Ranking · Brussels · NACE 41
Construction of residential and non-residential buildings: the largest companies in Brussels
As of 14 Nov 2026, 1,543 companies in Construction of residential and non-residential buildings (NACE 41) in Brussels publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €3.01bn, out of €4.69bn for all of them; median total assets are 160,554 €. N.V. Besix S.A. leads with €1.04bn (financial year 2025).
Top 50 · Construction of residential and non-residential buildings · Brussels
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 | N.V. Besix S.A. 1200 Woluwe-Saint-Lambert | €1.04bn | €1.15bn | €258.7m | 808.8 | 2025 |
| 2 | Société de Développement pour la Région de Bruxelles-Capitale 1000 Brussels | €663.7m | €34.1m | €602.0m | 146.5 | 2025 |
| 3 | Compagnie d'Entreprises CFE 1160 Auderghem | €417.5m | €2.56m | €135.6m | 54.2 | 2025 |
| 4 | Stadsbader Contractors 1120 Brussels | €224.4m | €393.6m | €56.0m | 452.2 | 2025 |
| 5 | CIT Blaton 1030 Schaerbeek | €186.9m | €303.0m | €61.3m | 334.9 | 2025 |
| 6 | BPC Group 1160 Auderghem | €148.0m | €209.2m | €19.3m | 301.0 | 2025 |
| 7 | Poort van Dendermonde 1000 Brussels | €128.3m | €10.8m | 941,054 € | — | 2025 |
| 8 | Hangar M 1000 Brussels | €75.5m | — | €8.67m | — | 2025 |
| 9 | Mace International Construction (Belgium) BV 1000 Brussels | €70.3m | — | −€64.1m | — | 2025 |
| 10 | Valens 1160 Auderghem | €63.8m | €95.9m | €9.63m | 186.9 | 2025 |
| 11 | L'Hourgnette 1160 Auderghem | €58.3m | €6.62m | €2.99m | — | 2025 |
| 12 | Sequentia Invest 1210 Saint-Josse-ten-Noode | €55.9m | €2.04m | €17.5m | 1.9 | 2026 |
| 13 | Aedifica Invest 1040 Etterbeek | €52.7m | — | €1.54m | — | 2025 |
| 14 | Louis de Waele Construction 1170 Watermael-Boitsfort | €51.8m | €128.5m | €10.4m | 217.0 | 2025 |
| 15 | AWT Gent 1000 Brussels | €43.8m | €17.0m | €1.97m | — | 2025 |
| 16 | Espevelo2 1000 Brussels | €42.5m | 0 € | €3.49m | — | 2025 |
| 17 | IG Belgium 1000 Brussels | €41.9m | — | €16.5m | 1.0 | 2025 |
| 18 | Entreprises Jacques Delens 1200 Woluwe-Saint-Lambert | €39.2m | €49.9m | €8.54m | 140.9 | 2025 |
| 19 | Tetris Design & Build 1000 Brussels | €38.7m | €14.0m | €33.7m | 13.4 | 2025 |
| 20 | Bailli Properties 1050 Ixelles | €37.3m | — | €14.3m | — | 2026 |
| 21 | In Advance 1130 Brussels | €35.9m | €62.3m | €12.0m | 119.0 | 2025 |
| 22 | Herpain Entreprise 1180 Uccle | €34.9m | €86.1m | €2.21m | 83.7 | 2025 |
| 23 | Maisons Compere Woningen Compere 1180 Uccle | €34.4m | €56.0m | €12.7m | 66.8 | 2025 |
| 24 | Argos Project Management 1000 Brussels | €31.2m | — | €7.60m | 5.6 | 2026 |
| 25 | Espevelo3 1000 Brussels | €26.8m | — | €2.83m | — | 2025 |
| 26 | Compagnie de Promotion Liegeoise 1000 Brussels | €25.8m | — | €18.7m | — | 2025 |
| 27 | Socatra 1030 Schaerbeek | €25.3m | €58.2m | €4.50m | 147.6 | 2025 |
| 28 | Happy Generation Property 1040 Etterbeek | €23.4m | — | €3.74m | — | 2025 |
| 29 | Indimmo Belux 1050 Ixelles | €22.6m | — | €12.0m | — | 2025 |
| 30 | Beyaert 1000 Brussels | €21.8m | — | −€2.41m | — | 2025 |
| 31 | L.V.G. -Invest 1180 Uccle | €21.2m | — | €3.62m | — | 2025 |
| 32 | Le Sorinia 1140 Evere | €19.6m | — | €4.42m | — | 2025 |
| 33 | Gillion Construct 1190 Forest | €19.5m | €34.2m | 410,790 € | 97.0 | 2025 |
| 34 | Entreprises Jazy 1030 Schaerbeek | €17.2m | — | €2.60m | 7.6 | 2025 |
| 35 | Lummen 1180 Uccle | €16.6m | — | 51,162 € | — | 2025 |
| 36 | Botimmo 1170 Watermael-Boitsfort | €15.1m | — | 695,927 € | — | 2025 |
| 37 | Entreprises Générales E. DE KEMPENEER - Algemene Ondernemingen E. DE KEMPENEER 1030 Schaerbeek | €13.9m | €3.73m | €6.59m | 12.3 | 2024 |
| 38 | AdC 100 BELGIUM 1050 Ixelles | €13.6m | — | −279,534 € | — | 2024 |
| 39 | Balcaen Entreprises Générales 1030 Schaerbeek | €13.3m | €27.0m | €5.74m | 44.8 | 2025 |
| 40 | Erasmus Gardens 1160 Auderghem | €13.1m | — | €4.70m | — | 2025 |
| 41 | Meuse Office 4 1050 Ixelles | €12.2m | — | −€3.39m | — | 2025 |
| 42 | Triomphe 172 1180 Uccle | €12.0m | — | −€3.32m | — | 2025 |
| 43 | Nautea 1060 Saint-Gilles | €10.5m | — | −255,409 € | — | 2025 |
| 44 | Victor Spaak 1160 Auderghem | €9.90m | — | 528,217 € | — | 2025 |
| 45 | Sportcomplex Heist-op-den-Berg 1080 Molenbeek-Saint-Jean | €8.43m | 330,486 € | €8.10m | — | 2025 |
| 46 | Baobab Real Estate 1000 Brussels | €8.26m | — | 225,295 € | 5.2 | 2025 |
| 47 | NYC Facade 1020 Brussels | €7.82m | — | 553,860 € | — | 2025 |
| 48 | FWProjects 1000 Brussels | €7.73m | — | 232,291 € | — | 2025 |
| 49 | Draft 1180 Uccle | €7.47m | — | €1.63m | — | 2025 |
| 50 | Gamma Immobiliere 1030 Schaerbeek | €7.11m | — | 447,460 € | — | 2025 |
Ranking based on each company's own annual accounts (statutory, not consolidated): a subsidiary and its parent appear separately, and the ranking differs from lists based on consolidated group accounts.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Construction of residential and non-residential buildings across Belgium → All sectors · Brussels →
Other sectors · Brussels
