Companies in 1560 Hoeilaart
673 companies that have filed annual accounts are registered in 1560 Hoeilaart.
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Main sectors in Hoeilaart
Largest companies in Hoeilaart
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 | Viatris International Supply Point Wholesale trade | €3.12bn | €2.30bn | €1.42bn | 40.0 | 2025 |
| 2 | Viatris Wholesale trade | €141.1m | €163.7m | €96.5m | 137.5 | 2025 |
| 3 | Omnicom Media Belgium Activities of advertising, market research and public relations | €95.6m | €213.6m | €15.6m | 115.0 | 2025 |
| 4 | Schweppes Suntory Benelux Manufacture of beverages | €87.5m | €141.6m | €38.4m | 109.0 | 2025 |
| 5 | Mecs Europe/Africa Manufacture of basic pharmaceutical products and pharmaceutical preparations | €72.9m | €44.9m | €44.1m | 23.7 | 2025 |
| 6 | Merck Chemicals NV/SA Manufacture of machinery and equipment n.e.c. | €71.6m | €2.15m | €71.1m | 9.6 | 2025 |
| 7 | Omnicom Media Group Activities of advertising, market research and public relations | €68.1m | €119.5m | €1.84m | 34.6 | 2025 |
| 8 | Docpharma Manufacture of chemicals and chemical products | €48.2m | — | €36.6m | — | 2025 |
| 9 | Merck Life Science Wholesale trade | €46.1m | €158.5m | €21.9m | 46.3 | 2025 |
| 10 | Viatris Healthcare Wholesale trade | €41.2m | €1.85m | €37.9m | — | 2025 |
| 11 | SB Holdings | €33.6m | — | €33.6m | — | 2025 |
| 12 | Viatris GX Wholesale trade | €31.1m | — | €27.9m | — | 2025 |
| 13 | Merck Wholesale trade | €26.6m | €42.6m | €21.1m | 57.1 | 2025 |
| 14 | Kinesso Belgium Activities of advertising, market research and public relations | €24.7m | €28.0m | €20.3m | 8.8 | 2025 |
| 15 | PHD Media Activities of advertising, market research and public relations | €18.8m | €39.4m | €1.43m | 22.8 | 2025 |
| 16 | OMD Activities of advertising, market research and public relations | €16.2m | €58.4m | 958,429 € | 20.8 | 2025 |
| 17 | DPS Group Belgium Computer programming, consultancy and related activities | €14.7m | €31.8m | €1.99m | 97.4 | 2024 |
| 18 | Domeinen EN Gebouwen-Domaines ET Constructions Real estate activities | €14.7m | — | €9.95m | — | 2025 |
| 19 | Orion Capital Belgium Activities of advertising, market research and public relations | €12.4m | €8.86m | €7.69m | 1.0 | 2025 |
| 20 | Upjohn Manufacture of basic pharmaceutical products and pharmaceutical preparations | €12.3m | — | €12.1m | — | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Based elsewhere, present in Hoeilaart
156 companies with their registered office in another municipality operate at least one establishment in Hoeilaart (shop, branch, depot…). The largest, by balance sheet total:
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | bpost 1000 Brussels | €4.27bn | €2.19bn | €657.6m | 23,730.2 | 2025 |
| 2 | Maes Retail 2880 Bornem | €351.4m | €455.8m | €25.6m | 29.6 | 2025 |
| 3 | Multipharma 1070 Anderlecht | €274.3m | €580.8m | €128.1m | 1,522.8 | 2025 |
| 4 | Buurtwinkels Okay 1500 Halle | €190.1m | €1.02bn | €26.9m | 2,903.0 | 2026 |
| 5 | PROMAN Agilitas 2800 Mechelen | €138.7m | €280.8m | €56.8m | 4,140.2 | 2025 |
| 6 | Mathimmo 1410 Waterloo | €93.0m | 684,453 € | €22.1m | 2.2 | 2025 |
| 7 | Spacebel 4031 Liège | €39.6m | €8.45m | €8.80m | 56.3 | 2025 |
| 8 | Katholieke Scholen Druivenstreek 3090 Overijse | €28.7m | €1.62m | €19.2m | 22.4 | 2025 |
| 9 | Pharmacies Servais 1300 Wavre | €28.6m | €52.2m | €7.89m | 139.7 | 2025 |
| 10 | Natuurinvest 1000 Brussels | €23.6m | €7.32m | €17.7m | 79.7 | 2024 |
| 11 | Le Repos 1410 Waterloo | €20.2m | — | €6.33m | 1.4 | 2025 |
| 12 | Aquila Holdings 3090 Overijse | €15.1m | — | €10.3m | — | 2025 |
| 13 | B.F.S 1150 Woluwe-Saint-Pierre | €10.6m | €12.1m | €2.47m | 56.5 | 2025 |
| 14 | Sporen 3001 Leuven | €9.88m | 16,461 € | €6.21m | 113.5 | 2025 |
| 15 | Morel Opticiens 7500 Tournai | €9.07m | — | €4.66m | 26.6 | 2025 |
| 16 | Hana Group Belgique 1070 Anderlecht | €7.73m | €31.2m | 264,817 € | 242.9 | 2025 |
| 17 | IT Ventures 1853 Grimbergen | €7.03m | 245,000 € | €2.59m | — | 2025 |
| 18 | Nestin 1050 Ixelles | €3.54m | — | €1.42m | — | 2026 |
| 19 | 3Wplus Werk 1730 Asse | €3.39m | — | €1.63m | 56.8 | 2025 |
| 20 | AU Flan Breton 3080 Tervuren | €3.17m | — | 997,346 € | 32.6 | 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 Hoeilaart?
673 companies that have filed annual accounts are registered at postcode 1560 (Hoeilaart).
What are the main sectors in Hoeilaart?
By number of companies: Activities of head offices and management consultancy (113), Human health activities (69), Computer programming, consultancy and related activities (50).
What is the largest company in Hoeilaart?
By total assets, it is Viatris International Supply Point (€3.12bn, financial year 2025).
How many jobs do companies in Hoeilaart report?
Companies registered in Hoeilaart together report 1,303 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 05 Nov 2026.