Largest employers in Mons
515 companies registered in 7000 Mons report employees in recent accounts; here are the top 20. CHU Helora leads with 4,026.3 FTE (financial year 2025).
Top 20
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | CHU Helora Human health activities | €624.3m | €900.5m | €135.3m | 4,026.3 | 2025 |
| 2 | Intercommunale Gabrielle Passelecq Human health activities | €139.2m | €77.7m | €61.3m | 1,297.0 | 2025 |
| 3 | ABLS Residential care activities | €24.8m | €81.6m | €2.05m | 669.9 | 2025 |
| 4 | Les Foyers des Pauvres Soeurs Residential care activities | €68.8m | €14.7m | €40.6m | 561.4 | 2025 |
| 5 | Peps Interim Employment activities | €6.87m | €28.0m | 843,876 € | 376.2 | 2025 |
| 6 | "I.D.E.A. S.C" Activities of advertising, market research and public relations | €441.3m | €28.7m | €279.3m | 333.9 | 2025 |
| 7 | Industrial Consulting Automation Research Engineering Activities of head offices and management consultancy | €58.2m | €49.2m | €18.1m | 332.5 | 2024 |
| 8 | Ekoservices Belgique Personal service activities | €3.34m | €6.17m | €1.91m | 269.6 | 2025 |
| 9 | Logipôle Services to buildings and landscape activities | €7.38m | €24.8m | 8,500 € | 225.9 | 2025 |
| 10 | I.M.W.S. Manufacture of fabricated metal products, except machinery and equipment | €2.36m | — | 209,781 € | 184.3 | 2023 |
| 11 | le jardin des fees Residential care activities | €1.95m | €10.8m | −787,987 € | 122.3 | 2025 |
| 12 | Haute École Louvain en Hainaut Education | €83.1m | €3.81m | €43.3m | 111.4 | 2025 |
| 13 | Fondation Susa Social work activities without accommodation | €4.20m | €3.96m | €1.28m | 99.1 | 2025 |
| 14 | Adelmons Retail trade | €3.05m | €17.1m | €1.11m | 95.8 | 2026 |
| 15 | Multitel Scientific research and development | €7.30m | €2.76m | €3.61m | 85.6 | 2025 |
| 16 | Congres Hotel van der Valk Mons Accommodation | €17.5m | — | €6.54m | 82.0 | 2025 |
| 17 | Societe de Gestion d'Etablissements de Repos Residential care activities | €4.00m | — | €1.17m | 79.5 | 2025 |
| 18 | Materia Nova Scientific research and development | €31.5m | €2.58m | €5.80m | 75.4 | 2025 |
| 19 | Centre régional d'Education et de Services Residential care activities | €5.00m | — | 321,733 € | 75.0 | 2025 |
| 20 | Mars, Mons Arts de la Scène Arts creation and performing arts activities | €5.86m | €1.07m | €3.26m | 70.8 | 2025 |
Headcount reported by the company for all its sites: the jobs may be located elsewhere.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Frequently asked questions
Who is the largest employer in Mons?
CHU Helora, with 4,026.3 full-time equivalents reported (financial year 2025). These jobs may be located outside the municipality.
How many companies in Mons report employees?
515 out of 1,725, in accounts less than 3 years old.
Analyse companies in Mons
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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 12 Nov 2026.