Companies in 7000 Mons
1,723 companies that have filed annual accounts are registered in 7000 Mons.
Largest companies in Hainaut → · Largest employers in Hainaut →
Main sectors in Mons
Largest companies in Mons
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | CHU Helora Human health activities | €624.3m | €900.5m | €135.3m | 4,026.3 | 2025 |
| 2 | Minos Managment Company Activities of advertising, market research and public relations | €572.2m | 504,215 € | €548.4m | — | 2024 |
| 3 | "I.D.E.A. S.C" Activities of advertising, market research and public relations | €441.3m | €28.7m | €279.3m | 333.9 | 2025 |
| 4 | Societe D'Investissement DE Mons, DU Borinage ET DU Centre Financial service activities, except insurance and pension funding | €189.5m | — | €7.35m | 13.0 | 2025 |
| 5 | Imbc Capital Risque Financial service activities, except insurance and pension funding | €153.1m | — | €138.4m | — | 2025 |
| 6 | Intercommunale Gabrielle Passelecq Human health activities | €139.2m | €77.7m | €61.3m | 1,297.0 | 2025 |
| 7 | I-Care Holding Financial service activities, except insurance and pension funding | €86.2m | €3.54m | €69.2m | 3.8 | 2024 |
| 8 | Haute École Louvain en Hainaut Education | €83.1m | €3.81m | €43.3m | 111.4 | 2025 |
| 9 | Les Foyers des Pauvres Soeurs Residential care activities | €68.8m | €14.7m | €40.6m | 561.4 | 2025 |
| 10 | Industrial Consulting Automation Research Engineering Activities of head offices and management consultancy | €58.2m | €49.2m | €18.1m | 332.5 | 2024 |
| 11 | Imbc Spinnova Financial service activities, except insurance and pension funding | €52.1m | — | €1.96m | — | 2025 |
| 12 | Wallimage Motion picture, video and television programme production, sound recording and music publishing activities | €48.1m | 662,851 € | €47.3m | 15.0 | 2025 |
| 13 | Societe DE Developpement ET DE Leasing DE LA Region DE Mons, DU Borinage ET DU Centre Real estate activities | €44.1m | — | €30.0m | — | 2025 |
| 14 | Imbc 2020 Financial service activities, except insurance and pension funding | €39.3m | — | €36.6m | — | 2025 |
| 15 | A.M.B. Manufacture of fabricated metal products, except machinery and equipment | €36.8m | €7.31m | €27.3m | 36.9 | 2025 |
| 16 | Materia Nova Scientific research and development | €31.5m | €2.58m | €5.80m | 75.4 | 2025 |
| 17 | W Racing Team Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles | €28.6m | €57.1m | €5.91m | 50.8 | 2025 |
| 18 | Société de Gestion Industrielle Activities of head offices and management consultancy | €24.9m | €2.80m | €23.6m | 6.4 | 2025 |
| 19 | ABLS Residential care activities | €24.8m | €81.6m | €2.05m | 669.9 | 2025 |
| 20 | Imbc.Five Activities auxiliary to financial services and insurance activities | €23.1m | — | €23.0m | 0.9 | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Based elsewhere, present in Mons
843 companies with their registered office in another municipality operate at least one establishment in Mons (shop, branch, depot…). The largest, by balance sheet total:
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Infrabel 1060 Saint-Gilles | €25.7bn | €1.43bn | €20.2bn | — | 2025 |
| 2 | Ethias 4000 Liège | €20.8bn | — | €1.89bn | — | 2025 |
| 3 | Société Nationale DES Chemins DE FER Belges 1060 Saint-Gilles | €13.1bn | €2.62bn | €8.05bn | — | 2025 |
| 4 | Proximus 1030 Schaerbeek | €9.96bn | €3.89bn | €1.42bn | 8,312.3 | 2025 |
| 5 | Colruyt Group 1500 Halle | €8.45bn | €930.1m | €6.32bn | 4,183.3 | 2026 |
| 6 | Federale Assurance 1000 Brussels | €4.30bn | — | €234.1m | — | 2025 |
| 7 | bpost 1000 Brussels | €4.27bn | €2.19bn | €657.6m | 23,730.2 | 2025 |
| 8 | Orange Belgium 1140 Evere | €3.71bn | €1.67bn | €864.1m | 1,953.2 | 2025 |
| 9 | Colruyt Food Retail 1500 Halle | €3.05bn | €8.05bn | €786.2m | 16,584.4 | 2026 |
| 10 | Societe Wallonne DES Eaux 4800 Verviers | €2.56bn | €631.3m | €1.52bn | 1,318.2 | 2025 |
| 11 | Operateur DE Transport DE Wallonie 5100 Namur | €1.91bn | €66.4m | €877.2m | 6,183.2 | 2025 |
| 12 | Carrefour Belgium 1930 Zaventem | €1.42bn | €4.02bn | €42.5m | 6,365.9 | 2025 |
| 13 | Université Catholique de Louvain 1348 Ottignies-Louvain-la-Neuve | €1.10bn | — | €866.5m | 5,467.6 | 2025 |
| 14 | KUWAIT PETROLEUM (Belgium) 2018 Antwerp | €628.7m | €2.73bn | €214.6m | 426.3 | 2025 |
| 15 | HR Rail 1060 Saint-Gilles | €549.4m | €2.37bn | €28.3m | 27,811.0 | 2025 |
| 16 | Desco 2110 Wijnegem | €497.0m | €370.7m | €462.6m | 528.4 | 2025 |
| 17 | Acerta Sociaal Secretariaat - Acerta Secretariat Social - Acerta Sozialsekretariat 1020 Brussels | €490.1m | €146.5m | €45.3m | 586.7 | 2025 |
| 18 | Group S - Secretariat Social, Secretariat Social Agree D'Employeurs 1000 Brussels | €463.5m | €79.4m | €29.7m | 34.6 | 2025 |
| 19 | Unique 2000 Antwerp | €456.2m | €99.7m | €444.2m | 1,625.3 | 2025 |
| 20 | Association Chretienne DES Institutions Sociales ET DE Sante 5000 Namur | €419.5m | €76.5m | €275.9m | 4,332.0 | 2025 |
Establishments: establishment units declared in the Crossroads Bank for Enterprises (CBE). Each company’s registered office is shown under its name.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Nearby municipalities
Frequently asked questions
How many companies are registered in Mons?
1,723 companies that have filed annual accounts are registered at postcode 7000 (Mons).
What are the main sectors in Mons?
By number of companies: Human health activities (192), Real estate activities (182), Food and beverage service activities (170).
What is the largest company in Mons?
By total assets, it is CHU Helora (€624.3m, financial year 2025).
How many jobs do companies in Mons report?
Companies registered in Mons together report 12,712 full-time equivalents in their latest accounts. These jobs may be located outside the municipality.
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Open the full file →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 25 Oct 2026.