Fintax
Sign in
SAT procedures

Everyday SAT procedures, supported by our team.

Our accountants support you with SAT procedures as your business develops. We review the requirements, prepare the documents and guide you through the process.

Book a free consultationRequest a quote
01

Identity and digital access

+
  • Support to obtain and renew your e.firma
  • SAT password procedures, previously known as CIEC
  • Digital seal certificate issuance and renewal
  • Tax Mailbox activation and contact updates
02

Tax documents

+
  • Obtaining and reviewing your Tax Status Certificate
  • Obtaining and reviewing your Compliance Opinion
03

Business activity and address

+
  • Adding and removing economic activities
  • Updating your SAT tax address
  • Activity suspension notices where applicable
04

In-person preparation

+
  • Preparation for SAT appointments with the required documents and information

Every procedure, supported by someone who knows how.

Other services for your business

  • Tax and employer registrationRegister your business and employer obligations
  • InvoicingRequest your invoices and we prepare them
  • Specialized tax servicesTax notices, clarifications and special registrations
Fintax

Your accounting is in good hands.

Services

  • Plans
  • Tax advisory
  • Tax and employer registration
  • Tax regularization
  • Monthly SAT tax compliance
  • Invoicing
  • Payroll and employer procedures
  • Specialized tax services
  • SAT procedures
  • Annual tax return
  • Follow-up
  • Reconciliation
  • SAT alerts
  • Remote support

Resources

  • News
  • Blog
  • Guides
  • Tax calendar
  • Tools
  • Downloads
  • AI prompts

About

  • Who we are
  • Team
  • How we work
  • Testimonials
  • Security
  • Book advisory

Help

  • Contact
  • Frequently asked questions
  • Terms and conditions
  • Privacy notice
(81) 2188 9524

Galeana 437, Colonia Centro 64000 Monterrey, N.L.

Antonio L. Rodríguez 2100 Colonia Santa María 64650 Monterrey, N.L.

© 2026 Fintax. All rights reserved. Made by Metanoia Talent.

Privacy noticeTerms and conditions
  • ES/
  • EN