Blog & Resources
Guides, tax news and tips for doing business in Mexico.
SAT fines in Mexico 2026: how much you could end up paying
From $1,400 to over $97,000 MXN per violation, plus 1.47% monthly surcharges. Find out exact amounts for each type of non-compliance and how to reduce or waive SAT fines.
e.firma SAT: how to get and renew your electronic signature in 2026
The e.firma is required for refunds, audits and dozens of SAT procedures. Learn how to get it, renew before expiry and what to do if it already expired.
SAT balance in your favor: how to know and how to collect it in 2026
If you overpaid taxes, SAT owes you that money. We explain how to verify it, how to request the refund and what to do if SAT delays or denies it.
SAT Tax Mailbox: what it is and how to use it in 2026
The SAT tax mailbox is the only official channel for requirements, audits and fines. If you do not activate or check it, deadlines still run. Complete guide.
Accounting for a dental clinic in Mexico: what nobody tells you
Miguel was overpaying $183,000 pesos per year without knowing it. Discover the right tax regime for a dental clinic, what equipment you can deduct and how to handle cash payments correctly.
Online accountant in Mexico: accounting service for CDMX, Monterrey, Guadalajara, Cancun and all of Mexico
Nexoconsult offers 100% online accounting and tax services for businesses and individuals across Mexico: Mexico City, Monterrey, Guadalajara, Tijuana, Cancun, Puebla, Queretaro and more.
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