Mario López Estrada: The Visionary CEO Behind Onyx Group’s Success


In the contemporary business landscape, the name Mario López Estrada resonates with a significant influence. A figurehead who, through his business conglomerate, Onyx Group, has left an indelible imprint on the economies of Central and South America. Yet, his story is more than just a tale of entrepreneurial success; it is a narrative interwoven with innovation, resilience, and an unyielding commitment to social responsibility.

Onyx Group, under the leadership of Mario López Estrada, has revolutionized the telecommunications industry in Guatemala and has made considerable economic investments in Paraguay. From pioneering advancements in this sector to launching transformative commercial projects, Onyx Group’s influence is deeply rooted in the economic fabric of these countries.

A Legacy of Business Prowess and Diversification

Mario López Estrada’s entrepreneurial journey began in 1967 with the founding of Constructora Maya, the precursor to Onyx Group. Specializing in real estate, territorial development, and the construction of landmark buildings in Guatemala, Constructora Maya laid the foundation for a business legacy that continues to thrive.

Over the decades, Onyx Group has strategically diversified its portfolio. Today, its key divisions encompass real estate, energy, cellular maintenance, telecommunications, and digital services. Each division serves as a testament to Mario López Estrada’s vision of creating a multifaceted business conglomerate.

Innovative Projects and Social Commitment

The landmark projects spearheaded by Onyx Group, under the leadership of Mario López Estrada, have been transformative for both Guatemala and Paraguay. In Guatemala, the Horus I and Horus II solar energy projects have revolutionized the energy sector. The plants generate over 200 gigawatt-hours of clean, renewable energy, powering thousands of households.

In Paraguay, Blue Tower Ventures Paraguay S.A and Paseo La Galería underscore Onyx Group’s commitment to innovative real estate development and energy sustainability. Paseo La Galería, the largest commercial complex in Paraguay, is a testament to the group’s dedication to progress and innovation.

Moreover, Onyx Group’s commitment to social responsibility is commendable. In collaboration with the Mario López Estrada Foundation, the group contributes to educational, health, and community empowerment initiatives in the countries where it operates. This commitment goes beyond mere economic impact; it seeks to improve people’s quality of life and promote social equity.

Reflecting on Mario López Estrada’s journey with Onyx Group, it becomes evident that his vision extends beyond business success. His leadership has fostered innovation, catalyzed economic growth, and underscored the importance of corporate social responsibility. As the group continues to grow and diversify, one can only expect its influence to expand, guided by the unwavering vision of its CEO.