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Casa da Boia

Casa da Boia is a pioneering Brazilian manufacturer and retailer of non-ferrous metals and copper products, founded in São Paulo in 1898.

Last updated September 28, 2026

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Overview

Casa da Boia is a Brazilian company specializing in non-ferrous metals and copper products, with a history spanning more than 128 years. It was founded in 1898 by Rizkallah Jorge Tahan, a Syrian immigrant who opened a small metal workshop on Rua Florêncio de Abreu in São Paulo. Over the decades, the company grew from a modest hardware and metalworking shop into a leading reference in Brazil for non-ferrous metals and copper products. Its headquarters, built in 1909, is protected as Municipal Historical Heritage. The company operates in two main product areas: laminados (rolled products such as copper busbars, sheets, foils, coils, and other flat products) and manufaturados (manufactured products ready for use, including bars, rods, tubes, sheets, coils, discs, bushings, rings, and more). These products serve industries ranging from construction to electronics. Casa da Boia positions itself as a pioneer and reference in non-ferrous metals and copper products in Brazil, emphasizing quality, honesty, and dedication to customer service. Ownership remains within the Rizkallah family. Mario Roberto Rizkallah joined the company in 1973, and Adriana Rizkallah joined in 2014, leading the redefinition of spaces and cultural curation. The company also maintains a cultural arm, Casa da Boia Cultural, which includes the Museu Rizkallah Jorge, guided tours, lectures, and research projects such as the 2018 book "Um Artífice na Urbanização Paulistana" by Renata Geraissati. The company continues to operate from its historic headquarters in São Paulo and serves customers across Brazil and South America.

History

Casa da Boia was founded in 1898 by Rizkallah Jorge Tahan, a Syrian immigrant who arrived in Brazil in the late 19th century. He opened a small metal workshop on Rua Florêncio de Abreu in São Paulo, initially operating as a hardware and metalworking shop. Over time, the business expanded into the creation and commercialization of copper decorative products, becoming a pioneer in non-ferrous metals in Brazil. The company's headquarters, built in 1909, is now protected as Municipal Historical Heritage and stands as a testament to its long history in São Paulo. In 1973, Mario Roberto Rizkallah joined the company, marking a new phase of family leadership. The company continued to consolidate its position as a leading reference in the trade of non-ferrous metals throughout Brazil. In 2014, Adriana Rizkallah joined, leading the redefinition of the company's spaces and the curation of its cultural treasures. In 2017, Casa da Boia initiated a cultural journey, offering guided visits, lectures, and more to share its passion for São Paulo's history and its Syrian-Armenian roots. In 2018, the book "Um Artífice na Urbanização Paulistana" by Renata Geraissati was launched at Casa da Boia Cultural. The company also created the "Museu Rizkallah Jorge" and has undertaken restoration of its headquarters. Today, after more than 128 years, Casa da Boia remains a family-owned business, proud to be the reference in Brazil for non-ferrous metals and copper products. It operates from its historic headquarters and serves customers across Brazil and South America, continuing the legacy of its founder with values of honesty, quality, and dedication to service.

  • 2018

    Book "Um Artífice na Urbanização Paulistana" by Renata Geraissati launched at Casa da Boia Cultural.

  • 2017

    Casa da Boia initiates cultural journey with guided visits and lectures.

  • 2014

    Adriana Rizkallah joins, leading space redefinition and cultural curation.

  • 1973

    Mario Roberto Rizkallah joins the company.

  • 1909

    Company headquarters built; later protected as Municipal Historical Heritage.

  • 1898

    Casa da Boia founded by Rizkallah Jorge Tahan as a small metal workshop on Rua Florêncio de Abreu, São Paulo.

Products and positioning

Pioneer and leading reference in non-ferrous metals and copper products in Brazil, with a legacy of quality, honesty, and cultural heritage.

  • Laminados (rolled products)

    Copper busbars, sheets, foils, coils, and other flat products with uniform thickness, used in industry from construction to electronics.

  • Manufaturados (manufactured products)

    Ready-to-use products including bars, rods, tubes, sheets, coils, discs, bushings, rings, and more, in copper, brass, and non-ferrous metals.

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