CAMARB was founded in 1998 under the name of the Minas Gerais Arbitration Chamber, initially linked to the Federation of Industries of the State of Minas Gerais (FIEMG).

Two years later, with the support of FIEMG, other business and academic entities, such as the Institute of Lawyers of Minas Gerais (IAMG), the Pontifical Catholic University of Minas Gerais (PUC Minas), the Heavy Construction Industry Union of the State of Minas Gerais (SICEPOT-MG) and the Brazilian Rural Society (SRB), CAMARB became an association with autonomy and functional independence. Currently, the Portuguese-Brazilian Chamber of Commerce and Industry is also one of its associated entities.