Mining: We have been involved in major mining projects developed in Peru, such as: Cuajone, Antamina, Pierina, AltoChicama, Cerro Verde, amongothers. We have performed projects including earthmoving, operation of open pit mines, concentrator plants, acid plants, refineries, and industrial tanks. Likewise, We have participated in important international projects such as the San Cristóbal mining project in Bolivia, and Pueblo Viejo in the Dominican Republic. See projects

Las Bambas

News and Events

02.09.2016 One of the 10 most admired companies in Peru
For the fifth consecutive year, we were recognized as one of the “10 Most Admired Companies in Peru” ... leer más
13.06.2016 Graña y Montero will build schools in 14 cities in Colombia
Yesterday, the Graña y Montero Group was awarded the Buena Pro for the project “Group N° 2: Design, Technical Studies and Construction contract in the Coffee and Pacific zone which executes the Educational Infrastructure projects in Colombia”.. leer más
13.06.2016 One of the top five companies which attract and retain talent in Peru
Grupo Graña y Montero was ranked 5th in the ranking of the best companies attracting and retaining talent in Peru... leer más
12.04.2016 Publication of the Integrated Annual Report for 2015
We are pleased to announce the publication of our Integrated Annual Report for 2015, approved at the Annual General Shareholders Meeting held on March 29th, 2016 ... read more
07.03.2016 GyM to sponsor the PDAC 2016
29.09.2015 Graña y Montero announces participation in Peruvian Southern Gas Pipeline
Graña y Montero S.A.A. a leading Engineering and Construction company, announced today that after signing a Memorandum of Understanding with Odebrecht Latinvest, Graña y Montero Group agreed to participate with a 20% stake in the shareholder equity of Concesionaria Gasoducto Sur Peruano S.A. ... read more
22.09.2015 Graña y Montero Recognized as Best Managed Cement and Construction Company in Latin America
For the fourth consecutive year, we were recognized as one of the “10 Most Admired Companies in Peru” by PricewaterhouseCoopers (PwC) and Revista G de Gestión. This recognition is awarded to companies based on a survey of 4,500 executives of the 1,500 highest-billing companies in Peru ... read more
27.08.2015 Graña y Montero recognized as one of the most admired companies in Peru
4,500 executives of the 1,500 companies with the highest billing in Peru recognize performance of the Group. Graña y Montero was evaluated based on the modern marketing attributes of the Peruvian market, such as, strategic vision, talent management, managerial leadership, corporate governance, innovation capacity, and social responsibility, among others ... read more
05.08.2015 Graña y Montero will build and operate one of the top gold mines in Colombia
Graña y Montero, through its subsidiary STRACON GyM, which specializes in comprehensive services for the mining sector, will be in charge of construction and operation of the San Ramón mine, located in Medellín, Colombia ... read more
07.06.2015 Morelco integrates with Graña y Montero
In December 2014 and after a successful round of negotiations, the Graña y Montero Group closed on the purchase of 70% of the capital stock of Morelco S.A.S., a Colombian company specializing in civil works, electromechanical assembly, and services for the oil, gas and energy industries ... read more
10.04.2015 Recognized for our responsible management
On April 7th, 2015, our company was awarded the "Socially Responsible Company" Seal (Distintivo ESR), at the ceremony organized by the association Peru 2021 and the Mexican Center for Philanthropy (CE... read more
09.04.2015 Release of our Sustainability Report 2014
We are pleased to announce the release of our Sustainability Report 2014, an important management tool that every year allows us to improve our economic, social and environmental performance.... read more
08.04.2015 Annual Report 2014 "Graña y Montero Work Style"
We are pleased to submit to you our Annual Report 2014 "Graña y Montero Work Style" approved in the Annual Shareholder Meeting in March 27, 2015... read more

Main Projects

  • Mining
  • Gas and Oil
  • Infrastructure
  • Industry
  • Energy
  • Buildings


  • Compliance
  • Quality
  • Reliability
  • Efficiency

Social Responsability

  • Human Resources
  • Risk Prevention
  • Knowledge Management
  • Community Relations