Mexico: Manufacturing, USMCA & IMMEX Program

An objective overview of Mexico as a manufacturing and nearshoring destination, drawing from U.S. Department of State Investment Climate Statements, USTR, and Secretaría de Economía documentation.

Trade Framework: USMCA

Mexico operates under the United States–Mexico–Canada Agreement (USMCA), which replaced NAFTA in July 2020. USMCA provides duty-free access to the U.S. market for qualifying goods meeting applicable rules of origin — most notably the regional value content and labor value content requirements introduced in 2020 for key sectors including automotive. USMCA includes stronger IP protections, digital trade provisions, and labor enforcement mechanisms than its predecessor.

IMMEX / Maquiladora Program

The IMMEX (Industria Manufacturera, Maquiladora y de Servicios de Exportación) program allows qualifying manufacturers to temporarily import raw materials, components, and equipment without paying the general import tax (arancel) or Value Added Tax (IVA), provided the goods are incorporated into products for export (Secretaría de Economía).

Important limitation: IMMEX is an import duty and VAT deferral mechanism — it does not reduce Mexico’s standard 30% corporate income tax rate. Unlike Dominican Republic’s Law 8-90 or Central American free zone regimes, IMMEX does not provide a corporate tax exemption.

2024 IMMEX Regulatory Change

In December 2024, Mexican authorities expanded the list of products excluded from IMMEX temporary import benefits to cover 302 additional tariff lines. These changes took effect immediately upon publication and remain in force through at least April 2026 (Secretaría de Economía, December 2024). Companies relying on IMMEX for specific inputs should verify current eligibility.

Manufacturing Infrastructure

Mexico has the most developed manufacturing infrastructure in Latin America, with established industrial clusters in: automotive (Guanajuato, Puebla, Coahuila), aerospace (Baja California, Querétaro, Sonora), electronics (Jalisco, Chihuahua), and medical devices (Baja California, Chihuahua, Nuevo León). The maquiladora system has operated for over 50 years, creating deep supplier networks and technical workforce pipelines.

Strengths & Limitations

Strengths

USMCA — the most comprehensive North American supply chain integration agreement
Land border access to U.S. Southwest and Midwest eliminates sea freight for many supply chains
Largest manufacturing infrastructure in Latin America with 50+ years of industrial cluster development
Large engineering and technical workforce, particularly in automotive and aerospace states
IMMEX defers import taxes and VAT on temporary inputs — material cost benefit for high-import-intensity manufacturers

Limitations

Standard corporate income tax is 30% — IMMEX provides no corporate tax reduction
2024 IMMEX restrictions expanded exclusion list to 302 tariff lines, reducing program scope
Organized crime poses direct operational risk in key manufacturing states (Guanajuato, Jalisco, Tamaulipas, Sonora)
Higher labor costs than Dominican Republic, Honduras, Guatemala, and El Salvador
Peso volatility introduces FX risk for USD-denominated cost planning
Active U.S.–Mexico tariff risk under current U.S. trade policy creates supply chain uncertainty

Sources: U.S. Department of State 2025 Investment Climate Statement — Mexico; USTR USMCA Documentation; Secretaría de Economía Mexico (December 2024 IMMEX changes).

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