Ranking · Brussels

The largest companies in Brussels

86,169 companies in Brussels have filed annual accounts. Here are the 50 largest by total assets: Anheuser-Busch Inbev leads with €121.9bn (financial year 2025).

Top 50 · Brussels

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

#Company Total assetsRevenue EquityFTEYear
1 Anheuser-Busch Inbev 1000 Brussels €121.9bn €1.43bn €81.3bn 227.7 2025
2 AG Insurance 1000 Brussels €76.3bn — €58.4bn 4,379.8 2025
3 KBC Groupe 1080 Molenbeek-Saint-Jean €39.7bn €107.5m €15.3bn 633.9 2025
4 AXA Belgium 1000 Brussels €36.8bn — €864.9m — 2025
5 Infrabel 1060 Saint-Gilles €25.7bn €1.43bn €20.2bn — 2025
6 Allianz Benelux 1000 Brussels €24.7bn — €675.8m — 2024
7 Atlas Services Belgium 1140 Evere €22.7bn €1.83m €22.7bn 13.2 2025
8 Bass Master Issuer 1000 Brussels €22.6bn — 62,000 € — 2025
9 P & V Assurances 1210 Saint-Josse-ten-Noode €20.8bn — €1.16bn — 2024
10 UCB Pharma 1070 Anderlecht €20.7bn €4.62bn €16.2bn 1,960.6 2025
11 Electrabel 1000 Brussels €20.5bn €13.1bn €10.2bn 4,261.0 2025
12 Belfius Assurances 1210 Saint-Josse-ten-Noode €20.4bn — €1.35bn — 2024
13 Engie CC 1000 Brussels €17.4bn €75.1m €3.49bn 254.0 2025
14 Lloyd's Insurance Company 1050 Ixelles €17.2bn — €653.6m — 2025
15 Hedera 1000 Brussels €16.1bn — — 2.0 2025
16 Toyota Motor Europe 1140 Evere €14.3bn €38.5bn €6.76bn 2,787.2 2026
17 Groupe Bruxelles Lambert 1000 Brussels €13.3bn €12.8m €11.0bn 49.4 2025
18 Société Nationale DES Chemins DE FER Belges 1060 Saint-Gilles €13.1bn €2.62bn €8.05bn — 2025
19 ageas SA/NV 1210 Saint-Josse-ten-Noode €13.0bn — €5.95bn — 2025
20 U C B 1070 Anderlecht €12.5bn — €9.16bn 207.2 2025
21 Vlaamse Maatschappij Voor Sociaal Wonen 1000 Brussels €12.4bn 343,301 € €1.81bn — 2025
22 NN Insurance Belgium 1060 Saint-Gilles €12.0bn — €452.0m — 2025
23 Alpha Credit 1000 Brussels €11.9bn €780.1m €94.9m 455.0 2025
24 Societe Federale DE Participations ET D'Investissement 1050 Brussels €11.7bn — €11.4bn 38.4 2025
25 Volkswagen International Belgium 1050 Brussels €11.1bn €8.80m €150.0m 41.4 2025
26 Syensqo 1130 Brussels €11.1bn — €7.63bn — 2025
27 Athora Belgium 1050 Ixelles €11.0bn — €336.4m — 2023
28 Vinci Finance International 1050 Brussels €10.9bn — €5.44bn 4.0 2025
29 Esmee Master Issuer 1000 Brussels €10.5bn — 62,000 € — 2025
30 Inbev Belgium 1070 Anderlecht €10.5bn €1.67bn €2.26bn 2,835.3 2025
31 Elia Transmission Belgium 1000 Brussels €10.5bn €1.52bn €3.86bn 611.6 2025
32 Vlaams Woningfonds 1000 Brussels €10.0bn 356,653 € €270.0m 131.2 2025
33 Proximus 1030 Schaerbeek €9.96bn €3.89bn €1.42bn 8,312.3 2025
34 Wise Europe 1050 Ixelles €9.82bn €434.0m €36.4m 38.8 2026
35 BNP Paribas Fortis Factor 1000 Brussels €9.11bn €47.7m €181.3m 195.2 2025
36 Société belge des Combustibles nucléaires Synatom 1000 Brussels €8.98bn €299.8m €15.6m 22.1 2025
37 Ageas Insurance International NV 1210 Saint-Josse-ten-Noode €8.71bn — €7.23bn — 2025
38 QBE Europe 1050 Ixelles €8.44bn — €1.35bn — 2025
39 EDF Investissements Groupe 1050 Ixelles €7.59bn — €7.35bn 3.2 2025
40 Engie Energy Services International 1000 Brussels €7.45bn — €3.40bn — 2025
41 Elia Asset 1000 Brussels €7.19bn €963.7m €1.73bn 999.9 2025
42 UCB Biopharma 1070 Anderlecht €7.15bn €2.04bn €1.18bn 1,395.2 2025
43 Elia Group 1000 Brussels €7.15bn — €5.05bn 9.3 2025
44 Ergo Insurance 1000 Brussels €6.83bn — €453.6m — 2025
45 Engie Energy Management 1000 Brussels €6.65bn €139.5m €4.56bn 6.0 2025
46 TotalEnergies Treasury Belgium 1000 Brussels €6.53bn — €3.52bn 16.9 2025
47 CTH Invest 1170 Watermael-Boitsfort €6.36bn €1.32m €4.99bn 3.5 2025
48 TotalEnergies Petrochemicals & Refining 1000 Brussels €6.33bn €15.5bn €4.72bn 352.8 2025
49 Umicore 1000 Brussels €6.26bn €5.43bn €2.10bn 3,209.0 2025
50 Sofina 1040 Brussels €5.95bn €3.42m €4.49bn 48.2 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 Brussels?

By total assets, it is Anheuser-Busch Inbev (€121.9bn, 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 Brussels have filed annual accounts?

86,169 active companies are registered there and have filed at least one set of annual accounts.

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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.