Companies in 5650 Walcourt (Castillon, Chastrès, Clermont, …)
313 companies that have filed annual accounts are registered in 5650 Walcourt (Castillon, Chastrès, Clermont, …). Postcode 5650 covers: Castillon, Chastrès, Clermont, Fontenelle, Fraire, Pry, Vogenée, Walcourt, Yves-Gomezée.
Largest companies in Namur province → · Largest employers in Namur province →
Main sectors in Walcourt (Castillon, Chastrès, Clermont, …)
Largest companies in Walcourt (Castillon, Chastrès, Clermont, …)
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 | Skylane Optics Wholesale trade | €18.8m | €12.3m | €16.1m | 19.1 | 2025 |
| 2 | Carrières LES Petons Other mining and quarrying | €17.4m | €9.94m | €2.66m | 33.5 | 2025 |
| 3 | Halo Technology Bidco Financial service activities, except insurance and pension funding | €14.5m | 0 € | €14.4m | — | 2025 |
| 4 | Projidev Activities of advertising, market research and public relations | €8.62m | — | €7.90m | — | 2025 |
| 5 | MAT & Cie Legal and accounting activities | €5.19m | — | €2.63m | — | 2025 |
| 6 | E-S-TEL Wholesale trade | €4.82m | — | €3.04m | 1.8 | 2025 |
| 7 | L'AMI DU Bricoleur Retail trade | €3.82m | — | 726,010 € | 9.1 | 2025 |
| 8 | Belgeonne Design Construction of residential and non-residential buildings | €3.74m | — | 160,170 € | 8.0 | 2025 |
| 9 | Gilles Clermont Manufacture of machinery and equipment n.e.c. | €3.49m | — | €3.39m | 4.1 | 2025 |
| 10 | BioPharma Management and Consulting Office administrative, office support and other business support activities | €3.16m | — | 18,600 € | — | 2025 |
| 11 | MAT Unity Financial service activities, except insurance and pension funding | €3.16m | — | €3.16m | — | 2025 |
| 12 | Muphi Real estate activities | €2.65m | — | €1.11m | 1.0 | 2025 |
| 13 | Management Account TAX Partners Legal and accounting activities | €2.53m | — | €1.39m | — | 2025 |
| 14 | Pcpb Immo Activities auxiliary to financial services and insurance activities | €2.32m | — | 186,145 € | — | 2025 |
| 15 | Terramax Specialised construction activities | €2.26m | — | €1.37m | — | 2025 |
| 16 | VB Invest Real estate activities | €2.13m | — | 4,962 € | 6.8 | 2024 |
| 17 | Terrabel Crop and animal production, hunting and related service activities | €2.11m | — | €1.50m | — | 2025 |
| 18 | Ernagri Crop and animal production, hunting and related service activities | €1.70m | — | 649,961 € | 1.0 | 2025 |
| 19 | Immobiliere Saint Roch Real estate activities | €1.65m | — | €1.11m | — | 2025 |
| 20 | TB Sport Retail trade | €1.51m | — | 552,652 € | 2.0 | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Based elsewhere, present in Walcourt (Castillon, Chastrès, Clermont, …)
81 companies with their registered office in another municipality operate at least one establishment in Walcourt (Castillon, Chastrès, Clermont, …) (shop, branch, depot…). The largest, by balance sheet total:
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Infrabel 1060 Saint-Gilles | €25.7bn | €1.43bn | €20.2bn | — | 2025 |
| 2 | Société Nationale DES Chemins DE FER Belges 1060 Saint-Gilles | €13.1bn | €2.62bn | €8.05bn | — | 2025 |
| 3 | bpost 1000 Brussels | €4.27bn | €2.19bn | €657.6m | 23,730.2 | 2025 |
| 4 | Colruyt Food Retail 1500 Halle | €3.05bn | €8.05bn | €786.2m | 16,584.4 | 2026 |
| 5 | Maes Retail 2880 Bornem | €351.4m | €455.8m | €25.6m | 29.6 | 2025 |
| 6 | Spie Belgium 1070 Anderlecht | €274.7m | €375.6m | €60.8m | 1,375.4 | 2025 |
| 7 | Multipharma 1070 Anderlecht | €274.3m | €580.8m | €128.1m | 1,522.8 | 2025 |
| 8 | Walagri 5140 Sombreffe | €145.2m | €194.9m | €70.4m | 144.6 | 2025 |
| 9 | Aldi 5032 Gembloux | €133.3m | €613.8m | €15.4m | 1,173.1 | 2025 |
| 10 | BENU 1300 Wavre | €84.1m | €172.2m | €43.1m | 370.2 | 2026 |
| 11 | Société intercommunale BEP-Environnement 5000 Namur | €80.9m | €25.7m | €37.6m | 323.6 | 2025 |
| 12 | Quality Meat Renmans 7030 Mons | €74.9m | €293.0m | €21.6m | 1,822.2 | 2025 |
| 13 | ETS E. Ronveaux 5590 Ciney | €45.8m | €76.5m | €8.41m | 454.3 | 2025 |
| 14 | Umami Catering 3600 Genk | €38.6m | €53.4m | €27.1m | 155.7 | 2025 |
| 15 | Moore Services Financiers 1410 Waterloo | €32.3m | €14.4m | €6.16m | 80.5 | 2025 |
| 16 | Solidaris Santé de la Province de Namur - Reseau Solidaris 5002 Namur | €14.1m | — | €13.9m | 6.4 | 2025 |
| 17 | Societe Intercommunale DES Modes D'Accueil DES Jeunes Enfants 5380 Fernelmont | €13.1m | €7.33m | €6.69m | 596.7 | 2025 |
| 18 | Agri-Activ 5520 Onhaye | €10.4m | €9.46m | €6.04m | 23.8 | 2025 |
| 19 | Les Instituts Notre-Dame de Philippeville 5600 Philippeville | €8.93m | 864,748 € | €5.42m | 17.6 | 2025 |
| 20 | Moré & Associés 5004 Namur | €8.06m | — | €3.92m | 43.6 | 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
- 5651 Walcourt (Berzée, Gourdinne, Laneffe, …)394
- 5630 Cerfontaine (Daussois, Senzeille, Silenrieux, …)141
- 6120 Ham-sur-Heure-Nalinnes (Cour-Sur-Heure, Ham-Sur-Heure, Jamioulx, …)775
- 6536 Thuin (Donstiennes, Thuillies)88
- 6511 Beaumont (Strée)42
- 6440 Froidchapelle (Boussu-Lez-Walcourt, Fourbechies, Vergnies)112
- 6534 Thuin (Gozée)200
- 6531 Thuin (Biesme-Sous-Thuin)30
Frequently asked questions
How many companies are registered in Walcourt (Castillon, Chastrès, Clermont, …)?
313 companies that have filed annual accounts are registered at postcode 5650 (Walcourt (Castillon, Chastrès, Clermont, …)).
What are the main sectors in Walcourt (Castillon, Chastrès, Clermont, …)?
By number of companies: Specialised construction activities (48), Human health activities (31), Retail trade (26).
What is the largest company in Walcourt (Castillon, Chastrès, Clermont, …)?
By total assets, it is Skylane Optics (€18.8m, financial year 2025).
How many jobs do companies in Walcourt (Castillon, Chastrès, Clermont, …) report?
Companies registered in Walcourt (Castillon, Chastrès, Clermont, …) together report 437 full-time equivalents in their latest accounts. These jobs may be located outside the municipality.
Analyse companies in Walcourt (Castillon, Chastrès, Clermont, …)
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 11 Nov 2026.