Compañía de Minas Buenaventura S.A.A. engages in the exploration, mining, concentration, smelting, and marketing of polymetallic ores and metals in Peru, the United States, Asia, and Europe.

The company explores for gold, silver, lead, zinc, and copper metals. It operates operating mining units, including Tambomayo located in the Caylloma province, Orcopampa Unit located in the province of Castilla, Uchucchacua located in province of Oyón, Julcani located in province of Angaraes, Peru, as well as San Gabrie located in the province of General Sánchez Cerro, in the Moquegua region.

The company also owns interests in Colquijirca, La Zanja, Cerro Verde, El Brocal, Coimolache, Yumpaq, San Gregorio mines, and Trapiche mining unit.

In addition, it produces monohydrate manganese sulphate; and operates hydroelectric power plants. The company was incorporated in 1953 and is based in Lima, Peru.