Sede Electrónica de la Agencia Tributaria (AEAT)
Spanish Tax Office
Official Spanish State Certificates:Spanish state portals use the official FNMT-RCM root certificate. In Firefox/Safari, click 'Advanced' → 'Accept Risk' to connect.
Overview & Purpose
Spanish Tax Office
Key Online Procedures
1Online Electronic Application & Filing
Access the electronic headquarters to submit forms, review ongoing procedures, and download official certificates.
Required Software & Mobile Apps
Official tools recommended for online procedures, digital identity verification, and document signing in Spain.
AutoFirma (Desktop)
Official Spanish application for signing PDF files, administrative applications, and forms from desktop browsers.
Cl@ve Móvil / Cl@ve PIN
Official mobile app for fast and secure two-factor authentication across all Spanish public administration portals.
Mi Carpeta Ciudadana App
Unified citizen mobile dashboard for reviewing residency records, tax certificates, cadastral data, and driving points.
What You'll Need
- Valid NIE or DNI
- Certificado Digital FNMT or Cl@ve PIN/Permanente
- AutoFirma software installed (for document signing)
Complete Guide to Sede Electronica De La Agencia Tributaria Aeat in Spain: Procedures, Digital Access & Requirements
Everything you need to know about navigating Sede Electronica De La Agencia Tributaria Aeat online in Spain with Cl@ve, digital certificates, and required documentation.
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Ministerio de Hacienda
Spanish Ministry of Finance
Instituto Nacional de Estadística (INE)
National Institute of Statistics
Sede Electrónica del INE
Portal of electronic inquiries and population census
