Blog & Resources
Guides, tax news and tips for doing business in Mexico.
Accountant for Airbnb in Cancún 2026: income tax, digital platforms, restricted zone, and landlord tax obligations
Robert and Elena Kowalski, Canadians, rented their Hotel Zone condo in Cancún through Airbnb for 14 months. They saw the 2% ISR withholding on each payment and assumed full compliance. In October 2026 SAT opened an audit: they had never filed monthly ISR or VAT declarations. Debt: $63,000 MXN. 2026 guide: Art. 113-A withholding vs. real obligation, hospitality vs. leasing, fideicomiso and Quintana Roo ISN 3%.
Tax advisor for startups in Guadalajara 2026: Jalisco payroll tax, RESICO vs PFAE and software exports
Marco founded a SaaS startup in Zapopan with 5 developers. Ten months later, during seed due diligence, the auditor found the issue: he had never paid Jalisco payroll tax — at 2.5%, filed with the state Finance Secretariat, different from Mexico City's 3%. Debt: $56,250 MXN. Complete guide: Jalisco ISN, RESICO vs PFAE for startups, 0% VAT on software exports and how to choose an accountant in the ZMG.
Accountant in Monterrey 2026: PFAE, Nuevo León payroll tax and what differs in the ZMM from Mexico City
A developer in San Pedro Garza García billed $180,000 pesos monthly as PFAE without filing Nuevo León's ISN — he thought it was only a Mexico City tax. NL ISN is 2% monthly, filed with the NL Finance Secretariat, with its own platform. Eight months of non-compliance: $28,800 in ISN plus surcharges. Complete 2026 guide: ISN Nuevo León vs. CDMX, ZMM municipalities, PFAE for Monterrey freelancers and accounting cost comparison.
Accounting for companies in Mexico City 2026: payroll tax, land use and what SAT does not tell you
A Polanco firm operated 14 months paying ISR and VAT correctly without filing the ISN — the 3% monthly payroll tax collected by the Mexico City Treasury, not the federal SAT. Result: $187,000 pesos in avoidable debt, surcharges and fines. Complete 2026 guide: how to register for ISN, commercial predial CDMX, office land use compliance and in-house vs. outsourced accountant comparison.
PFAE 2026: complete guide to the Self-Employed Business Activity regime in Mexico
A software developer in Monterrey was automatically migrated from RESICO to PFAE after exceeding $3,500,000 annually. His first month under PFAE cost $47,000 pesos in additional ISR because expense CFDIs were not registered from January. Complete 2026 guide: utility coefficient, ISR rate table, PFAE vs RESICO comparison, authorized deductions and the 6 monthly obligations that cannot be skipped.
Dividend tax in Mexico 2026: CUFIN, pyramiding and 10% withholding explained plainly
A partner distributed $2,000,000 pesos without checking the CUFIN balance. Art. 10 LISR generated an additional ISR bill of $857,160 pesos nobody anticipated. Complete guide: CUFIN vs non-CUFIN, factor 1.4286, 10% withholding, dividends to foreign shareholders and errors SAT detects in audit.
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