Mining GMI works with the leading mining companies in Peru. We have the capacity and experience to execute Copper, Gold, Silver and Iron Mining Projects at various stages and segments; assuring cost levels and adding value to our customers.

Our experience includes the preparation of studies, engineering, supervision, geomatics and EPCM services for industrial processes and mining infrastructure. Likewise, we have also entered into many Framework Agreements for projects in situ with major mining companies. See projects

  • Sistemas de agua fresca, desagüe, agua desechada, recuperada y filtraciones para Fluor
  • Nuevo Silo y Sistema de Descarga Neumática de Calcina para Votorantim Metais
  • Proyecto By-Pass al Molino Principal SAG – Opción #5 para Antamina
  • Plantas de Tratamiento de Aguas Ácidas AWTP La Quinua y AWTP Pampa Larga para Minera Yanacocha
  • Planta De Acido de Cobre, Servicios de Gestión de Materiales y Equipos para Doe Run
  • Proyecto Minero San José para Minera Santa Cruz


About Us

GMI, a leading Engineering Consultancy company in Peru, it has over 28 years of experience developing work style based on the same values that define the Graña y Montero Group, which are Quality, Compliance, Reliability and Efficiency...

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Awards and Certifications

GMI has many awards and certifications that support its leadership ability.

It has an Integrated Management System (IMS), consisting of three systems:

About awards and certifications


GMI has an affiliated company called ECOTEC, which specializes in environmental consulting services and operates through four business lines: Environmental Studies, Environmental Technology, Environmental Services and Permitting.