Companies in 3090 Overijse
2,006 companies that have filed annual accounts are registered in 3090 Overijse.
Largest companies in Flemish Brabant → · Largest employers in Flemish Brabant →
Main sectors in Overijse
Largest companies in Overijse
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 | Bergerat Monnoyeur Wholesale trade | €195.8m | €210.9m | €23.2m | 404.9 | 2025 |
| 2 | Ariozo Group Holding Financial service activities, except insurance and pension funding | €138.7m | €4.83m | €132.9m | — | 2025 |
| 3 | Munt Dental Financial service activities, except insurance and pension funding | €99.3m | €8.05m | −€1.30m | 25.1 | 2025 |
| 4 | Guichaphi Financial service activities, except insurance and pension funding | €75.0m | — | €68.3m | — | 2025 |
| 5 | Mint Tandartsen Human health activities | €59.1m | €27.2m | −€11.5m | 18.6 | 2025 |
| 6 | Line - Management Computer programming, consultancy and related activities | €56.5m | — | €48.1m | — | 2025 |
| 7 | Atlas Copco Belgium Wholesale trade | €41.1m | €84.6m | €7.40m | 192.5 | 2025 |
| 8 | Boels Verhuur Rental and leasing activities | €34.9m | €84.5m | €9.17m | 389.5 | 2025 |
| 9 | BIA Wholesale trade | €30.4m | €83.3m | −€1.32m | 69.1 | 2025 |
| 10 | Katholieke Scholen Druivenstreek Education | €28.7m | €1.62m | €19.2m | 22.4 | 2025 |
| 11 | Laguito 1492 Wholesale trade | €26.6m | €48.0m | €13.8m | 21.3 | 2024 |
| 12 | BIA Group Activities of head offices and management consultancy | €26.4m | €10.6m | €2.22m | 27.1 | 2025 |
| 13 | Patrimmonia Real Estate Activities of head offices and management consultancy | €16.7m | — | €5.99m | — | 2025 |
| 14 | CDM Stravitec Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials | €16.6m | €12.8m | €4.48m | 43.9 | 2025 |
| 15 | Star Dental Human health activities | €15.7m | — | €6.48m | — | 2025 |
| 16 | Asterisk Dental Human health activities | €15.6m | — | −€1.45m | — | 2025 |
| 17 | Aquila Holdings Financial service activities, except insurance and pension funding | €15.1m | — | €10.3m | — | 2025 |
| 18 | De Kerselaar Residential care activities | €15.0m | €1.05m | €9.16m | 66.2 | 2025 |
| 19 | Aristos Invest Financial service activities, except insurance and pension funding | €12.5m | — | €5.05m | 0.5 | 2025 |
| 20 | Batour Financial service activities, except insurance and pension funding | €12.2m | — | 178,829 € | 1.0 | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Based elsewhere, present in Overijse
487 companies with their registered office in another municipality operate at least one establishment in Overijse (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 | Vlaamse Vervoermaatschappij - De Lijn 2800 Mechelen | €3.09bn | €1.42bn | €2.25bn | 7,637.1 | 2025 |
| 3 | Colruyt Food Retail 1500 Halle | €3.05bn | €8.05bn | €786.2m | 16,584.4 | 2026 |
| 4 | Holcim (Belgique) - Holcim (Belgie) 1401 Nivelles | €442.4m | €305.5m | €122.0m | 635.3 | 2025 |
| 5 | Multipharma 1070 Anderlecht | €274.3m | €580.8m | €128.1m | 1,522.8 | 2025 |
| 6 | Basic-FIT Belgium 1090 Jette | €203.3m | €229.2m | €46.6m | 649.8 | 2025 |
| 7 | Dats 24 1500 Halle | €190.2m | €887.5m | €93.9m | 70.6 | 2025 |
| 8 | Shurgard Belgium 1731 Asse | €183.0m | €29.4m | €160.1m | 36.1 | 2025 |
| 9 | VAN Marcke 8511 Kortrijk | €176.8m | €330.3m | €6.49m | 637.9 | 2025 |
| 10 | MEDI-MARKET Parapharmacies 1140 Evere | €171.3m | €326.6m | €11.5m | 319.1 | 2025 |
| 11 | i-mens 9052 Ghent | €162.0m | €106.0m | €69.2m | 7,157.8 | 2025 |
| 12 | Krëfel 1851 Grimbergen | €145.8m | €451.9m | −€14.8m | 1,100.3 | 2025 |
| 13 | Standaard Boekhandel 9100 Sint-Niklaas | €131.1m | €182.6m | €75.4m | 202.0 | 2025 |
| 14 | Mediatic + 3730 Bilzen-Hoeselt | €103.8m | 480,000 € | €41.4m | 78.1 | 2025 |
| 15 | ALDI 1804 Zemst | €95.7m | €545.9m | €13.5m | 1,105.8 | 2025 |
| 16 | C&A Belgique 2850 Boom | €91.7m | €259.4m | €42.0m | 987.2 | 2026 |
| 17 | Adecco Personnel Services 1702 Dilbeek | €89.7m | €426.8m | €24.4m | 8,440.0 | 2025 |
| 18 | Management Competence Center 3730 Bilzen-Hoeselt | €84.6m | €2.56m | €14.9m | 183.2 | 2025 |
| 19 | Emeis Vlaanderen 1180 Uccle | €83.6m | €108.0m | −€6.84m | 1,151.5 | 2025 |
| 20 | Quality Meat Renmans 7030 Mons | €74.9m | €293.0m | €21.6m | 1,822.2 | 2025 |
Establishments: establishment units declared in the Crossroads Bank for Enterprises (CBE). Each company’s registered office is shown under its name.
Nearby municipalities
Frequently asked questions
How many companies are registered in Overijse?
2,006 companies that have filed annual accounts are registered at postcode 3090 (Overijse).
What are the main sectors in Overijse?
By number of companies: Activities of head offices and management consultancy (340), Specialised construction activities (166), Computer programming, consultancy and related activities (155).
What is the largest company in Overijse?
By total assets, it is Bergerat Monnoyeur (€195.8m, financial year 2025).
How many jobs do companies in Overijse report?
Companies registered in Overijse together report 2,724 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 22 Oct 2026.