Largest employers in Woluwe-Saint-Lambert
594 companies registered in 1200 Woluwe-Saint-Lambert report employees in recent accounts; here are the top 20. Cliniques universitaires Saint-Luc leads with 4,870.2 FTE (financial year 2024).
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 | Cliniques universitaires Saint-Luc Human health activities | €593.7m | €813.4m | €195.4m | 4,870.2 | 2024 |
| 2 | N.V. Besix S.A. Construction of residential and non-residential buildings | €1.04bn | €1.15bn | €258.7m | 808.8 | 2025 |
| 3 | Sabena Aerospace Engineering Manufacture of other transport equipment | €146.7m | €117.3m | €26.8m | 621.1 | 2025 |
| 4 | Haute Ecole Léonard de Vinci Education | €97.8m | €6.16m | €81.3m | 598.9 | 2025 |
| 5 | PHOENIX Pharma Belgium Manufacture of basic pharmaceutical products and pharmaceutical preparations | €235.4m | €1.33bn | €46.5m | 496.7 | 2026 |
| 6 | Butterfly Clean Services to buildings and landscape activities | €5.04m | €14.8m | €1.41m | 439.9 | 2025 |
| 7 | Domus Pura Personal service activities | €3.07m | €12.4m | 786,841 € | 351.2 | 2025 |
| 8 | CESI Human health activities | €40.4m | €44.3m | €29.4m | 283.0 | 2025 |
| 9 | Europese Organisatie voor Onderzoek en Behandeling van Kanker - Organisation Europeenne pour la Recherche et le Traitement du Cancer - European Organi Scientific research and development | €135.2m | €52.3m | €90.4m | 220.3 | 2025 |
| 10 | Mercedes-Benz Belgium Luxembourg Wholesale trade | €402.2m | €2.20bn | €59.3m | 212.5 | 2025 |
| 11 | Comité Scolaire de l'Ecole Intégrée Education | €1.75m | — | €1.68m | 198.0 | 2025 |
| 12 | UPS Europe Activities of head offices and management consultancy | €869.8m | €664.3m | €512.6m | 179.0 | 2025 |
| 13 | ByMyCar Brussels Wholesale trade | €42.3m | €156.6m | €14.0m | 174.7 | 2024 |
| 14 | Entreprises Jacques Delens Construction of residential and non-residential buildings | €39.2m | €49.9m | €8.54m | 140.9 | 2025 |
| 15 | Institut Royal d'Accueil pour le Handicap Moteur Residential care activities | €4.10m | — | €1.26m | 127.4 | 2025 |
| 16 | ASBL Ephec-Galilee Education | €100.5m | €4.21m | €64.1m | 122.8 | 2025 |
| 17 | Delwol Retail trade | €6.59m | — | €1.44m | 113.6 | 2025 |
| 18 | Centre de Rééducation de l'Enfance à Bruxelles Residential care activities | €6.41m | 140,481 € | €3.86m | 109.0 | 2025 |
| 19 | Societe de Services, de Participations, de Direction et d'Elaboration Wholesale trade | €370.4m | €199.7m | €254.2m | 103.8 | 2025 |
| 20 | Société de Développement hôtelier et de Gestion-Maatschappij voor Hotelontwikkeling en Beheer Accommodation | €50.9m | €11.8m | €44.9m | 94.6 | 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.
← All companies in Woluwe-Saint-Lambert
Frequently asked questions
Who is the largest employer in Woluwe-Saint-Lambert?
Cliniques universitaires Saint-Luc, with 4,870.2 full-time equivalents reported (financial year 2024). These jobs may be located outside the municipality.
How many companies in Woluwe-Saint-Lambert report employees?
594 out of 3,365, in accounts less than 3 years old.
Analyse companies in Woluwe-Saint-Lambert
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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 12 Nov 2026.