Our Company

Since 1933, we have been the largest and most experienced construction company in Peru.

We have developed countless projects in all construction sectors as: Infrastructure, Energy, Buildings, Mining, Gas and Oil, Industry and Water.

We work with our clients from the conception of their projects, providing a great support, generating value in their businesses by optimizing resources, time and cost.

Our experience, professionalism and constant technological updating, makes it possible to guarantee to our clients the delivery of a project with the highest standards of safety and quality. Each of our projects are delivered before the agreed schedule, respecting and protecting the environment, as well as generating opportunities for the communities around the project.

Our history

GRAMONVEL Establishment

We hereby agree to establish a technical partnership that will hereinafter be called GRAMONVEL, in order to combine our knowledge for the completion of any work.

Certificate of Establishment, June 22nd 1933

Miraflores Public Bathrooms

The most important architectural work of the time.

City of Talara

Construction of five districts with more than 4,000 households.

Empleado Hospital

Installation of 1,250 beds in an area of 130,000 m2.

Cuajone Mine

Development of one of the first open-pit copper mines in Peru.

Sheraton Hotel

Peru’s first 5-stars International hotel built.

Hotel Marriott y Larcomar

Emblematic projects for tourism in Peru.

Camisea Project

Construction of Peru’s most important energy project.


Participation in the construction of the road that connects southern Peru and Brazil’s frontier.


Participation in the construction of the road that connects 6 regions of northern Peru.

The Agustino Parks

Peru’s first massive housing development.

Pampa Melchorita Plant

Construction of the Latin America’s first gas liquefaction plant.

Westin Hotel

Construction of the Peru’s tallest hotel building.

National Theater

Construction of one of the most modern theaters in Latin America.

Nueva Fuerabamba City

Construction of a new city for the relocation of the people around Las Bambas Mine. Includes more than 380 houses.

PTAR La Chira

Construction of a plant that will clean the water for more than 3 million people.

Cerro Verde Expansion

Expansion of the world’s biggest copper concentrator plant (the first one was also built by GyM)

Cerro Del Aguila Hydroelectric Power Plant

Construction of the Peru’s second biggest hydroelectric power plant.