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Guilherme Vieira da Silva


Experience Summary

Guilherme Vieira da Silva is a partner of the M&A practice of Demarest Advogados. Starting in 1998, Guilherme has constructed an extensive experience representing Brazilian and international clients on a number of complex multi-national acquisitions, sale of assets, formation of joint ventures and structuring of corporate governance models. He has been recognized by publications and has worked on deals named for international awards. Guilherme Vieira da Silva is particularly focused on transactions involving regulated industries such as Healthcare Services and Real Estate to deliver clients a combination of industry knowledge, in depth regulatory understanding and strategic planning to assist clients navigate the Brazilian business environment. 


  • Represents DaVita Health Care in the acquisition of more than 20 heath clinics in Brazil;
  • Represented TIAA-CREF Teachers Insurance and Annuity Association of America, a Fortune 100 financial services organization with over USD 880 billions in assets under management with holdings in more than 50 countries, in the acquisition from COSAN S.A of the majority of the economic interests of the Brazilian real estate investment companies Radar Propriedades Agrícolas S.A. and Radar II Propriedades Agrícolas S.A., with a portfolio of over R$2 billion;
  • Represented Vale S.A. in the US$5 billion divestiture in the divestiture from their  aluminum business to the Norwegian Norsk Hydro, coupled with the issuance of newly issued shares in Oslo's stock exchange.
  • Represented Telefónica in the divestment from its call center Atento present in Latin America, Europe and North Africa, in a transaction that totaled more than €1 billion.
  • Represented Mitsui & Co. Ltd. in the acquisition and consolidation of controlling interest in Brazil's grain producer and exporter Multigrain S.A.
  • Represented Lindt & Sprüngli, the world-class premium chocolate manufacturer in the formation of the joint venture in Brazil with Kopenhagen – Brazil's top premium chocolate manufacturer
  • Represented Multigrain S.A. in the acquisition of stock of PMG Trading S.A.
  • Represented the Spanish power-engineering company Cobra in the sale of the Atlântico transmission lines assets to State Grid Brazil Holding S.A.
  • Represented Japan's multinational printing company Ricoh Latin-American in the joint venture with Selbetti for software carriage.
  • Represented Bunge Alimentos S.A. in the acquisition of the tomato business line of "Etti", "Salsaretti", "Puropurê" and "Cajamar" from Hypermarcas S.A.Hypermarcas S.A.
  • Represented Caterpillar Global Mining in the cross-jurisdiction global sale of the  Bucyrus equipment distribution and support business for Brazil to Sotreq S.A.
  • Represented AFGlobal Corporation in the acquisition of oil & gas assets from Fluke Subsea Soluções e Serviços Ltda.
  • Represented Brazil's Multigrain S.A. on a US$500 million syndicated loan agreement backed by export receivables with a consortium of banks led by ING Capital LLC, ABN AMRO Bank N.V., and Crédit Agricole CIB.
  • Represented Vale S.A. in the sale of Pará Pigmentos S.A., a kaolin mining company, to French company Imerys.
  • Represented Vale S.A. in the sale of CADAM S.A. to KaMin.
  • Represented Vale Soluções em Energia - VSE – the renewable energy start-up company of Vale S.A. – in the formation of joint ventures for the acquisition of power generators.
  • Represented Renova Energia S.A. in the investment made by Light S.A. na Renova, through private subscription of newly issued shares in the total amount of R$360 million.
  • Represented Siemens in the acquisition of 100% of equity in of valve manufacture in Brazil.
  • Represented Maersk Energia Ltda. in the sale of oil & gas assets of Polvo field to HRT O&G Exploração de Petróleo Ltda.
  • Represented GRM Document Management in the acquisition of 100% of the equity of the document storage company Stock Armazenagem de Documentos.
  • Represented BodyCote International Ltd. in the acquisition of heat treatment assets in Brazil.
  • Represented Sonangol P&P in the private tender offer for the acquisition of total outstanding capital of Starfish Oil and Gas, valued at US$300 million.
  • Represented FUNCEF, one of Brazil's largest pension funds, in the consolidation of participation and restructuring of  debt of "Wet'n Wild" water part in Brazil.
  • Represented SNC/Lavalin in the acquisition of 100% of the equity participation in the Brazilian engineering company Marte Engenharia Ltda.
  • Represented Nigri Engenharia in the sale of real estate assets to Banco Votorantim.
  • Represented ThyssenKrupp Stall in the sale of iron ore producer, Ferteco S.A., to Vale S.A. in the amount of US$500 million.
  • Represented Incorporadora Pinheiro Pereira in the sale of real estate assets on a stock-for-stock deal with Grupo João Fortes.
  • Represented Biotest AG, a German biomedicine producer, in the acquisition of 100% of the stock of Marcos Pedrilson Produtos Hospitalares Ltda.
  • Represented Noble Corp. in the spin off reorganization of high-spec and low-spec assets in Brazil to be followed by an initial public offering of up to 20%.
  • Represented Cameron in the spin-off reorganization of assets in Brazil for the sale to Schlumberger.




  • 2006: Northwestern University School of Law, LLM, with honors
  • 2005: Universidade do Estado do Rio de Janeiro, Specialization Course in Civil and Constitutional Law
  • 2002: Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), BA in Law (J.D. equivalent)


Portuguese; English

Practice Areas


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