Companies in 1421 Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)
336 companies that have filed annual accounts are registered in 1421 Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac).
Largest companies in Walloon Brabant → Largest employers in Walloon Brabant →
Main sectors in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)
Largest companies in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)
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 | Immobilière du Brabant Real estate activities | €71.5m | — | €48.0m | 18.1 | 2025 |
| 2 | Upsilon Consult Office administrative, office support and other business support activities | €28.8m | — | €28.8m | — | 2025 |
| 3 | Pardel Real estate activities | €15.4m | — | €1.99m | — | 2025 |
| 4 | Bois Saint Jean Activities of head offices and management consultancy | €9.16m | — | €2.41m | — | 2025 |
| 5 | Notre Village Solutions Office administrative, office support and other business support activities | €8.55m | — | €7.19m | — | 2025 |
| 6 | Global Renewable Energy Mass Adoption Program Activities of membership organisations | €8.41m | — | €6.06m | — | 2025 |
| 7 | Agifra Activities auxiliary to financial services and insurance activities | €8.29m | — | €4.33m | 12.2 | 2025 |
| 8 | Notre Village, accueil résidentiel et de jour, asbl Manufacture of food products | €7.05m | 226,154 € | 426,212 € | 214.6 | 2025 |
| 9 | Renaissance Residential care activities | €6.01m | — | €5.24m | 20.5 | 2025 |
| 10 | Brussels Campus Real estate activities | €5.80m | — | €1.50m | — | 2025 |
| 11 | Simen Financial service activities, except insurance and pension funding | €3.81m | — | €3.03m | — | 2025 |
| 12 | Bakenbos | €3.64m | — | €3.61m | — | 2025 |
| 13 | Dimensions Nouvelles Real estate activities | €3.60m | — | €2.18m | — | 2025 |
| 14 | Frédéric LEPOUTRE Accounting Legal and accounting activities | €3.23m | — | €3.08m | 0.2 | 2025 |
| 15 | MG Management Consulting Activities of head offices and management consultancy | €3.19m | — | 52,077 € | 1.0 | 2025 |
| 16 | Floribois Real estate activities | €2.83m | — | €2.31m | — | 2025 |
| 17 | Docteur Emmanuel van Acker Human health activities | €2.75m | — | €2.37m | 3.8 | 2025 |
| 18 | Loripom Crop and animal production, hunting and related service activities | €2.74m | — | 826,325 € | — | 2026 |
| 19 | ONE Services Office administrative, office support and other business support activities | €2.50m | — | 177,759 € | — | 2025 |
| 20 | Parma Retail Retail trade | €2.48m | — | −475,304 € | 6.1 | 2026 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
See all 336 companies, full list →
Based elsewhere, present in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)
45 companies with their registered office in another municipality operate at least one establishment in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac) (shop, branch, depot…). The largest, by balance sheet total:
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Intercommunale Sociale du Brabant wallon 1332 Rixensart | €4.13m | €1.87m | €2.27m | 225.3 | 2025 |
| 2 | MMJ inVest 1640 Sint-Genesius-Rode | €2.51m | — | 239,252 € | — | 2025 |
| 3 | Immobiliere et Patrimoine Paul Andre 1420 Braine-l'Alleud | €2.39m | — | €2.18m | — | 2025 |
| 4 | Association Sans BUT Lucratif le Traversier 1428 Braine-l'Alleud | €1.10m | — | 220,297 € | 25.0 | 2025 |
| 5 | Upsilon Technology & Consulting 1180 Uccle | 748,243 € | — | 392,702 € | 3.4 | 2025 |
| 6 | Numitax 1400 Nivelles | 613,901 € | — | 470,479 € | — | 2025 |
| 7 | Laurence LEPOUTRE 7742 Pecq | 595,386 € | — | 584,905 € | — | 2025 |
| 8 | Proxi Village N°1 1440 Braine-le-Château | 574,999 € | — | 574,152 € | — | 2025 |
| 9 | Inedit 1370 Jodoigne | 545,482 € | — | 268,773 € | — | 2024 |
| 10 | Declic - 101 S.A. 1310 La Hulpe | 525,378 € | — | −€1.35m | — | 2025 |
| 11 | Bist Immo 8620 Nieuwpoort | 494,640 € | — | 120,764 € | — | 2024 |
| 12 | Oser pour Etre 1120 Brussels | 425,458 € | — | 174,005 € | — | 2025 |
| 13 | Swalaa 1410 Waterloo | 413,150 € | — | 64,415 € | — | 2025 |
| 14 | AH Legal 1050 Brussels | 385,581 € | — | 145,407 € | — | 2025 |
| 15 | Sobaco 1400 Nivelles | 378,873 € | — | 365,160 € | — | 2026 |
| 16 | JS-del 1370 Jodoigne | 305,150 € | — | 92,722 € | — | 2023 |
| 17 | Gervais Partners 1380 Lasne | 266,075 € | — | 229,836 € | — | 2025 |
| 18 | Gestion Pierre Andre 1420 Braine-l'Alleud | 237,137 € | — | 182,180 € | — | 2025 |
| 19 | Vetepatureau 1420 Braine-l'Alleud | 185,615 € | — | 1,500 € | — | 2025 |
| 20 | Souty 1180 Uccle | 180,440 € | — | 58,830 € | 1.0 | 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 Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)?
336 companies that have filed annual accounts are registered at postcode 1421 (Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)).
What are the main sectors in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)?
By number of companies: Activities of head offices and management consultancy (51), Human health activities (36), Real estate activities (31).
What is the largest company in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)?
By total assets, it is Immobilière du Brabant (€71.5m, financial year 2025).
How many jobs do companies in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac) report?
Companies registered in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac) together report 507 full-time equivalents in their latest accounts. These jobs may be located outside the municipality.
Analyse companies in Braine-l'Alleud (Ophain-Bois-Seigneur-Isaac)
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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.