Xstreco at a glance

We are an expanding mining company operating in the metals and minerals sector. Our products are used in everything from building materials to electronics. Although we have a global reach, South America is where our operations are concentrated.

From Earth's Core to Global Reach

Xstreco is a rapidly expanding mining company specializing in the extraction and processing of metals and minerals. Our high-quality products are used in a variety of industries, including building materials and electronics.

With a global footprint, our operations are primarily focused in South America, where we have developed strong relationships with local communities. At Xstreco, our commitment to delivering exceptional products to our customers is driven by our continuous pursuit of improvement and close collaboration with our surrounding communities. We recognize that the success of our company is inextricably linked to the professional growth and well-being of our employees. Our decentralized management approach has been instrumental in fueling our growth.

By empowering employees to make decisions at the local level, we foster an agile and adaptive work environment that transcends rigid hierarchical structures. This approach allows us to respond quickly to changing market dynamics and fosters innovation across our operations, and we understand the critical role that communities play in shaping a company's culture, values and identity. At Xstreco, we value our community connections and view them as the foundation upon which our organization thrives. This supportive environment not only encourages creative thinking and entrepreneurial initiatives, but also fosters a robust organizational structure that contributes to our continued success.


Nicolas Ehrminger


Chief Executive Officer



Nicolas Ehrminger is a dedicated and results-oriented leader, committed to fostering growth and innovation. His service in the military, highlighted by his achievements as a qualified athlete and aerobatic pilot, has instilled in him a strong sense of discipline and leadership.

Transitioning to the field of compliance and regulation, Nicolas has exhibited remarkable proficiency. At Xstreco, he has been instrumental in advancing cutting-edge infrastructure, particularly in the areas of compliance, administration, and sustainability.

Nicolas' unwavering dedication to excellence is a reflection of his esteemed family heritage. His great-grandfather, Johannes Nestler, a pioneering mining engineer who graduated from the prestigious "Bergakademie" in Freiberg, Germany, in 1926, established a family legacy deeply rooted in the mining industry. Upholding this legacy, Nicolas is dedicated to perpetuating the family’s tradition of excellence and innovation in the mining sector, while also embracing modern principles of compliance and sustainability.


Antonio Espada


Managing Director for Development



Antonio Espada discovered his passion for engineering and technology at an early age. He began his career at companies such as CASA and Aeroterwia, developing innovative thermo-mechanical solutions.

His talent and dedication led to promotions and industry recognition.‍ After military service, Antonio Espada joined IPIAC, a Brazilian and Paraguayan company specializing in the production of mining machinery. His expertise helped him rise through the ranks and play a critical role in the company's success. In the early 2000s, he moved to Ecuador to establish MIMADER SA, his third mining company.

Despite challenges, his leadership helped MIMADER become a leader in Ecuador's mining industry.‍ Returning to Spain, he founded and managed several metallurgical companies, continuing to innovate and grow the industry. With over 30 years of experience in the mining of metals and minerals, Antonio Espada is a respected authority in the field and has contributed significantly to its growth and development.