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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.

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...

Fintax Team · 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...

Fintax Team · Aug 29, 2026Read more →
Businessman and accountant reconstructing an accounting error with documents from several fiscal years.
Tax Risk9 min read

Accounting Errors: Taxpayer Responsibility and the Five-Year Tax Period

An accountant's error can span multiple periods; the taxpayer needs to assess the scope, correct the cause, and retain evidence.

Fintax Team · Aug 23, 2026Read more →
Accountant handing a businesswoman receipts, reconciliation, and monthly pending report.
Accounting Management8 min read

What Your Accountant Should Deliver to You Every Month: Receipts, Workpapers, and Pending Items

A financial close isn’t finished by just saying “it’s done”: it requires receipts, workpapers, payments, reconciliations, and clear...

Fintax Team · Aug 21, 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.

Fintax Team · Aug 18, 2026Read more →
Financial director preparing cash flow and taxes for the second half of the year.
Tax Planning9 min read

Cash Flow and Taxes: How to Prepare for the Second Half of 2026 Without Improvising

Cash flow and taxes for the second half of 2026: how to anticipate payments, balances, fees, and adjustments without improvising.

Fintax Team · Jul 10, 2026Read more →
Taxpayer deciding what to solve alone and when to request tax advisory support.
Blog8 min read

SAT tax advisory: what you can verify yourself and when to escalate

Use SAT tax advisory efficiently: learn what you can verify yourself, which actions need accounting judgment and when a formal notice...

Equipo Fintax · Jun 17, 2026Read more →
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