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¿Who we are?

CONSULTORES INDEPENDIENTES EN GESTIÓN DE RECURSOS NATURALES, S.A. (CRN) is a company established in 1997 by a group of highly experienced professionals with the aim of providing independent engineering and consulting services in the fields related to subsurface resources and Earth Sciences. The company applies the latest methods and technologies within a Quality Assurance System.

CRN is a privately owned corporation with no affiliation to any industrial or financial group, serving both the public and private sectors. Its clients include national public organizations, mining companies, cement companies, consulting firms, and construction companies, both domestic and international.

CRN’s business policy is based on providing personalized technical assistance to its clients through engineering and consulting services. This approach results in a continuous client-CRN relationship, emphasizing independence and confidentiality, and covering everything from solving specific urgent issues to the execution of integrated turnkey projects.

Recognizing the importance of accurate field data collection in the engineering and consulting sector, CRN has directed its resources to develop a high capacity for data interpretation since its inception, aiming to meet its clients’ needs effectively.

This business policy is reflected in the formation of a stable, highly qualified technical team and in the company’s investment policy, focused on acquiring the most suitable and powerful data interpretation tools through collaboration with specialized companies that regularly work with CRN.

Our Team

CRN currently has a team of skilled professionals, including senior graduates such as geologists, mining engineers, hydrogeologists, geological engineers, and environmental technicians. This permanent staff is supported by collaborating specialists in various fields of the company’s activities.

José Antonio Zuazo

Technical Director

Roque M. Martínez

Mining Eng. – CEng MIMMM
Proy. Lead
Mining Area

Eva Rodríguez Caro

Geological Engineer
Project Manager
Environmental Area

Ingrid Blanco

Mining Engineer
Project Manager
Mining Area

Maider Ledesma

Project Manager
Environmental Area

Adolfo González

Mining Engineer
Technical Project Manager
Mining Area

Our Clients



external references

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