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Guarnera Advogados is a Brazilian law firm and business consultancy, which started its activities in São Paulo in 1990, with the main mission of providing consultancy to foreign businessmen willing to invest in Brazil.
As a result of its professionalism, quality and efficiency, the office has been awarded by several Brazilian and foreign institutions during its existence.
With 40 professionals in its Brazilian offices who work in different legal areas (corporate, contractual, litigation, immigration, labour law, tax law, Central Bank and Real State), the office delivers high-quality services and multidisciplinary vision.
From the very beginning, the firm’s partners have been mandated to manage many big and mid-sized foreign companies in the country, regarding not only the legal aspects, but also tax and accounting supervision.
International Presence
Guarnera Advogados has also been present in Italy since the beginning of its activities. This solid and constant presence is characterized by frequent stay in the European country, with the aim of holding seminars, organized together with Italian entities and financial institutions, such as Industrial Associations, Chambers of Commerce in Italy and Brazil, Italian Trade Agency – ICE, Ministry of Development, Sace, Simest, Italian Embassy and Consulates in Brazil, Brazilian Embassy in Rome and Brazilian Consulate in Milan, in addition to several other Financial Institutions, such as Banca IntesaSanpaolo, Unicredit, Bper and Banca Popolare de Sondrio.
Since the beginning of 2014, Guarnera Advogados has decided to open a representative office in the city of Milan, which is one of the most active commercial centres in Europe nowadays, in order to market the commercial opportunities in Brazil to foreign operators and seize opportunities for Brazilian companies in Europe, in collaboration with several specialized offices in Italy and Europe.
The Guarnera team
Partners

