Mas Errázuriz: Over 25 Years Building the Development of Peru’s Mining Industry
Mas Errázuriz reinforces its commitment to the modernization of mining and energy infrastructure, adding key contracts while focusing on diversification, sustainability, and operational excellence across its projects.
The company also reaffirms its human-centered approach by promoting the professional development of its teams and fostering a culture based on respect, collaboration, and excellence — the pillars that make every achievement possible.
Lima, October 2025. With more than 40 years of experience in Chile and over 25 years of continuous presence in Peru, Mas Errázuriz has consolidated its position as one of the leading construction companies in the region. Traditionally recognized for its expertise in underground works, the Chilean firm has expanded its service portfolio to include strategic areas such as civil works, assembly, and earthmoving, allowing it to deliver comprehensive solutions for large-scale projects.
In the civil and industrial sectors, Mas Errázuriz has developed key projects for the mining and energy industries in Peru, demonstrating strong technical and operational capabilities. Recent milestones include the award of civil works for the Cerro Corona mine, operated by Gold Fields, and the execution of electromechanical assembly works at Minsur’s Raura project. These initiatives highlight the company’s versatility and reinforce its position as a strategic partner for the main players in the sector.
People represent a fundamental pillar for Mas Errázuriz. The company maintains a firm commitment to safety and quality in every project, while also promoting the human and professional development of all members of its organization. Convinced that success is built on the talent and dedication of its teams, it fosters respect and collective effort, strengthening collaboration and teamwork to achieve outstanding results. This integrated, people-centered vision is key to achieving excellence and delivering high-quality services that meet the industry’s most demanding standards.
According to Diego Morales Aramburú, General Manager of Mas Errázuriz in Peru, the company’s focus on diversification and operational excellence has allowed it to adapt to the industry’s changing needs and consolidate its position as a key partner in the development of mining and energy projects in the country. Morales highlighted that this path has been made possible thanks to the commitment of all those who are and have been part of the organization, where teamwork, mutual trust, and a purpose centered on people — promoting their development, well-being, and engagement as the foundation of sustainable growth — continue to drive Mas Errázuriz to overcome challenges and achieve exceptional results.
With this strategic approach, Mas Errázuriz reaffirms its long-term commitment to sustainable development and the modernization of Peru’s mining and energy infrastructure, consolidating its role as a trusted partner for the future of the industry.
About Mas Errázuriz
Mas Errázuriz is a construction company with more than 45 years of international experience, leading the development of mining, energy, and infrastructure projects across Latin America, with operations in Chile, Peru, Argentina, Ecuador, and Colombia. Its business areas focus on the execution of underground, civil, and assembly works, as well as earthmoving operations.