"Joseph Mallmann (c.1827–1886) was a German businessman, founder of Mallmann & Co, one of the most important companies in Buenos Aires in the late nineteenth century.
Mallmann was born in Boppard, had arrived in Buenos Aires in 1846, accompanied by Sebastian Cathrein (1823–1851). In 1849 during the government of Juan Manuel de Rosas, Mallmann and Cathrein founded Mallmann & Co, company dedicated to buying and selling real estate. Joseph Mallmann left Buenos Aires in 1860 to establish a company in Paris, leaving the management of his company to his family.
The House Mallmann & Co had links with the largest cities in the world including Montevideo, Antwerp and London." - (en.wikipedia.org 11.08.2021)
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