Corporate e.firma in Mexico
Plan a Mexican company’s e.firma application with SAT. Understand how the electronic signature relates to the RFC and the company representative.
What is an e.firma?
The e.firma is Mexico’s electronic signature credential issued by SAT. For a company it is associated with the taxpayer’s RFC and is used to sign or authenticate supported filings and government procedures.
The company’s RFC
Check whether the entity already has an RFC and whether its registration details match the company’s current records.
The company representative
Review who will act for the entity and the documents that show their authority for the relevant procedure.
How it will be used
Identify the filings you need to make and who will manage the signature credential within your company.
Planning steps
Prepare for the e.firma application
Review the company record
Confirm the company’s RFC and collect the relevant incorporation and representation documents.
Confirm the application procedure
Check current SAT guidance for a corporate application and identify any filing or appointment steps.
Plan ongoing custody
Decide who will control access to the company’s signing credentials and maintain its filing records.