Guilherme Dantas - SiqueiraCastro
Guilherme Dantas
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Guilherme Dantas

Guilherme Dantas


Rua Tabapuã, 81 – 4º andar
04533-010 São Paulo – SP

+55 11 3704-9840
+55 11 3594-0900


• Corporate Law
• Mergers and Acquisitions
• Contracts
• Private International Law
• Commercial Law
• Competition Law
• Banking Law
• Telecommunications
• Civil Law
• Court-Supervised Reorganization and Bankruptcy
• Media and Entertainment Law
• Third Sector

• Law Degree from Pontifical Catholic University of Campinas (PUC-Camp) Law School, in 1996
• Postgraduate specialization in telecommunications law from Getulio Vargas Foundation (FGV/SP)
• Postgraduate specialization in economic law from Getulio Vargas Foundation (FGV/SP)
• Specialization in Judicial Recovery and Bankruptcy – INSPER
• Languages: Portuguese, English, Spanish and German

• Member of the Brazilian Bar Association, São Paulo State Chapter
• Member of the Brazilian Bar Association, Rio de Janeiro State Chapter
• Member of the Association of Lawyers of São Paulo – AASP
• Member of the International Bar Association – IBA
• Representative of Brazil with the Association of International Tax Consultants – AITC
• Former Board Member of the AITC
• Former Board Member of Avrio Avocati
• Member of the Corporate Law Committee OAB / SP (2017/2018 biennium)
• Member of the Deliberative Council of IBRAC (Brazilian Institute of Competition Studies, Consumption and International Trade) – Management 2018/2019

• Parner with Siqueira Castro – Advogados
• Founder and Partner of Dantas, Lee, Brock & Camargo Advogados.
• Partner with Manhães Moreira Advogados
• Consultant with KPMG
• Legal representative, board of directors member and executive of various Brazilian subsidiaries of multinationals, in particular in the technology sector
• Board member of third-sector entities in the areas of education and culture
• Former visiting professor at UniSantana – Tax law
• Former visiting professor at UniSantana – Foreign trade law
• Teaching assistant in constitutional law at PUC-Campinas
• Teaching assistant in procedural law at PUC-CAmpinas

• Recognized by Client Choice – International Law Office (ILO) in Brazil in category General Corporate
• Elected by The Legal 500 Latin America one of the best lawyers in Brazil in the area of Banking and Finance
• Elected by Análise Advocacia as one of the most respected lawyers in Brazil in the areas of Commercial Contracts, International Trade and Corporate law
• Elected by Análise Advocacia one of the most admired lawyers in Brazil by companies in the following industry sectors: Construction and Engineering, Electronics, Electric Power, Pharmaceutical and Technology
• Elected by IFLR Energy & Infrastructure as one of the best Brazilian lawyers
• Elected by Leaders League as one of the best Brazilian lawyers in the area of Competition / Antitrust, Equity and Debt and Corporate Law and M&A