Ranking · Flemish Brabant

The largest companies in Flemish Brabant

71,240 companies in Flemish Brabant have filed annual accounts. Here are the 50 largest by total assets: KBC Assurances leads with €37.3bn (financial year 2025).

Top 50 · Flemish Brabant

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

#Company Total assetsRevenue EquityFTEYear
1 KBC Assurances 3000 Leuven €37.3bn — €18.2bn 1,020.0 2025
2 Pfizer Service Company 1932 Zaventem €14.2bn €31.9bn €135.6m 221.3 2025
3 Cobrew 3000 Leuven €11.9bn — €199.6m 6.7 2025
4 Colruyt Group 1500 Halle €8.45bn €930.1m €6.32bn 4,183.3 2026
5 Caparbel 1930 Zaventem €6.28bn — €6.22bn — 2025
6 Bayer 1831 Machelen (Brab.) €5.56bn €175.2m €5.53bn 153.9 2025
7 Bridgestone Europe NV/SA 1930 Zaventem €4.89bn €3.89bn €2.33bn 429.5 2025
8 Avnet Holding Europe 1831 Machelen (Brab.) €4.83bn €7.65m €1.27bn 9.0 2025
9 Maatschappij Voor Roerend Bezit VAN DE Boerenbond 3000 Leuven €4.19bn — €4.13bn 10.1 2025
10 Arval Belgium 1930 Zaventem €4.15bn €1.15bn €173.4m 448.9 2025
11 AXUS 1932 Zaventem €3.85bn €1.80bn €682.0m 521.3 2025
12 Avnet Europe 1831 Machelen (Brab.) €3.77bn €2.84bn €1.26bn 216.1 2025
13 KBC Ancora 3000 Leuven €3.69bn — €3.59bn — 2026
14 ETEX 1930 Zaventem €3.33bn €58.7m €2.05bn 100.5 2025
15 Cera 3000 Leuven €3.29bn €19.7m €3.25bn 45.9 2025
16 Viatris International Supply Point 1560 Hoeilaart €3.12bn €2.30bn €1.42bn 40.0 2025
17 Colruyt Food Retail 1500 Halle €3.05bn €8.05bn €786.2m 16,584.4 2026
18 Korys 1500 Halle €2.68bn 97,000 € €2.54bn — 2026
19 Ahara 1500 Halle €2.59bn — €2.59bn — 2026
20 Fluvius Zenne-Dijle 3210 Lubbeek €2.52bn €354.2m €554.6m — 2025
21 Gmed Healthcare 1831 Machelen (Brab.) €2.14bn €3.61bn €85.1m 89.4 2025
22 Sonoco 1831 Machelen (Brab.) €2.06bn €5.63m €2.06bn 21.1 2025
23 Delhaize Le Lion/De Leeuw 1730 Asse €2.02bn €5.49bn €239.4m 3,423.3 2025
24 D'Ieteren Lease 3071 Kortenberg €1.95bn €810.0m €101.6m — 2025
25 Komatsu Europe International 1800 Vilvoorde €1.90bn €1.74bn €1.34bn 349.2 2026
26 Allnex Belgium 1620 Drogenbos €1.89bn €202.7m €891.1m 299.7 2025
27 Nirmana Retail 1500 Halle €1.81bn €290.5m €1.28bn 26.8 2026
28 AON Belgium 1831 Machelen (Brab.) €1.75bn €393.1m €89.5m 317.0 2025
29 KBC Autolease 3000 Leuven €1.71bn €505.3m €7.88m 138.0 2025
30 Danone Rotselaar SP 3110 Rotselaar €1.60bn €298.2m €1.53bn 465.2 2025
31 Carrefour Belgium 1930 Zaventem €1.42bn €4.02bn €42.5m 6,365.9 2025
32 St. Jude Medical Coordination Center 1930 Zaventem €1.37bn €2.12bn €568.5m 349.1 2025
33 Fluvius Halle-Vilvoorde 1800 Vilvoorde €1.36bn €238.2m €343.2m — 2025
34 Puratos Group 1702 Dilbeek €1.35bn — €553.4m 5.0 2025
35 Microsoft 1930 Zaventem €1.28bn €1.65bn €143.8m 528.4 2025
36 Interuniversitair Micro-Electronica Centrum 3001 Leuven €1.27bn €804.3m €512.1m 2,904.3 2025
37 Korys Investments 1500 Halle €1.17bn 814,224 € €1.13bn 25.0 2026
38 VWR International 3001 Leuven €1.12bn €538.9m €952.2m — 2025
39 Donaldson Europe 3001 Leuven €1.12bn €320.8m €744.9m 503.3 2025
40 TNFO 1640 Sint-Genesius-Rode €1.11bn — €1.06bn 7.2 2025
41 Komatsu Europe Coordination Center 1800 Vilvoorde €1.08bn €3.45m €259.7m 17.1 2026
42 Komatsu Financial Europe 1800 Vilvoorde €1.07bn €8.48m €125.0m 11.7 2026
43 Puratos 1702 Dilbeek €1.04bn €1.01bn €200.1m 1,452.7 2025
44 Terumo Europe 3001 Leuven €979.9m €799.2m €590.9m 721.3 2026
45 WDP Invest 1861 Meise €953.2m 50,000 € €144.9m — 2025
46 Virya Energy 1500 Halle €908.0m €9.95m €781.1m 42.5 2025
47 Randstad Belgium 1853 Grimbergen €885.3m €866.5m €360.5m 20,825.7 2025
48 Athlon CAR Lease Belgium 1830 Machelen (Brab.) €866.5m €281.1m €95.1m 126.1 2025
49 Belfius Auto Lease 1930 Zaventem €842.9m €241.3m €24.0m 50.4 2025
50 Ideal Standard International 1930 Zaventem €830.4m €451.8m €133.0m 23.0 2025

Ranking based on each company's own annual accounts (statutory, not consolidated): a subsidiary and its parent appear separately, and the ranking differs from lists based on consolidated group accounts.

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

Frequently asked questions

What is the largest company in Flemish Brabant?

By total assets, it is KBC Assurances (€37.3bn, financial year 2025).

Why does this ranking differ from other lists?

It uses each company's annual accounts as filed with the National Bank, not consolidated group accounts. A holding, a subsidiary or a purchasing entity can therefore appear separately. Only companies whose latest accounts are less than 3 years old are ranked.

How many companies in Flemish Brabant have filed annual accounts?

71,240 active companies are registered there and have filed at least one set of annual accounts.

Idonis

Analyse companies · Flemish Brabant

Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.

Open the full file →
Free account in 30 seconds, by email. No bank card.

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 11 Nov 2026.