Specialised construction activities: highest revenue in Brussels
As of 12 Nov 2026, 598 companies in Specialised construction activities (NACE 43) in Brussels publish their revenue in recent accounts (financial years 2023 to 2026). The top 10 account for €718.6m, out of €1.29bn for all of them; median revenue is 254,036 €. Imtech Belgium OU en Francais Imtech Belgique OU en Neerlandais Imtech Belgie leads with €192.3m (financial year 2025).
Top 50 · Specialised construction activities · Brussels
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Imtech Belgium OU en Francais Imtech Belgique OU en Neerlandais Imtech Belgie 1070 Anderlecht | €99.2m | €192.3m | €37.5m | 568.2 | 2025 |
| 2 | VINCI Facilities Belgium 1000 Brussels | €61.4m | €94.6m | €10.1m | 458.4 | 2025 |
| 3 | Electrotechnique et Mecanique Putman Freres 1070 Anderlecht | €58.8m | €82.3m | €20.5m | 333.7 | 2025 |
| 4 | Cegelec Electrical Solutions 1130 Brussels | €70.1m | €73.9m | €15.2m | 237.9 | 2025 |
| 5 | Cegelec Industry 1130 Brussels | €27.7m | €71.4m | €5.85m | 394.3 | 2025 |
| 6 | TK Elevator Belgium 1130 Brussels | €61.7m | €59.1m | €15.7m | 280.9 | 2025 |
| 7 | Ilonato 1130 Brussels | €40.0m | €47.5m | €6.34m | 45.8 | 2025 |
| 8 | Technical Equipment Maintenance-Technilift 1210 Saint-Josse-ten-Noode | €36.9m | €42.2m | €8.96m | 266.8 | 2025 |
| 9 | TROX Belgium 1070 Anderlecht | €9.37m | €27.9m | €1.39m | 44.5 | 2024 |
| 10 | G4S Security Systems 1000 Brussels | €24.3m | €27.5m | €11.5m | 112.8 | 2025 |
| 11 | Vimar 1030 Schaerbeek | €12.1m | €26.7m | €6.24m | 49.4 | 2025 |
| 12 | D’Ieteren Energy 1050 Ixelles | €19.7m | €26.2m | €4.29m | 26.0 | 2025 |
| 13 | ISB Building Technics 1210 Saint-Josse-ten-Noode | €13.2m | €25.3m | €2.73m | 87.8 | 2025 |
| 14 | Weishaupt 1070 Anderlecht | €13.3m | €22.3m | €7.63m | 76.0 | 2025 |
| 15 | Les Entreprises Esmer 1190 Forest | €10.5m | €21.0m | €4.13m | 84.3 | 2025 |
| 16 | Setip-Gcube 1083 Ganshoren | €9.76m | €20.3m | €3.37m | 58.2 | 2025 |
| 17 | ABI-C.V.R. 1130 Brussels | €8.34m | €19.3m | €2.96m | 13.1 | 2025 |
| 18 | Cegelec Fire Solutions 1130 Brussels | €10.8m | €19.2m | €2.45m | 69.0 | 2025 |
| 19 | H&MV Engineering Belgium 1000 Brussels | €6.67m | €19.2m | 307,296 € | 1.7 | 2025 |
| 20 | Fontec 1170 Watermael-Boitsfort | €6.92m | €15.9m | €1.57m | 19.6 | 2025 |
| 21 | Relaitron 1070 Anderlecht | €6.99m | €15.1m | €1.32m | 88.8 | 2024 |
| 22 | Laminated Timber Solutions 1160 Auderghem | 753,647 € | €13.1m | −€5.98m | 17.9 | 2025 |
| 23 | KDB Belgium 1000 Brussels | €9.90m | €12.1m | €3.87m | 32.8 | 2025 |
| 24 | Alloson 1140 Evere | €4.28m | €9.82m | 985,597 € | 75.6 | 2025 |
| 25 | Bluebridge Technics 1000 Brussels | €3.97m | €9.73m | 375,150 € | 36.2 | 2025 |
| 26 | Dexion 1020 Brussels | €2.97m | €7.84m | €1.45m | 11.1 | 2025 |
| 27 | Entreprises Miot 1130 Brussels | €6.27m | €7.45m | 884,103 € | 17.1 | 2025 |
| 28 | Go-Solar 1050 Ixelles | €31.5m | €6.52m | €30.4m | 23.2 | 2025 |
| 29 | D.S. Technics 1070 Anderlecht | €4.11m | €5.41m | 456,846 € | 20.8 | 2025 |
| 30 | TramContractors 1000 Brussels | €90.3m | €4.64m | €4.35m | — | 2025 |
| 31 | Maintainability & Availability without Hazards of Infrastructures 1050 Ixelles | 867,178 € | €4.47m | 123,599 € | 5.4 | 2025 |
| 32 | Speed Travaux 1080 Molenbeek-Saint-Jean | €1.07m | €4.20m | 77,610 € | 2.7 | 2025 |
| 33 | New Technique 1070 Anderlecht | €2.40m | €3.79m | 561,871 € | — | 2025 |
| 34 | Gevele 1050 Ixelles | €13.4m | €3.69m | €6.74m | 2.0 | 2025 |
| 35 | Linea Ceramica 1070 Anderlecht | €2.31m | €3.45m | €1.79m | — | 2025 |
| 36 | MENA 1030 Schaerbeek | €2.05m | €3.39m | 189,099 € | — | 2025 |
| 37 | Tuna Group 1030 Schaerbeek | 580,689 € | €3.24m | 279,252 € | — | 2025 |
| 38 | N & T. Services 1030 Schaerbeek | €2.08m | €3.23m | €1.11m | 7.7 | 2024 |
| 39 | Societe de Gestion de la Cite Administrative de l'Etat A Bruxelles 1000 Brussels | €1.17m | €3.15m | 713,781 € | 22.4 | 2025 |
| 40 | Electrotechnique et Mecanique de Tertre 1070 Anderlecht | €2.31m | €3.03m | 798,702 € | 20.3 | 2025 |
| 41 | Airport Global Services 1210 Saint-Josse-ten-Noode | 661,436 € | €3.01m | 17,893 € | 23.3 | 2025 |
| 42 | Vandeco Construct 1080 Molenbeek-Saint-Jean | €1.28m | €2.83m | 760,940 € | — | 2025 |
| 43 | City Facade 1040 Etterbeek | €4.45m | €2.66m | €1.52m | — | 2025 |
