Run 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 approved, every step in view.
The accompanied pilot is being prepared for parallel evaluation: calculate, review and approve for comparison. Your current provider continues paying, stamping and filing.
Local validation of payroll XML.
The test flow builds unsigned CFDI 4.0 payroll XML with the Nómina 1.2 complement. Demo issuance is simulated. Real PAC stamping and cancellation are outside the parallel pilot.
ISR and IMSS, line by line.
Art. 96 LISR tables, the subsidio para el empleo, and IMSS are computed and shown line by line, so your team can check every figure before approving.
Learn the rules before you run payroll.
Free guides on the Mexican payroll rules that trip 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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