Run compliant Mexican payroll from your US HQ.
Nómaton runs the repetitive gross-to-net calculations for ordinary Mexican payroll. Your team reviews the results, validates every detail, and exports with confidence.
CFDI 4.0 · ISR · IMSS · English-first
See a full run, start to finish.
From draft to stamped, watched end to end.
Every run moves through one transparent flow: approved, paid, and stamped before the SAT. No phone calls to your accountant. No black boxes.
Stamped by a certified PAC. Zero manual uploads.
Receipts are generated, sealed, and stamped in seconds: UUID, folio fiscal, and SAT seal attached automatically. No analyst uploading XML one by one.
Calculated to the centavo. Every employee, every time.
Art. 96 LISR tables, subsidio al empleo, and IMSS are computed automatically and shown line by line, so the math is never a mystery.
Learn the rules before you run payroll.
In-depth, free guides on the compliance that trips up US teams the most: IMSS registration, CFDI 4.0 timbrado, ISR tables, and the labor-law essentials.
IMSS Registration Guide for US Employers
Complete guide to IMSS registration in Mexico: employer enrollment (Alta Patronal), employee sign-up, contribution rates, SUA reporting, and how to avoid penalties.
CFDI Timbrado Explained: Digital Payroll Receipts in Mexico
Learn how CFDI 4.0 payroll timbrado works in Mexico: XML generation, digital signing with CSD certificates, PAC stamping, common errors, and SAT penalties.
ISR Tax Tables Breakdown: Mexican Income Tax Withholding
Understand Mexico's ISR income tax withholding: Art. 96 progressive brackets, period-specific tables, subsidio al empleo, and a step-by-step calculation example.
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