| 44 | Agence Immobiliere Sociale Everoise Hector Denis - Evers Sociaal Woningbureau Hector Denis 1140 Evere | €1.29m | €2.61m | 163,940 € | 8.8 | 2025 |
| 45 | Hade Concept 1030 Schaerbeek | €1.11m | €2.53m | 457,657 € | 3.0 | 2025 |
| 46 | MR Rénovations 1180 Uccle | 339,626 € | €2.52m | 258,372 € | — | 2025 |
| 47 | MR Company 1070 Anderlecht | 596,624 € | €2.52m | 217,273 € | 4.0 | 2025 |
| 48 | B.B.V. Group 1140 Evere | €1.23m | €2.44m | 681,379 € | 10.1 | 2025 |
| 49 | Rimann 1070 Anderlecht | €7.67m | €2.32m | €2.40m | — | 2024 |
| 50 | GM Renovations 1070 Anderlecht | 257,735 € | €2.23m | 92,353 € | — | 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. These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
Specialised construction activities across Belgium → All sectors · Brussels →
Other sectors · Brussels
- 10 Manufacture of food products56
- 18 Printing and reproduction of recorded media25
- 20 Manufacture of chemicals and chemical products27
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations19
- 25 Manufacture of fabricated metal products, except machinery and equipment38
- 26 Manufacture of computer, electronic and optical products13
- 27 Manufacture of electrical equipment16
- 28 Manufacture of machinery and equipment n.e.c.11
- 32 Other manufacturing18
- 33 Repair, maintenance and installation of machinery and equipment21
- 35 Electricity, gas, steam and air conditioning supply49
- 38 Waste collection, recovery and disposal activities20
- 41 Construction of residential and non-residential buildings243
- 42 Civil engineering35
- 46 Wholesale trade732
- 47 Retail trade1,130
- 49 Land transport and transport via pipelines455
- 52 Warehousing, storage and support activities for transportation58
- 53 Postal and courier activities33
- 55 Accommodation69
- 56 Food and beverage service activities526
- 58 Publishing activities52
- 59 Motion picture, video and television programme production, sound recording and music publishing activities93
- 60 Programming, broadcasting, news agency and other content distribution activities12
- 61 Telecommunication33
- 62 Computer programming, consultancy and related activities338
- 63 Computing infrastructure, data processing, hosting and other information service activities43
- 64 Financial service activities, except insurance and pension funding274
- 66 Activities auxiliary to financial services and insurance activities97
- 68 Real estate activities722
- 69 Legal and accounting activities184
- 70 Activities of head offices and management consultancy485
- 71 Architectural and engineering activities; technical testing and analysis136
- 72 Scientific research and development27
- 73 Activities of advertising, market research and public relations163
- 74 Other professional, scientific and technical activities48
- 77 Rental and leasing activities43
- 78 Employment activities36
- 79 Travel agency, tour operator and other reservation service and related activities30
- 80 Investigation and security activities17
- 81 Services to buildings and landscape activities143
- 82 Office administrative, office support and other business support activities181
- 84 Public administration and defence; compulsory social security27
- 85 Education187
- 86 Human health activities259
- 87 Residential care activities100
- 88 Social work activities without accommodation156
- 90 Arts creation and performing arts activities84
- 92 Gambling and betting activities15
- 93 Sports activities and amusement and recreation activities77
- 94 Activities of membership organisations216
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles65
- 96 Personal service activities183
Municipalities with the most companies in the sector · Brussels
Frequently asked questions
Which company in Specialised construction activities in Brussels has the highest revenue?
Imtech Belgium OU en Francais Imtech Belgique OU en Neerlandais Imtech Belgie, with €192.3m of published revenue (financial year 2025).
Why are some companies missing?
Small companies (micro and abridged accounts) do not have to publish their revenue: only the 598 that publish it, out of 4,562 companies in the sector in the area, are ranked.
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.
Analyse companies · Brussels
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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.