CompanyBelgium
Home/Office National de Sécurité Sociale

Office National de Sécurité Sociale

Active
Place Victor Horta 11, 1060 Saint-Gilles

Company information

BCE number

0206.731.645

VAT number

BE 0206.731.645

Status

Active

Creation date

01/01/1968

Entity type

Personne morale

Legal form

Autre service fédéral

Short name

ONSS

Contact

Registered office

Place Victor Horta 11, 1060 Saint-Gilles

Phone

Email

Main activities

75301
Sécurité sociale obligatoire, à l'exclusion des mutuelles
84301
Sécurité sociale obligatoire, à l'exclusion des mutuelles
84301
Sécurité sociale obligatoire, à l'exclusion des mutuelles

Denominations

Denomination officielle
FR

Office National de Sécurité Sociale

Nom abrege
FR

ONSS

Denomination officielle
NL

Rijksdienst voor Sociale Zekerheid

Nom abrege
NL

RSZ

Denomination officielle
DE

Landesamt für soziale Sicherheit

Nom abrege
DE

LSS

Calcul du score de paiement...

Belgian Official Gazette Publications

Loading publications...

Financial health gauge

Solvency, stability, performance and payment — based on NBB annual accounts.

Indicators available after sign-in.

Full credit report

Detailed analysis of solvency, payment incidents and credit risk.

Get the report

Is this your company?

Claim this page and boost your visibility

Become a partner to enhance this page with your services, capture inbound leads and boost your SEO on CompanyBelgium.

Apply to join

Legal information

StatusActive
Entity typePersonne morale
Legal formAutre service fédéral
Creation date01/01/1968
Establishment units11
Main activities3

Frequently Asked Questions

Reviews

Verified reviews of Office National de Sécurité Sociale from Company Belgium users.

/ 5
No reviews
Reviews charter

Office National de Sécurité Sociale — Autre service fédéral in Saint-Gilles

Office National de Sécurité Sociale is a Belgian company registered with the Crossroads Bank for Enterprises (KBO/BCE) under number 0206.731.645. Incorporated as a Autre service fédéral, it is currently Active, with its registered office located in Saint-Gilles. According to official KBO/BCE records, the company was registered on 01 January 1968. This page consolidates all publicly available information: address, directors, main economic activity, branches and tax identifiers.

Company identity

Registered office address

The registered office of Office National de Sécurité Sociale is located at: Place Victor Horta 11, 1060 Saint-Gilles. This address corresponds to the principal place of business declared with the Crossroads Bank for Enterprises and is used for all official correspondence.

Main activity

The main economic activity declared by Office National de Sécurité Sociale is: Sécurité sociale obligatoire, à l'exclusion des mutuelles (NACE-BEL code 75301). This activity is listed in the official NACE classification used by Belgian and European authorities to categorise economic sectors.

Peppol e-invoicing

Peppol identifier of Office National de Sécurité Sociale: 0208:0206731645. This identifier allows the sending and receiving of electronic invoices (e-invoicing) over the Peppol network, in compliance with Belgian B2B invoicing regulations.

Active branches

Office National de Sécurité Sociale currently has 11 active branch(es) declared with the KBO/BCE, in addition to its registered office. The full list of branches with details is available further down on this page.

Data updated on 07 April 2026 (source: KBO/BCE).