Largest employers in Hoeilaart
117 companies registered in 1560 Hoeilaart report employees in recent accounts; here are the top 20. Viatris leads with 137.5 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 | Viatris Wholesale trade | €141.1m | €163.7m | €96.5m | 137.5 | 2025 |
| 2 | Omnicom Media Belgium Activities of advertising, market research and public relations | €95.6m | €213.6m | €15.6m | 115.0 | 2025 |
| 3 | Schweppes Suntory Benelux Manufacture of beverages | €87.5m | €141.6m | €38.4m | 109.0 | 2025 |
| 4 | DPS Group Belgium Computer programming, consultancy and related activities | €14.7m | €31.8m | €1.99m | 97.4 | 2024 |
| 5 | Merck Wholesale trade | €26.6m | €42.6m | €21.1m | 57.1 | 2025 |
| 6 | Van Caudenberg Land transport and transport via pipelines | €4.93m | €9.74m | €1.25m | 52.2 | 2025 |
| 7 | Intercommunale Vereniging voor de Ophaling van Afvalstoffen in de Gemeenten van de vroegere randfederatie Tervuren Waste collection, recovery and disposal activities | €3.95m | 736,947 € | €2.60m | 47.8 | 2025 |
| 8 | Merck Life Science Wholesale trade | €46.1m | €158.5m | €21.9m | 46.3 | 2025 |
| 9 | Transport Debrouwer Land transport and transport via pipelines | €3.00m | — | €1.30m | 45.6 | 2025 |
| 10 | Viatris International Supply Point Wholesale trade | €3.12bn | €2.30bn | €1.42bn | 40.0 | 2025 |
| 11 | Semetis Computer programming, consultancy and related activities | €4.57m | €13.3m | €1.21m | 38.8 | 2025 |
| 12 | Omnicom Media Group Activities of advertising, market research and public relations | €68.1m | €119.5m | €1.84m | 34.6 | 2025 |
| 13 | Brankaer Services to buildings and landscape activities | €1.90m | — | 876,894 € | 30.0 | 2025 |
| 14 | Distri Benats Retail trade | €4.53m | — | 182,569 € | 28.4 | 2025 |
| 15 | Mecs Europe/Africa Manufacture of basic pharmaceutical products and pharmaceutical preparations | €72.9m | €44.9m | €44.1m | 23.7 | 2025 |
| 16 | PHD Media Activities of advertising, market research and public relations | €18.8m | €39.4m | €1.43m | 22.8 | 2025 |
| 17 | OMD Activities of advertising, market research and public relations | €16.2m | €58.4m | 958,429 € | 20.8 | 2025 |
| 18 | Spacebel Vlaanderen Manufacture of other transport equipment | €7.35m | €2.73m | 664,668 € | 15.7 | 2025 |
| 19 | V2V Express One Retail trade | 732,409 € | — | 92,194 € | 14.9 | 2025 |
| 20 | Proxy Defacqz Retail trade | 750,778 € | — | −408,011 € | 12.0 | 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 Hoeilaart?
Viatris, with 137.5 full-time equivalents reported (financial year 2025). These jobs may be located outside the municipality.
How many companies in Hoeilaart report employees?
117 out of 674, in accounts less than 3 years old.
Analyse companies in Hoeilaart
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.