IT map / Social security, labour and education

Sistema de Informação da Segurança Social

Social security, labour and educationPlatformNational12 connections

Umbrella information system of Social Security covering contributor registration, contributions, benefits/pensions, enforcement and finance, shared by ISS, IGFSS, CNP and the regional institutes.

Acronym: SISS
Type: Platform
Level: National
Area: Social security, labour and education
Owner: Instituto de Informática, I.P.
Used by: public staff, other bodies
In service since: Not recorded
Evidence: Checked against sources
Interface types: REST API, SOAP web service
Product families: SAP R/3 and 'SAP4HANA' for the SIF financial component, Oracle WebLogic, Oracle Database [1] [2] [3]
Would the model apply?: Not yet analysed

Connections

12 documented links. Select any entry to open its page.

Sends data to1

Instituto do Emprego e Formação Profissional, I.P.Social Security now supplies contributive status and worker qualification data so IEFP no longer asks citizens for them

Connects to1

Plataforma de Interoperabilidade da Administração PúblicaiAP use cases: Cartão de Cidadão issuance exchanges with IRN/AT/Social Security; AT-Social Security articulation for the energy social tariff (100k to 800k households) · Real-time API

Run by2

Instituto da Segurança Social, I.P.ISS is business owner of contributor, benefit and pension processes run on SISS; TdC notes II runs the applications without prejudice to the other institutions' business competences
Instituto de Informática, I.P.II builds and runs the application (technical owner)

Gets data from6

Cartão de CidadãoCartão de Cidadão issuance exchanges information with Social Security through iAP · Real-time API
Declaração de RemuneraçõesMonthly remuneration declarations are submitted to the Social Security system (via SSD or PSi web services) and determine contributions · Batch file
Gestão de ContribuintesGC is one of the SISS core applications
Instituto de Segurança Social da Madeira, IP-RAMISSM uses the national applications GC, SEF, SICC and SIF run by II and depends on II and IGFSS for information systems and accounts
Segurança Social DiretaFront office to SISS for citizens and employers
Serviços Partilhados do Ministério da Saúde, E.P.E.Electronic sickness certificates (CIT) issued in health services are communicated electronically to Social Security (long-standing practice; the cited Portaria 11/2024 was not re-read because DR pages are not machine-readable). 'spms' is a shared health hub id · Real-time API

Connected from2

Plataforma de Serviços de InteroperabilidadeEmployers' HR/payroll systems push contracts, remuneration declarations and payment documents into SISS via PSi web services · Real-time API
Social XPlanned internal data-sharing layer over MTSSS data (end-2026 target)

What the owner signs for IT

Buyer in Portal BASE: Instituto de Informática, IP. This is everything the owner signed for IT, not the cost of this entry alone.

€501.0MIT contracts, 2012 to October 2026

€62.5Ma year on average, 2022 to 2025

1,196IT contracts signed

By signing year

2012Highest: 2022, €79.2M

121314151617181920212223242526

Contract value by the year it was signed, not yearly spending. 2026 runs to 25 October.

By type

IT services€351.9M · 70%

Software€96.6M · 19%

Hardware€36.3M · 7%

Telecom€16.0M · 3%

IT maintenance€213k · 0%