Mercado Libre, a publicly owned company founded in 1999, is headquartered in Buenos Aires, Argentina. Its core business is internet publishing, specifically providing e-commerce services. The company operates primarily through MercadoLibre.com and MercadoPago.com, facilitating online buying, selling, advertising, and payment processing for both individual users and businesses. As of a recent count, Mercado Libre employs approximately 42,850 people.