About Us


With 30 years of history and being a leader in the export of ornamental stones in Latin America, the Guidoni Group is a family-owned and operated business that offers a wide portfolio and solutions aimed at facade cladding, internal and external floors, countertops and other demands for residential and commercial works, in addition to solutions facing coatings for industries, distributors, marble workers, architecture and decoration professionals. Comprising more than 20 companies specialized in the extraction and processing of ornamental rocks, it is considered today as one of the largest granite producers and traders in the world. In all, the Group supplies the national and international market with 15,000 m³ of gross blocks per month and 170,000 m² of processing natural stones. Guidoni is present in more than 70 countries on 5 continents and supplies the national and international market with quality, variety, agility and its mission is to offer a wide range of products, acquiring and developing new techniques and technologies, resulting in innovative and differentiated products , whether natural or industrialized.

  • 40

    Own deposits for the extraction of classic, exotic natural rocks, quartzites and marbles.

  • #1

    1st place in Brazil in export of ornamental rocks.

  • 18

    A thousand tons of plates produced every month.

  • 100

    One thousand square meters of industrial plant in Brazil.

  • 3

    Quartz industries: USA, Brazil and Spain.

  • 110

    One thousand square meters of granite and quartz sheets produced every month.

Own Quarries

The Guidoni Group is the largest producer of ornamental stones in Brazil. Today, it has more than 40 own quarries and a capacity to extract 15,000 m³ of crude stone blocks per month.
A reference in the use and development of cutting edge technology in block extraction, Grupo Guidoni guarantees capacity and continuity in the delivery of raw materials for large-scale projects, both in Brazil and abroad. The range of products extracted from its quarries has the most exclusive and versatile, ranging from classic granites, quartzites to the most noble marbles.

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