Latin America’s largest companies in 2026 are dominated by Brazil and Mexico, with digital platforms and traditional resource giants sharing the top rankings. MercadoLibre leads the region by market capitalisation, followed closely by Petrobras and Itaú Unibanco. Mining, energy, banking, and fintech remain the core drivers of corporate value. This ranking is based on Companies Market Cap data verified in February 2026 and reflects how e-commerce, digital banking, and natural resources continue shaping the region’s economy.
Key Takeaways
| Rank | Company | Country | Sector | Market Cap (USD) |
|---|---|---|---|---|
| 1 | MercadoLibre | Argentina | E-commerce/Fintech | $103.15B |
| 2 | Petrobras | Brazil | Energy/Oil & Gas | $96.02B |
| 3 | Itaú Unibanco | Brazil | Banking | $95.71B |
| 4 | BTG Pactual | Brazil | Investment Banking/Wealth Mgmt | $92.86B |
| 5 | Grupo México | Mexico | Mining/Infrastructure | $90.07B |
| 6 | Nu Holdings (Nubank) | Brazil | Digital Banking | $81.45B |
| 7 | Vale | Brazil | Mining (Iron Ore/Nickel) | $69.49B |
| 8 | América Móvil | Mexico | Telecommunications | $64.09B |
| 9 | Walmex | Mexico | Retail | $56.24B |
| 10 | Banco Santander Brasil | Brazil | Banking | $49.54B |
Source: All market capitalisation figures are based on Companies Market Cap data and were last verified in February 2026. Values may change daily.
Latin America's dominant e-commerce and fintech ecosystem operates across 18 countries with 85+ million active users. Its integrated mode - combining marketplace (MercadoLibre), digital payments (Mercado Pago), logistics (Mercado Envíos), and credit (Mercado Crédito) - creates powerful network effects that solve the region's historic fragmentation challenges. With payment volume exceeding $100 billion annually, it has cemented its position as the continent's most valuable company.
Brazil's state-controlled oil giant leverages dominance in pre-salt offshore reserves while accelerating its energy transition strategy. Petrobras has committed $17 billion to renewables through 2028, balancing traditional oil production strength with growing investments in biofuels, wind, and solar, positioning itself at the intersection of energy security and decarbonisation.
Latin America's largest traditional bank has successfully navigated digital disruption by investing $2+ billion annually in technology infrastructure. While facing pressure from fintechs like Nubank, Itaú maintains dominance through its unparalleled physical network (3,700+ branches) combined with rapidly growing digital adoption, proving legacy institutions can evolve when they marry scale with innovation.
Brazil's largest independent investment bank has surged into the regional top 5 through exceptional wealth management growth and strategic expansion. Its asset management division oversees $200+ billion, while its digital banking arm (BTG+) has attracted 4 million retail clients, demonstrating how specialised financial institutions can scale rapidly in Latin America's underpenetrated wealth management market.
Mexico's industrial champion operates the Americas' largest copper mine (Buenavista del Cobre) while controlling critical transportation infrastructure through subsidiary Ferromex (railroads). Grupo México exemplifies Latin America's resource advantage, leveraging copper's strategic importance for electrification and renewable energy infrastructure while generating stable cash flows from integrated logistics operations.
Nubank's journey from startup to Latin America's most valuable pure-play fintech validates the region's digital banking revolution. With 90+ million customers across Brazil, Mexico, and Colombia, it has achieved sustained profitability while maintaining 30%+ annual revenue growth. Its success stems from radical simplicity (no-fee credit cards), AI-driven underwriting reaching previously unbanked populations, and ecosystem expansion into investments, insurance, and SME banking.
As the world's largest iron ore producer and a top nickel supplier, Vale sits at a critical juncture: supplying materials essential for both traditional infrastructure and the green transition (nickel for EV batteries). Following safety reforms after past tragedies, Vale has invested $8 billion in tailings dam remediation while committing to carbon neutrality by 2050, balancing its role as a commodities powerhouse with mounting ESG expectations.
Controlled by Carlos Slim's family, América Móvil remains Latin America's telecommunications colossus with 375+ million mobile subscribers across 25 countries. While facing regulatory pressures in several markets, the company is pivoting aggressively to fiber optics and 5G infrastructure, recognising that connectivity, not just voice services, will drive future growth as Latin America's digital economy expands.
Walmart's Mexican and Central American subsidiary has proven remarkably resilient amid regional economic volatility. Its multi-format strategy - combining hypermarkets (Walmart Supercenter), discount stores (Bodega Aurrera), and membership clubs (Sam's Club) - allows it to serve all income segments. With 2,800+ stores and rapidly growing e-commerce (35% YoY digital sales growth), Walmex demonstrates how global retail models can adapt successfully to Latin American consumer dynamics.
The Brazilian subsidiary of Spain's Santander Group has strengthened its position through digital transformation and SME banking focus. Unlike its European parent, Santander Brasil benefits from Brazil's high interest rate environment and has become a leader in corporate lending to mid-sized businesses - a segment underserved by both traditional banks and fintechs.
Ambev, Banco Bradesco, and WEG narrowly miss the top 10 in 2026, with market capitalisations ranging from approximately $35 billion to $45 billion. They remain leading players in consumer goods, banking, and industrial manufacturing.
Brazil and Mexico account for 9 of the top 10 companies:
The rankings are based on publicly available market capitalisation data from Companies Market Cap, converted to USD and verified against major stock exchanges.
Brazil and Mexico have the largest domestic markets, strongest financial systems, and deepest capital markets in Latin America.
Latin America offers lucrative investment opportunities. When it comes to trading Latin American companies, platforms like Hantec Markets offer a comprehensive solution. Hantec Markets provides access to various Latin American stocks, allowing traders to buy and sell shares directly. Tracking the performance of Latin American companies can be done through a variety of channels. Traders and investors can also utilize financial news platforms, such as CNBC Latin America, Reuters, and the Financial Times to stay updated on market trends, company announcements, and economic indicators impacting Latin American markets.
For conducting technical analysis, popular platforms like MetaTrader 4 (MT4) and MetaTrader 5 (MT5) are widely used by traders worldwide. Both MT4 and MT5 provide access to a wide range of markets, including Latin American stocks, allowing traders to apply technical analysis techniques to these companies.
In addition to trading and investment information, it is important to consider some general aspects of the Latin American market. Latin America boasts a diverse economy, with sectors such as mining, telecommunications, retail, finance, and energy playing key roles. Political stability, economic policies, and regulatory frameworks are crucial factors to consider when investing in Latin American companies. It is also essential to stay informed about regional geopolitical developments and currency fluctuations that may impact investment returns.
Learn more about the biggest companies in different countries and regions around the world by reading our other articles:
Also, we recommend you to find out with our Trader’s Guide to the 10 Major Global Economies by GDP.
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