IT map / Finance and tax
Portal das Finanças
AT's online channel for filing returns, paying taxes, issuing invoices/receipts and consulting tax status; login through acesso.gov.pt.
- Acronym
- —
- Type
- Portal
- Level
- National
- Area
- Finance and tax
- Owner
- Autoridade Tributária e Aduaneira
- Used by
- citizens, businesses, accountants, public staff
- In service since
- Not recorded
- Evidence
- Checked against sources
- Interface types
- SOAP web service, Web portal / forms, other
- Product families
- Oracle Exalogic / Private Cloud Appliance, Oracle WebLogic [1] [2]
- Login and identity links
- 8, counted but not listed
- Would the model apply?
- Not yet analysed
Connections
4 documented links. Select any entry to open its page.
Connects to1
- Plataforma de Integração da APAT exposes its invoice-validation service on the PI; AT and Segurança Social data drove automatic Tarifa Social de Energia eligibility (~4M records) · Real-time API
Exchanges with (EU)2
- Balcão Único do IVA (OSS / IOSS)OSS/IOSS registration and returns filed in Portal das Finanças; AT redistributes VAT to other Member States
- Sistema Eletrónico Central de Informações sobre Pagamentos (CESOP)Payment service providers report cross-border payment data to AT, which transmits it to CESOP
What the owner signs for IT
Buyer in Portal BASE: Autoridade Tributária e Aduaneira. This is everything the owner signed for IT, not the cost of this entry alone.
€765.2MIT contracts, 2012 to October 2026
€96.9Ma year on average, 2022 to 2025
2,865IT contracts signed
By signing year
2012Highest: 2025, €145.6M
121314151617181920212223242526
Contract value by the year it was signed, not yearly spending. 2026 runs to 25 October.