Founded in 1948.

Over more than half century of history, SiqueiraCastro – Advogados has served clients in all areas of Business Law, always creatively, securely and effectively. To do this, the Firm maintains the same standards of professional excellence as the most respected international law firms, in the belief that representing business requires a businesslike organization, meaning a complete and flexible structure that gathers highly qualified specialists in all areas of law involved in serving companies.

SiqueiraCastro – Advogados is proud to have assisted companies that stand out in the most diverse sectors of the Brazilian and international economy. Companies of all sizes and sectors that choose SiqueiraCastro - Advogados have the peace of mind of counting on over half a century of efficiency, responsibility and victory in all areas of Business Law, along with the certainty of receiving timely assistance in all regions of Brazil and the main countries of the world.

SiqueiraCastro - Advogados has offices in Brazil's most important cities, economically strategic centers that enable quick access to all regions of the country:

Rio de Janeiro, São Paulo, Brasília, Fortaleza, Belo Horizonte, Salvador, Porto Alegre, Recife, Natal, João Pessoa, Aracaju, Vitória, Maceió, Teresina, São Luis, Manaus, Belém, Goiânia e Porto Velho.

Besides this, in order to expand its international presence and in this way satisfy the growing need of Brazilian companies with interests in Europe and European firms with investments in Brazil, SiqueiraCastro - Advogados opened two offices abroad, in Lisbon, Portugal and Angola (Africa). This geographic distribution is complemented by operating alliances with respected law firms in other Brazilian cities as well as throughout Latin America, North America, Asia and Europe