Buenos Aires, Argentina’s financial hub and trade center, generates around $95 billion annually, contributing about 15% to the nation’s GDP. As Latin America’s third-largest economy, Argentina relies heavily on agriculture and oil & gas, with Buenos Aires at the core of private sector growth. Despite inflation and a fluctuating peso, the city hosts some of the largest family businesses Buenos Aires has to offer, playing a pivotal role in employment and innovation.
Here are the 10 largest family businesses Buenos Aires ranked by revenue:
10. Consultatio S.A. – Costantini Family – Revenue: $130 million
Founded in 1991 by Eduardo Costantini, Consultatio S.A. focuses on real estate development and investments across Argentina, Uruguay, and the United States. The firm operates urbanization projects, residential buildings, and corporate towers, including the iconic Alem Plaza. Eduardo and his brother Cristian Costantini lead the company, which has developed 143,000 square metres of housing and 92,000 square metres of corporate space.
9. IRSA – Elsztain Family – Revenue: $270 million
IRSA is Argentina’s largest real estate investment firm, with properties including shopping malls, hotels, offices, and land reserves. Eduardo Elsztain has chaired the firm since 1991, with his brothers Alejandro and four others holding director roles. The firm’s Alto Palermo mall achieves the highest sales per square metre in the country.
8. Grupo Clarin – Noble Herrera, Magnetto, Pagliaro, Aranda Families – Revenue: $320 million
Argentina’s largest media group owns the Clarin newspaper, TV station El Trece, and cable network Artear. Founded in 1945, Grupo Clarin later expanded into telecommunications, acquiring Nextel Argentina and Telecom Argentina. The families actively manage operations, including children of Ernestina Herrera de Noble.
7. Grupo Supervielle – Supervielle Family – Revenue: $420 million
Founded in 1887, Grupo Supervielle is Argentina’s 11th largest private bank. Serving 1.7 million clients through 153 branches, it also provides insurance, investments, and asset management. Julio Patricio Supervielle leads as CEO and chair.
6. Aluar – Madanes Family – Revenue: $1 billion
Aluar is Argentina’s main aluminium smelter with 460,000 tonnes annual capacity, exporting globally. Partnering with Vestas for wind energy, Aluar emphasizes sustainability. Santiago Madanes Quintanilla currently chairs the firm, securing family control over generations.
5. Banco Macro S.A. – Brito Family – Revenue: $1.6 billion
Transitioning from brokerage to banking in 1989, Banco Macro now has Argentina’s largest branch network with 463 locations. Following Jorge Brito’s 2020 passing, his six children and the Carballo family maintain controlling ownership. Jorge Pablo Brito chairs the bank today.
4. Grupo Financiero Galicia – Escasany Family – Revenue: $2.5 billion
Established in 1905, Banco Galicia expanded into Grupo Financiero Galicia in 1999, covering banking, investment, insurance, and fintech via Naranja X. Eduardo Escasany chairs the company, maintaining family leadership.
3. Grupo Perez Companc – Perez Companc Family – Revenue: $3.4 billion
Founded in 1946, the group diversified from oil & gas into agribusiness, food & beverages, and energy. Today, PeCom leads oil, electricity, and telecom services under Luis Perez Companc’s leadership.
2. Arcos Dorados – Staton Family – Revenue: $4 billion
Arcos Dorados, the world’s largest independent McDonald’s franchisee, operates 2,300 restaurants across 20 countries. Woods Staton chairs the company while his son Francisco Staton leads regional divisions.
1. Techint Group – Rocca Family – Revenue: $34 billion
Founded in 1945 by Agostino Rocca, Techint Group operates steel manufacturers Tenaris and Ternium, engineering & construction via Techint E&C, and mining & oil production through Tenova and Tecpetrol. Paolo and Gianfelice Rocca, grandsons of the founder, lead the conglomerate.
Buenos Aires hosts a mix of traditional and modern family businesses, spanning finance, media, real estate, energy, and food industries. These firms are not only economic powerhouses but also illustrate how family leadership shapes Argentina’s corporate landscape.









