Blog & Resources
Guides, tax news and tips for doing business in Mexico.
How to become tax-compliant in Mexico if you have not filed SAT returns for years
Every month that passes without regularizing with SAT does not just accumulate debt — it grows it with 1.47% monthly surcharges on the inflation-adjusted tax. But the biggest risk is not financial: it is that SAT can come before you go to them, with an audit that closes the negotiation window. This guide explains how long SAT has to collect, what can be negotiated, how to calculate the real debt amount and the concrete process to become compliant before the situation escalates.
Business bank account in Mexico: how to open one as a foreigner in 2026
Opening a business bank account in Mexico as a foreigner is possible but not straightforward: each bank has different requirements, many ask for one year of tax history and the beneficial owner declaration complicates opening for companies with foreign shareholders. Guide with exact documentation, most accessible banks and fintech alternatives.
Corporate income tax (ISR) in Mexico 2026: 30% rate, provisional payments and how to calculate it
The 30% ISR applies to taxable profit, not to revenue. Monthly provisional payments using the utility coefficient, 10-year loss carryforward, CUFIN and the hidden ISR on dividends. Guide with exact legal citations and real numerical examples.
Home office tax deduction SAT Mexico: which expenses apply and how to prove them in 2026
Working from home does not trigger any automatic tax deduction in Mexico. You need the right regime, your fiscal domicile registered there and the proportion calculated with an auditable method. Guide with legal references, numerical examples and the mistakes that cost most in a review.
Exporting services from Mexico: 0% VAT rate and how to invoice foreign clients
Not every invoice to a foreign client qualifies for 0% VAT in Mexico. The law sets a closed list of activities. Guide covering the difference between 0% rate and "not subject to VAT", how to invoice under CFDI 4.0, and a real reclassification case.
Annual tax return for corporations in Mexico 2026: complete guide for SA de CV
Corporate annual returns are due March 31 — not April 30. 30% ISR, utility coefficient, amortizable losses and the most penalized mistakes in SA de CV. Guide with real numerical examples.
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