seniority, availability, creativity, involvement in matters and ability to handle sensitive and complex issues. Good experience in regional and superior courts.’

‘Caetano Berenguer is an exceptional lawyer, not only for his technical knowledge, but also for his quick reasoning and strategic thinking.’

‘Sérgio Bermudes is a lawyer with unique experience and several successes in the litigation area.’

‘Ricardo Loretti is exceptional in assisting clients with strategic and relevant cases.’

‘The technical knowledge of the team is unique. Without a doubt, the best in Brazil in its area of ​​expertise.’

‘Sergio Bermudes Advogados’ team is extremely committed to the work and client. The technical quality of the professionals is a definite standout. I am convinced that it is the best dispute resolution firm in Brazil, both in arbitration and litigation matters.’

Key clients


Via Varejo

Banco Bradesco

Bradesco Seguros



Votorantim Cimentos



Telefonica Vivo

Federação Nacional de Saúde Suplementar (FenaSaúde)

Technip Engenharia

Concer – Companhia de Concessão Rodoviária Juiz de Fora-Rio

Work highlights

  • Defends Vale in significant matters, including concerning environmental disasters: the tailing dam collapses in Mariana in 2015 and Brumadinho in 2019.
  • Represents Braskem in a R$6.7bn lawsuit filed by the Federal Prosecutor’s Office.
  • Represents Enel in a dispute against the state of Goiás seeking reparatory measures due to multiple breaches of the privatisation contract of CELG-D.

Brazil > Restructuring and insolvency Tier 2

Sergio Bermudes Advogados is especially well regarded for its contentious insolvency expertise, which forms a key part of its offering within its top-tier dispute resolution practice. The firm advises both creditors and debtors on high-profile bankruptcy filings and restructuring procedures. Marcelo Lamego Carpenter has nearly 30 years' experience in the market, and enjoys an excellent reputation for related litigation work. He is backed by a strong team, including partners Thaís Vasconcellos de Sá, Ricardo Loretti Henrici and Eric Cerante Pestre. The team also has good expertise in non-judicial restructurings and negotiations, and is especially active in the oil and gas, natural resources, telecoms and banking sectors.

Practice head(s):

Marcelo Lamego Carpenter; Ricardo Loretti Henrici

Key clients


Banco BTG Pactual

JP Morgan


Enforce Group

York Global Finance

Aurelius Capital

Banco Pan

Jive Asset Management


Work highlights

  • Representing several parties, including York Global Finance Fund, Globosat/Grupo Globo and others, in the R$80bn+ reorganisation proceedings of the Oi group.
  • Representing João Fortes Engenharia in its filing for bankruptcy – considered the first judicial restructuring filed after the pandemic decree in Brazil – in April 2020.
  • Representing Sete Brasil Group in its R$19.5bn judicial reorganisation.

Brazil > Insurance Tier 3

The reputation that Sergio Bermudes Advogados has established for high-end litigation and arbitration extends to the insurance industry; the firm regularly represents major insurers and reinsurers in large claims, often with a cross-border element. The practice is also well versed in administrative proceedings in the pensions, motor and life insurance sectors. Further support is provided on regulatory issues, including advice on policy clauses, distribution and bancassurance agreements and brokerage issues. The firm fields a team of highly experienced litigators, including Guilherme Valdetaro Mathias, Rodrigo Tannuri and Marcio Vieira Souto Costa Ferreira. Newer partners such as Rafaela Fucci are also highly experienced.

Practice head(s):

Marcio Vieira Souto Costa Ferreira; Guilherme Valdetaro Mathias


‘The firm has always responded with high quality to the demands we made concerning insurance and health plans, where they show great knowledge.’

Sergio Bermudes is an office with high technical capacity. In-depth knowledge of the company’s (insurance) topics, in addition to the law in various specialties, with emphasis on civil proceedings.’

Guilherme Valdetaro Mathias and Marcio Costa are professionals who stand out due to their high technical capacity and commitment.’

The office has always responded with high quality to the demands we made of it in terms of insurance and health plans. They present their lines of argument in advance. They demonstrate great knowledge in the areas.’

Key clients





IESS – Instituto de Estudos de Saúde Suplementar

Bradesco Seguros

Bradesco Auto RE

Bradesco Saúde

Bradesco Vida e Previdência

IRB Brasil RE

Caixa Seguros

Sul America Seguros


Work highlights

  • Defended Chubb Seguros in a R$1bn matter regarding an event that occurred at the Port of Santana in state of Amazonas.
  • Representing Fenasaúde in several matters, including a special appeal before the Superior Court of Justice (STJ), concerning the National Health Agency list of services that must be provided by health insurance programmes.
  • Advising CNSeg – Confederação Nacional das Empresas de Seguros Gerais, Previdência Privada e Vida, Saúde Suplementar e Capitalização on multiple appeals filed before the STJ.

