About Us
GROUP ORIGINS
The Group was founded by Mario López Estrada, who began his commercial activities with the company Constructora Maya in 1967. Constructora Maya specialized in real estate, territorial development, low income housing construction, office buildings, shopping centers, and road construction.
In the early 2000s, what is now known as Grupo Onyx was formed. Grupo Onyx encompasses the different companies of the corporate consortium, one of the largest conglomerates in the country.
The most important investment areas of Grupo Onyx are in the real estate industry (with investments in Guatemala and Paraguay), energy, cellular maintenance, telecom product distribution networks, digital services and development, as well as other projects. The corporate social responsibility branch of the corporate group is the Mario López Estrada Foundation.
Mario López Estrada (March 21, 1938 – March 20, 2023) was a Guatemalan businessman, philanthropist, and the founder of Grupo Onyx, a consortium of companies involved in renewable energy generation, consumer products distribution, digital services, and commercial and industrial real estate development in Guatemala and Paraguay. He was also the founder of the Mario López Estrada Foundation.