- 01 Crop and animal production, hunting and related service activities121
- 02 Forestry and logging47
- 09 Mining support service activities12
- 10 Manufacture of food products515
- 11 Manufacture of beverages48
- 13 Manufacture of textiles65
- 14 Manufacture of wearing apparel101
- 15 Manufacture of leather and related products of other materials15
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials91
- 17 Manufacture of paper and paper products24
- 18 Printing and reproduction of recorded media269
- 20 Manufacture of chemicals and chemical products81
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations75
- 22 Manufacture of rubber and plastic products40
- 23 Manufacture of other non-metallic mineral products62
- 24 Manufacture of basic metals18
- 25 Manufacture of fabricated metal products, except machinery and equipment236
- 26 Manufacture of computer, electronic and optical products82
- 27 Manufacture of electrical equipment61
- 28 Manufacture of machinery and equipment n.e.c.62
- 29 Manufacture of motor vehicles, trailers and semi-trailers39
- 30 Manufacture of other transport equipment25
- 31 Manufacture of furniture85
- 32 Other manufacturing215
- 33 Repair, maintenance and installation of machinery and equipment187
- 35 Electricity, gas, steam and air conditioning supply145
- 36 Water collection, treatment and supply10
- 37 Sewerage24
- 38 Waste collection, recovery and disposal activities62
- 39 Remediation activities and other waste management service activities15
- 42 Civil engineering211
- 43 Specialised construction activities4,318
- 46 Wholesale trade4,424
- 47 Retail trade7,393
- 49 Land transport and transport via pipelines2,583
- 50 Water transport23
- 51 Air transport19
- 52 Warehousing, storage and support activities for transportation293
- 53 Postal and courier activities224
- 55 Accommodation465
- 56 Food and beverage service activities4,906
- 58 Publishing activities375
- 59 Motion picture, video and television programme production, sound recording and music publishing activities969
- 60 Programming, broadcasting, news agency and other content distribution activities81
- 61 Telecommunication180
- 62 Computer programming, consultancy and related activities4,697
- 63 Computing infrastructure, data processing, hosting and other information service activities466
- 64 Financial service activities, except insurance and pension funding2,600
- 65 Insurance, reinsurance and pension funding, except compulsory social security86
- 66 Activities auxiliary to financial services and insurance activities802
- 68 Real estate activities7,418
- 69 Legal and accounting activities4,485
- 70 Activities of head offices and management consultancy8,220
- 71 Architectural and engineering activities; technical testing and analysis1,857
- 72 Scientific research and development182
- 73 Activities of advertising, market research and public relations2,416
- 74 Other professional, scientific and technical activities796
- 75 Veterinary activities58
- 77 Rental and leasing activities307
- 78 Employment activities262
- 79 Travel agency, tour operator and other reservation service and related activities212
- 80 Investigation and security activities72
- 81 Services to buildings and landscape activities1,009
- 82 Office administrative, office support and other business support activities1,707
- 84 Public administration and defence; compulsory social security69
- 85 Education817
- 86 Human health activities4,965
- 87 Residential care activities243
- 88 Social work activities without accommodation479
- 90 Arts creation and performing arts activities674
- 91 Libraries, archives, museums and other cultural activities38
- 92 Gambling and betting activities75
- 93 Sports activities and amusement and recreation activities483
- 94 Activities of membership organisations894
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles512
- 96 Personal service activities1,443
Municipalities with the most companies in the sector · Brussels
Frequently asked questions
Which is the largest company in Construction of residential and non-residential buildings in Brussels?
By total assets, it is N.V. Besix S.A. (€1.04bn, financial year 2025).
How many companies in Construction of residential and non-residential buildings in Brussels are ranked?
1,543 out of 1,657 active companies in the sector with their registered office in the area: those whose latest accounts are less than 3 years old.
Why does this ranking differ from other lists?
It uses each company's annual accounts as filed with the National Bank, not consolidated group accounts. A holding, a subsidiary or a purchasing entity can therefore appear separately. Only companies whose latest accounts are less than 3 years old are ranked.
Idonis
Analyse companies · Brussels
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
Open the full file →Free account in 30 seconds, by email. No bank card.
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 14 Nov 2026.