Energy and natural resources > Electricity (and renewable energy) Tier 4

Sergio Bermudes Advogados is a top player in the dispute resolution market in Brazil, and has been increasingly involved in administrative disputes, appeals and regulatory issues pertaining to the power sector. Typical mandates include representing power concessionaires and companies across all electricity segments in complex disputes and project approvals. Vitor Ferreira Alves de Brito, who devotes his practice to the electricity sector and specialises in regulatory matters, heads up the department with dispute resolution specialist Marcio Vieira Souto Costa Ferreira. Lawyer and economist Elena Landau handles a steady stream of contentious matters involving electricity regulatory issues.

Practice head(s):

Vitor Ferreira Alves de Brito; Marcio Vieira Souto Costa Ferreira


‘Sergio Bermudes Advogados provides an excellent service, due to the high legal qualification of its team, which includes both renowned academics and jurists with extensive experience in litigation.’

Key clients

Abradee – Assoc. Brasileira dos Distribuidores de Energia Elétrica

CCEE – Câmara de Comercialização de Energia Elétrica









Work highlights

  • Represents Abradee in a declaratory action brought by Santo Antonio Energia against ANEEL, as well as in several Direct Actions of Unconstitutionality (ADIs).
  • Defended Light in a Public Civil Action brought by the Legislative Assembly of the state of Rio de Janeiro (Alerj) aiming at making Light comply with a city law which prohibited the cutting of essential services – including power – during the Covid-19 pandemic.
  • Represented Energisa in filing a lawsuit against CCEE regarding the Energy Development Account (CDE).

Brazil > Environment

Sergio Bermudes Advogados’ team of highly experienced environmental litigators acts in high-stakes public civil actions, environmental accidents, indigenous law and licensing issues throughout the country.


The firm: Sergio Bermudes Advogados is widely regarded as one of the leading litigation firms in Brazil. This reputation is largely based on the skill-set of our attorneys before courts, national and international arbitral tribunals and administrative bodies, representing clients in lawsuits and arbitration proceedings involving a broad range of legal issues including civil law, corporate and commercial, administrative and regulatory law, insolvency and judicial recovery, economic and competition law, insurance law, real estate law, consumer law, environmental law, intellectual property, privacy and media law, private international law (conflict of laws) and electoral law.

The firm also provides general advice and assistance, particularly in relation to business law, aimed at avoiding future litigation by means of carefully considered and drafted contracts and other agreements, and calculated structuring of commercial transactions in such a way as to minimize the risk of future conflict.

Specialist advice is offered to foreign clients on the legal aspects surrounding the execution of any business in Brazil, including the drafting of contracts and agency agreements, establishing companies both in Brazil and abroad, and specific advice and assistance at every stage of the operations.

Highly specialized team and core values: Our legal staff are highly trained, experienced and committed to keeping up with the latest development in law and practice and this is reflected in the quality of the legal solutions offered by Sergio Bermudes Advogados. Ethics and transparency are at the heart of our commitment to providing our clients with high quality consultancy services and representation before courts and arbitration tribunals.

The success of the firm and our members is reflected in our ranking in the major domestic and international law firm ratings.

Tradition and experience: We are proud to be considered one of the country’s leading law firms, based on our five decades of service to clients from various economic sectors.

We act for several leading foreign and domestic corporations and conglomerates from the fields of finance, industry, commerce, energy, transport, media and communications, as well as public service concessionaires, foundations and associations. Our services cover legal and strategic advice, assistance and representation in judicial and arbitration proceedings involving issues of civil, commercial, bankruptcy and restructuring, administrative, regulatory, insurance, antitrust, intellectual property, real estate, consumer, environmental and energy law and others.

The firm also represents individual clients, notably local and national politicians and public figures, on issues of electoral law, copyright, privacy issues and others. Our lawyers are also frequently asked to provide expert legal opinions on complex issues of law and litigation practice.

Continuous learning: Professional development is a core value of the firm. Most of our lawyers were interns at the firm and we encourage them to continue to develop their academic and professional skills. The firm actively supports members that wish to pursue specialist postgraduate training, in Brazil or abroad. Several of the partners teach part time at local universities and professional training bodies as part of the firm’s commitment to the education and training of future lawyers.

The firm has one of the largest law libraries in the country, with over 20 thousand Portuguese and foreign-language volumes.

Recognition: The firm has, for several years, topped the rankings of specialist law reviews and journals, having, over its 50-year history, handled several major lawsuits with national and transnational significance.

For more information, please visit

Marcio Vieira Souto Costa
Alexandre Sigmaringa
Guilherme Valdetaro
Fabiano Robalinho
Pedro Marinho
Alessandra Marques
Antonella Marques
Antonio Carlos
Carolina Cardoso
Guiomar Feitosa
Luís Felipe Freire
Marcelo Gonç
Philip Fletcher
Ricardo Loretti
Roberto Sardinha
Vitor Alves de
Partners : 120
Of counsels : 8
Other fee-earners : 140