Mission and Values

We remain focused on operating in a way that provides vital natural resources, stable returns for shareholders and lasting value for all stakeholders through our successful business model.


Core Values and Culture:

Xstreco's Guiding Principles

At Xstreco, we emphasize the importance of our core values, which include innovation and creativity, teamwork, leadership, and respect for others. These values serve as the foundation for our actions and decision-making processes, shaping our corporate culture and work environment. Our commitment to these values is critical to achieving long-term growth, stability and value creation for our stakeholders.

A Culture of Respect and Collaboration:

Xstreco's Commitment

Our culture at Xstreco revolves around our core values and fosters an environment that prioritizes the impact of our actions, value creation and sustainable progress. We strive to cultivate and maintain a culture that respects and values our employees and their contributions to the company's success.

Distinguishing Ourselves:

Xstreco's Creative Approach

We recognize that to differentiate ourselves, we must embrace creativity and continually seek new ways to add value and improve our services. Our goal is to be more than a supplier to our clients, but a partner in their success. Clients can rely on our team of experts to provide support and guidance at every stage of a project, from conception to completion and beyond.

The Importance of Growth:

Xstreco's Emphasis on Learning and Development

At Xstreco, we understand the importance of continuous learning and personal growth. We provide our employees with a variety of opportunities to expand their skills and knowledge, enabling them to grow professionally and contribute more effectively to the company's success.

Environmental Responsibility:

Xstreco's Commitment to Sustainability

Sustainability is a core value at Xstreco, and we work diligently to minimize our environmental impact in all areas of our business. We recognize the importance of being responsible stewards of the earth's resources and are dedicated to discovering and implementing methods to reduce our environmental footprint.


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.