Mario López Estrada: Pioneering Change as Onyx Group’s CEO


In the business landscape where change is the only constant, pioneers emerge from unlikely corners. Mario López Estrada, the force behind Onyx Group, is one such innovator. Steering the conglomerate with a vision that transcends borders, he has left an indelible mark on the telecommunications sector in Guatemala and the larger economy in Paraguay. This influential figure has been a beacon of progress, navigating the corporate world with a steadfast commitment to societal upliftment.

In the annals of telecommunications and commercial advancement, the name Mario López Estrada stands tall. His leadership at the helm of Onyx Group has been a catalyst for significant strides in the industry, transforming the economic landscapes in Guatemala and Paraguay. A testament to this is the conglomerate’s diverse portfolio, with a stronghold in real estate and an impressive foray into digital solutions.

Onyx Group: A Diversified Force under Mario López Estrada

The genesis of Onyx Group traces back to 1967 with the establishment of Constructora Maya, a company specializing in real estate and construction. Under the leadership of Mario López Estrada, the Group expanded into multiple sectors, carving a niche for itself in the business landscape of Guatemala and Paraguay.

An epitome of this diversified growth is Onyx Group’s divisions. Its Real Estate Division has been instrumental in the strategic development of properties and landmark projects. The Energy Division, Horus Energy, leads in solar photovoltaic energy generation in Guatemala. The Cellular Maintenance Division provides critical services to the cellular communication network, while the Telecommunications Division is a robust distributor in the country. Lastly, the Digital Services Division, with over a decade of experience, leads in digital solutions.

Transformative Projects by Onyx Group

Under the guidance of Mario López Estrada, Onyx Group has undertaken transformative projects both in Guatemala and Paraguay. The energy revolution in Guatemala witnessed the advent of solar energy projects Horus I and Horus II. These plants generate over 200 gigawatt-hours of clean, renewable energy, powering thousands of households.

In Paraguay, the conglomerate’s presence is reflected in its innovative real estate development and energy sustainability projects. Blue Tower Ventures Paraguay S.A., the primary representation of Onyx Group in Paraguay, and Paseo La Galería, the largest commercial complex in the country, are shining examples of this commitment.

A characteristic feature of Onyx Group’s projects, steered by Mario López Estrada, is their strong commitment to social responsibility. In collaboration with the Mario López Estrada Foundation, the Group undertakes educational, health, and community empowerment initiatives, reflecting its commitment to sustainable development and social equity.

Mario López Estrada‘s pioneering vision and leadership have been instrumental in propelling Onyx Group to its current stature. From its roots in real estate to its expansive portfolio today, the conglomerate, under his stewardship, continues to make strides in telecommunications, energy, and social responsibility. His legacy is not just etched in the corporate world but also in the societal fabric of Guatemala and Paraguay, making him a true emblem of transformation and progress.