Blog & Resources
Guides, tax news and tips for doing business in Mexico.
Accounting for construction and real estate companies in Mexico: complete tax guide 2026
A developer in Querétaro treated urbanized lots — with water, electricity and paving installed — as "IVA-exempt land." SAT reclassified them as constructions attached to the ground and demanded $640,000 MXN in undeclared IVA plus surcharges. This guide covers REPSE, progress billing income recognition, IVA on real estate and Vulnerable Activities compliance.
Accounting for lawyers and law firms in Mexico: complete tax guide 2026
A lawyer who issues the CFDI when the case ends instead of when they collect the retainer can receive an SAT fine. A firm that hires all its associates as contractors without employment contracts can face IMSS reclassification. Guide on the four most common fiscal errors in Mexican law firms.
Professional fees invoicing in Mexico: complete CFDI 4.0 guide (2026)
A doctor who issues their CFDI with 0% IVA instead of "Exempt" is making a fiscal error. A professional in RESICO who lets their client withhold 10% ISR is losing money. This guide resolves the four most common confusion points in professional fee invoicing in Mexico.
How to pay monthly IVA (VAT) to SAT in Mexico: step-by-step guide 2026
SAT pre-fills your IVA return with the month's CFDIs — but doesn't verify which ones you've already paid. Guide with the complete formula (IVA charged − creditable − withheld received), numerical example, exact portal navigation, and what to do when the result is a balance in your favor.
Accounting for digital marketing agencies and creatives in Mexico (2026)
Marketing agencies in Mexico have a unique fiscal profile: Mexican clients (16% IVA) and foreign clients (0% IVA), Meta and Google expenses without CFDI, and freelancers requiring mandatory ISR and IVA withholding. Guide with correct SAT codes and step-by-step procedures for each case.
Sociedad Civil in Mexico: what it is and when it beats an SA de CV (2026)
The SC pays the same 30% ISR as the SA de CV, but offers one mechanism most overlook: partner anticipos (advances) are deductible for the company and taxed at the partner's progressive rate. Practical guide with comparison table and real cases for professional firms.
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