Shearman & Sterling represented VisaNet and its principal selling shareholders, Visa International, Banco do Brasil, Banco Bradesco and Banco Santander, in the US$4.3 billion (R$8.4 billion) initial public offering of VisaNet's common shares. This record-breaking IPO is the largest ever in Brazil and the world's largest IPO this year. VisaNet is the leading company in credit and debit card transaction processing in Brazil.

The principal attorneys involved were partners Andrew Janszky and Robert Ellison and associates Fabiana Sakai, Tobias Stirnberg, Ana Absy and Luciana Fraga (all São Paulo).