Sector · NACE 8430

Compulsory social security activities

71 Belgian companies whose main activity falls under NACE code 8430 have filed annual accounts. Their median solvency is 62.8% for financial year 2025.

Companies71
Median solvency62.8%
Median equity€3.46m
Median headcount (FTE)11.7
Founded in the last 3 years1

Sector medians

Computed by Idonis

Distribution across the sector's companies for financial year 2025: a quarter of companies sit below the 1st quartile, half below the median, three quarters below the 3rd quartile.

Indicator1st quartileMedian3rd quartileCompanies
Solvency 21.9%62.8%87.4% 66
Current ratio 1.212.147.84 57
ROE -0.9%2.6%7.7% 61
Equity 429,139 €€3.46m€16.0m 66
Total assets 759,432 €€11.4m€51.4m 67
Net result −5,266 €64,485 €501,497 € 61
Headcount (avg FTE) 3.111.752.3 42

Medians computed by Idonis from annual accounts filed with the National Bank, all sizes combined. The same panel is the sector benchmark on every company page. Method

Largest companies: Compulsory social security activities

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 Fonds de pension du secteur non-marchand fédéral 1000 Brussels €457.0m — 1 € — 2025
2 Liantis caisse d'assurances sociales 1000 Brussels €455.2m €38.8m €40.2m 168.2 2025
3 MC Assure 1030 Schaerbeek €340.0m — €243.1m — 2025
4 Organisme voor de Financiering van Pensioenen "Pensioenfonds van de Vlaamse Non-Profit/social-Profitsector" 1000 Brussels €334.2m — 1 € — 2025
5 Acerta Sociaal Verzekeringsfonds 1020 Brussels €329.8m €50.5m €39.6m 238.5 2025
6 Xerius Caisse D'Assurances Sociales 2000 Antwerp €322.6m €37.6m €50.7m 187.5 2025
7 Securex Integrity, Caisse Libre D'Assurances Sociales Pour Travailleurs Independants - Securex Integrity, Vrij Sociaal Verzekeringsfonds Voor Zelfstandigen 1040 Etterbeek €296.7m €23.5m €16.0m 59.6 2025
8 KAS Voor Jaarlijkse Vakantie Voor DE Metaal Machine EN Eletrische Bouw 1000 Brussels €293.6m — €78.4m 9.2 2025
9 Caisse Nationale Patronale Pour LES Conges Payes Dans L'Industrie DU Batiment ET DES Travaux Publics Nationale Patroonskas Voor HET Betaald Verlof IN DE Bouwbe 1000 Brussels €271.1m — €41.0m 20.6 2025
10 Caisse DES Conges Payes DE L'Alimentation Belge 1070 Anderlecht €213.8m — €34.0m 12.7 2025
11 Nationaal Hulpfonds-Fonds National d'Entraide 1030 Schaerbeek €134.6m — €95.8m — 2025
12 Parentia Vlaanderen 1000 Brussels €128.6m — €29.7m 147.4 2025
13 Parentia Wallonie 5000 Namur €128.6m — €19.3m 91.8 2025
14 My Family 2000 Antwerp €108.6m 57,163 € €33.5m 111.6 2024
15 Caisse Wallonne d'Allocations Familliales Camille 5100 Namur €99.0m — €3.02m 90.0 2025
16 MC Patrimoine 5020 Namur €65.6m €4.34m €56.1m — 2025
17 Group S-Caisse d'assurances sociales pour indépendants a.s.b.l 1000 Brussels €60.4m €6.20m €10.4m 47.1 2025
18 Maison DE LA Solidarite 1000 Brussels €54.1m €4.35m €26.6m — 2025
19 HospiPlus 9300 Aalst €48.8m — €35.6m — 2025
20 Verbint 2300 Turnhout €48.2m €12.9m €31.0m 207.7 2025

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Where are they based?

  • Brussels-Capital42
  • East Flanders8
  • Namur6
  • Antwerp6
  • Flemish Brabant3
  • Limburg2
  • Liège2
  • Walloon Brabant1
  • West Flanders1

Municipalities with the most

Related sectors

← The whole Public administration and defence; compulsory social security sector (NACE 84)

Frequently asked questions

How many Compulsory social security activities companies are there in Belgium?

71 Belgian companies whose main activity falls under NACE code 8430 (Compulsory social security activities) have filed annual accounts with the National Bank.

What is the median solvency in Compulsory social security activities?

For financial year 2025, median solvency (equity over total assets) is 62.8%. The middle half of companies lies between 21.9% and 87.4% (66 companies).

What is the largest company in Compulsory social security activities?

By total assets, it is Fonds de pension du secteur non-marchand fédéral (€457.0m, financial year 2025).

Where are Compulsory social security activities companies based?

The municipalities with the most: Brussels (30), Schaerbeek (4), Anderlecht (3).

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Active companies (legal entities) that have filed at least one set of annual accounts, based on the Crossroads Bank for Enterprises and the National Bank of Belgium. The sector is the main activity in the register; the municipality is that of the registered office. Data updated on 10 Oct 2026.