Maria Luisa Solari Falabella inherited a great deal of her net worth. In 1889, her great-grandfather started the company known as SACI Falabella. Since its creation, the company has grown to be the largest retail business in all of Chile. Much of its growth occurred during the 1930s when Alberto Solari married the grand-daughter of SACI Falabella's founder.
Before long, the company had increased across the nation and achieved an impressive yearly revenue. Alberto Solari worked to increase the range of products offered by Falabella. New items in clothing and housewares helped to increase the company's diversity. When Maria Luisa Solari Falabella took over the reigns of the company, she began to increase the company's revenue.
Other family members work in the business. SACI Falabella employs over 80,000 individuals in Colombia, Argentina, Chile and Peru. Although most of the power in the company is held by the Solari family members, the del Rio Goudie branch of the family also has a major stake in the business.
Controversially, Maria Luisa Solari Falabella was fined in 2008 on charges of insider trading. This was due to a failed merger that occurred the year prior that she had knowledge about. Altogether, Maria Luisa Solari Falabella has total net worth of of $3.7 billion.