Giacomo
Guarnera
Founder and
Managing Partner

Anna Lucia
Gonçalves
Partner

Renata Aidar G.
Braga Netto
Partner

Marco Aurelio
Cunha
Partner
Giacomo Guarnera
Founder and Managing Partner
Location: São Paulo
Phone: +55 (11) 3488-4600
E-mail: guarnera@guarnera.com.br
Founding Partner of Guarnera Advogados
Knight of the Order of Merit of the Italian Republic, 2002
Education
- Bachelor’s Degree in Law with honors, from the Faculty of Law of Palermo, 1985;
- Lawyer in Italy since 1989;
- Bachelor’s Degree in Law from the University of São Paulo (USP), 1994;
- Member of the Brazilian Bar Association (OAB) – São Paulo Section, since 1995;
- Member of the Bar Association of Milan, since 2024.
Positions and responsibilities
- Founder and Managing Partner of the law firm Guarnera Advogados since 1990, with headquarters in São Paulo and Milan;
- President of the “LIDE Italia”, since 2023;
- President of the “Promo Brasile Italia” Association, Milan, since 2020;
- President of the “Itálicos do Brasil” Association, São Paulo, since 2019;
- Alternate Board Member of the “Italian-Brazilian Chamber of Commerce and Industry of Paraná – Italocam”, since 2025;
- President of the Ethics Committee of the “Confederação Brasileira de Esgrima” (Brazilian Confederation of Fencing), Rio de Janeiro, from 2019 to 2022;
- Foreign Delegate for Brazil – ASSORETIPMI – “Associazione Reti di Imprese PMI”, 2021/2022 term;
- President of the “Patronato ACLI” São Paulo, since 2018;
- Member of the “Omnia Italian Desk nel Mondo,” since 2018;
- Vice President of the G.E.I. “Gruppo Esponenti Italiani” São Paulo, since 2017;
- Founding Partner and Secretary-Director of the G.E.I. “Gruppo Esponenti Italiani” São Paulo, from 2000 to 2017;
- Founder and President of the “São Lourenço” Association, São Paulo, since 1997;
- Founder and President of the “Abbà Brasile – Formazione e Sostegno alla Gioventù” Association, from 2005 to 2019;
- Founder and President of the “Esgrimaster Brasil” Association, from 2013 to 2019 and since 2023;
- Secretary-Director of the “Federação Paulista de Esgrima” (São Paulo Fencing Federation), from 2017 to 2019, after being appointed Interventor of the “Confederação Brasileira de Esgrima” (Brazilian Fencing Confederation), January/March 2017;
- Founder and President of the “ACLI” Association, São Paulo, from 1999 to 2009 and in 2012. Vice President from 2009 to 2012;
- Founder and President of the “Câmara Ítalo-Brasileira Júnior” (Italian-Brazilian Junior Chamber), from 1992 to 1998; Member of AIJA “Association Internationale des Jeunes Avocats”, until 2007;
- Member of the Board of the “Circolo Italiano” São Paulo, from 1999 to 2002;
- Winner of the “Legal Awards 2017” by Legal Community as “Office of the Year”;
- Winner of the “Boutique of Excellence of the Year in the Italy-Brazil Relationship” Award, by Le Fonti Awards, in 2017;
- Administrator, attorney, and legal representative of several foreign companies in Brazil.
Languages
Italian, Portuguese, English, Spanish, French, and German.
Practice Area
Founder of the firm in 1990, he is responsible for the areas of M&A, Joint Ventures, International Contracts, Arbitration, Commercial and Corporate Litigation, International Legal Proceedings, International Law, Italian Law, and Real Estate Law.
Anna Lucia Gonçalves
Partner
Location: São Paulo
Telephone: +55 (11) 3488-4600
Email: annalucia@guarnera.com.br
Academic Qualifications
- Graduated in Law from Faculdades Metropolitanas Unidas de São Paulo – UNIFMU/SP;
- Member of Ordem dos Advogados do Brasil since 1999 – Secção de São Paulo;
- Posgraduate – PUC/RS – People Management: Careers, Leadership and Coaching – September 2020 to September 2021.
Areas of expertise
Joint Ventures, International Contracts, Corporate Law, Real Estate Law, Third Sector and Global Mobility.
Languages
Portuguese and Italian.
Renata Aidar Garcia Braga Netto
Partner
Location: São Paulo
Telephone: +55 (11) 3488-4600
Email: renata.aidar@guarnera.com.br
Partner at Guarnera Advogados since 2013
Academic Qualifications
- Graduated in Law from Universidade Presbiteriana Mackenzie;
- Post-graduate degree in Economics and Company Law from Fundação Getúlio Vargas – GVLaw;
- Membro da Ordem dos Advogados do Brasil desde 2005 – Secção de São Paulo.
Areas of expertise
Advisory and Civil Litigation, Consumer Law, Real Estate Law and Arbitration.
Languages
Portuguese, Italian and English.
Marco Aurelio Cunha
Partner
Location: São Paulo
Telephone: +55 (11) 3488-4600
Email: mcunha@guarnera.com.br
Partner at Guarnera Advogados since 2018
Academic Qualifications
- Graduated in Law from Pontifícia Universidade Católica de São Paulo (PUC-SP);
- Post-graduate degree (lato sensu) in Corporate Law at Fundação Getúlio Vargas – GV Direito;
- Master in Commercial Law from Universidade de São Paulo (USP);
- Member of Ordem dos Advogados do Brasil since 2007 – Seção São Paulo.
Areas of expertise
Corporate Law, International Contracts, Joint Ventures and Mergers and Acquisitions.
Languages
Portuguese, Italian and English.
Marlene Gomes de Oliveira
Lawyer
Location: São Paulo
Telephone: +55 (11) 3488-4600
E-mail: moliveira@guarnera.com.br
Academic training
- Graduated in Law from Faculdade de Direito da Universidade São Marcos – USM;
- Post-Graduated in Civil and Civil Procedural Law from Escola Paulista de Direito – EPD;
- Member of Ordem dos Advogados do Brasil desde 2007 l – Secção de São Paulo;
Areas of expertise
Civil Litigation, Civil Law, Consumer Law, Family and Inheritance Law.
Languages
Portuguese and Italian.
Raquel Selene Rizzardi
Lawyer
Telephone: +55 (11) 3488-4600
E-mail: rrizzardi@guarnera.com.br
Academic training
- Bachelor of Laws from Universidade Paulista – UNIP;
- Postgraduate degree in Labor Law and Procedure from Universidade Presbiteriana Mackenzie and in Law and Civil Procedure from Faculdade Legale;
- Member of the Brazilian Bar Association since 2010 – São Paulo Section.
Areas of expertise
Labor Law, Collective Bargaining and Auditing
Languages
Portuguese and English
Brenda Ferregutti
Lawyer
Location: São Paulo
Phone: +55 (11) 3488-4600
E-mail: bferregutti@guarnera.com.br
Education
- Bachelors in law – Faculdade Pitágoras, Minas Gerais.
- Post-Graduate in Business Law – IBMEC, São Paulo.
Practice Area
Corporate Law, M&A and Contracts.
Languages
Portuguese and English
Raphael Romaris Costa
Lawyer
Location: São Paulo
Telephone: +55 (11) 3488-4600
E-mail: rromaris@guarnera.com.br
Academic Qualifications
- Graduated in Law from Universidade São Judas Tadeu – USJT
- Post-Graduated in Contract Law from the Pontifícia Universidade Católica de São Paulo – PUC-SP
- Member of the Ordem dos Advogados do Brasil since 2020 – Secção de São Paulo
Practice Areas
Corporate Law and Contracts
Languages
Portuguese and English
Vanessa Iannibelli
Lawyer
Location: São Paulo
Telephone: +55 (11) 3488-4600
E-mail: viannibelli@guarnera.com.br
Academic Qualifications
- Graduated in Law from Pontifícia Universidade Católica do Rio de Janeiro (PUC-RIO)
- Post-graduated in Tax Law from Fundação Getúlio Vargas do Rio de Janeiro (FGV-RIO)
- Member of the Brazilian Bar Association since 2014
Area of Expertise
Tax Law
Languages
Portuguese and English








