Sector · NACE 66

Activities auxiliary to financial services and insurance activities

8,543 Belgian companies whose main activity falls under NACE code 66 have filed annual accounts. Their median solvency is 47.3% for financial year 2024.

Companies8,543
Median solvency47.3%
Median equity170,970 €
Median headcount (FTE)2.3
Founded in the last 3 years677

Sector medians

Computed by Idonis

Distribution across the sector's companies for financial year 2024: a quarter of companies sit below the 1st quartile, half below the median, three quarters below the 3rd quartile.

Indicator1st quartileMedian3rd quartileCompanies
Solvency 18.0%47.3%76.9% 7,849
Current ratio 0.691.443.48 7,584
ROE 2.9%18.3%47.6% 7,159
Equity 43,931 €170,970 €497,873 € 7,899
Total assets 182,043 €502,988 €€1.15m 7,887
Net result 1,529 €28,826 €99,034 € 7,888
Headcount (avg FTE) 1.02.34.7 3,414

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: Activities auxiliary to financial services and insurance activities

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

#Company Total assetsRevenue EquityFTEYear
1 Esmee Master Issuer 1000 Brussels €10.5bn — 62,000 € — 2025
2 TotalEnergies Treasury Belgium 1000 Brussels €6.53bn — €3.52bn 16.9 2025
3 Lonza Finance International NV 4800 Verviers €3.28bn — €45.3m — 2025
4 NXMH 1050 Ixelles €2.27bn — €725.9m 6.0 2025
5 AON Belgium 1831 Machelen (Brab.) €1.75bn €393.1m €89.5m 317.0 2025
6 Fondation Roi Baudouin 1000 Brussels €1.75bn 580,415 € €1.66bn 156.4 2025
7 The House of Finance 8500 Kortrijk €1.58bn — €45.3m 3.0 2025
8 Silfin 2018 Antwerp €1.36bn — €215.3m 3.0 2025
9 Pluxee Belgium 1000 Brussels €1.15bn €98.0m €4.11m 255.4 2025
10 Natixis Belgique Investissements 1050 Brussels €1.14bn — €1.11bn 2.0 2025
11 Willis Towers Watson 4020 Liège €915.2m €131.4m €106.0m 123.7 2025
12 ICLHB Finance 1000 Brussels €724.5m €87.3m 61,500 € — 2025
13 Ibanfirst 1050 Brussels €689.2m €47.9m €18.5m 19.6 2025
14 AIG Global Reinsurance Operations 1050 Ixelles €610.9m — €19.9m 2.0 2025
15 Symrise Group Finance and IP-Holding 1050 Brussels €587.8m €68.6m €44.1m 0.9 2025
16 Magotteaux Group 4051 Chaudfontaine €522.1m — €430.4m — 2025
17 Apollo Finco 9031 Ghent €492.0m €1.66m −€7.95m 6.2 2025
18 VF Capital 3210 Lubbeek €471.2m — €462.8m — 2025
19 Fagron Capital 9810 Nazareth-De Pinte €461.1m — €16.4m 2.0 2025
20 Marsh 1160 Auderghem €460.5m €129.7m €56.6m 266.2 2025

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

Where are they based?

  • Antwerp1,503
  • East Flanders1,186
  • West Flanders1,134
  • Brussels-Capital837
  • Flemish Brabant826
  • Hainaut797
  • Limburg677
  • Liège660
  • Walloon Brabant427
  • Namur316
  • Luxembourg177

Municipalities with the most

Activities auxiliary to financial services and insurance activities: rankings by region and province

The largest companies in the sector in each region and province, by municipality of the registered office. A ranking is published once 10 companies in the sector publish the figure there.

AreaTotal assetsRevenueHeadcount
Flanders LargestRevenueEmployers
Wallonia LargestRevenueEmployers
Brussels LargestRevenueEmployers
Antwerp province LargestRevenueEmployers
Flemish Brabant LargestRevenueEmployers
Limburg Largest—Employers
East Flanders LargestRevenueEmployers
West Flanders LargestRevenueEmployers
Walloon Brabant LargestRevenueEmployers
Hainaut LargestRevenueEmployers
Liège province LargestRevenueEmployers
Luxembourg province LargestRevenueEmployers
Namur province LargestRevenueEmployers

Sub-sectors

Frequently asked questions

How many Activities auxiliary to financial services and insurance activities companies are there in Belgium?

8,543 Belgian companies whose main activity falls under NACE code 66 (Activities auxiliary to financial services and insurance activities) have filed annual accounts with the National Bank.

What is the median solvency in Activities auxiliary to financial services and insurance activities?

For financial year 2024, median solvency (equity over total assets) is 47.3%. The middle half of companies lies between 18.0% and 76.9% (7,849 companies).

What is the largest company in Activities auxiliary to financial services and insurance activities?

By total assets, it is Esmee Master Issuer (€10.5bn, financial year 2025).

Where are Activities auxiliary to financial services and insurance activities companies based?

The municipalities with the most: Ixelles (129), Brussels (125), Roeselare (106).

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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 12 Nov 2026.