Mexico accounting blog | SAT, tax and CFDI guides

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Read practical analysis about accounting, SAT, taxes, CFDI and business operations to make informed decisions and stay compliant in Mexico.

A Mexican person compares an invoice sheet with a payment ledger while using a calculator.
Taxes5 min read

I paid my taxes: why my CFDIs can differ from my return

Invoiced amounts and VAT associated with collections can belong to different months. A difference needs documentary support, not an...

Andrés Chávez · Oct 11, 2026Read more →
Mexican company manager and Afro-Mexican controller tracing an unexpected tax balance through source, payment, and return evidence.
Mexican tax returns12 min read

Unexpected SAT Tax Balance in Mexico: What to Reconcile Before You Pay

A higher-than-expected SAT balance may be correct or may reflect a CFDI, payment, withholding, or deduction difference. These eight...

Cassandra Torres · Sep 22, 2026Read more →
Business owner reconciling bank deposits with sales, CFDI, and tax returns.
Bank Deposits9 min read

Bank Deposits Without Invoice: What the SAT Detects and How to Avoid Discrepancies

The SAT can compare deposits, accounting records, CFDI, and tax returns; it identifies each credit and documents transactions that are...

Andrés Chávez · Aug 29, 2026Read more →
Businesswoman reviewing a positive Compliance Opinion along with tax returns and payments.
Compliance Opinion8 min read

Positive SAT Compliance Opinion: What It Means and What to Review

A positive Compliance Opinion is useful but does not replace reconciling tax returns, payments, CFDI, and recent obligations.

Juan Elizondo · Aug 18, 2026Read more →