Construction of utility projects for electricity and telecommunications: highest published revenue
102 Belgian companies in the sector (NACE 4222) publish their revenue in recent accounts; here are the top 20. Spie Belgium leads with €375.6m (financial year 2025).
Top 20
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Spie Belgium 1070 Anderlecht | €274.7m | €375.6m | €60.8m | 1,375.4 | 2025 |
| 2 | BESIX Unitec 2627 Schelle | €126.2m | €180.6m | €29.2m | 546.5 | 2025 |
| 3 | Siemens Energy 1654 Beersel | €107.3m | €155.1m | €19.3m | 102.6 | 2025 |
| 4 | CAS-VOS 9100 Sint-Niklaas | €59.4m | €106.9m | €10.2m | 387.4 | 2025 |
| 5 | Constructel Belgium 7033 Mons | €71.2m | €99.9m | €29.4m | 229.0 | 2025 |
| 6 | Fodetra-Hotton Infra 6180 Courcelles | €27.4m | €51.5m | €9.38m | 220.3 | 2025 |
| 7 | Mobix 2800 Mechelen | €64.2m | €50.3m | €32.8m | 275.6 | 2025 |
| 8 | APK Infra West 3900 Pelt | €12.7m | €46.3m | €5.16m | 212.2 | 2025 |
| 9 | Circet Infratechniek 2900 Schoten | €54.8m | €44.8m | €18.9m | 99.4 | 2025 |
| 10 | Oude Marktvoerliedennatie 9120 Beveren-Kruibeke-Zwijndrecht | €23.8m | €44.6m | €16.2m | 105.1 | 2024 |
| 11 | Tasöz 9160 Lokeren | €13.4m | €44.4m | €7.10m | 177.3 | 2025 |
| 12 | EBN-Tech 9160 Lokeren | €11.4m | €41.0m | €2.88m | 71.6 | 2025 |
| 13 | Circet Projects 1930 Zaventem | €23.0m | €39.2m | €6.80m | 71.8 | 2025 |
| 14 | GKW 1740 Ternat | €24.1m | €38.2m | €7.92m | 116.8 | 2025 |
| 15 | IRISnet 1150 Woluwe-Saint-Pierre | €46.0m | €37.9m | €25.0m | 47.1 | 2025 |
| 16 | BESIX Connect 9240 Zele | €17.8m | €32.0m | €13.2m | 146.3 | 2025 |
| 17 | IGM 9160 Lokeren | €8.01m | €29.8m | €3.11m | 99.5 | 2025 |
| 18 | JAM Group 9160 Lokeren | €17.0m | €26.5m | €6.25m | 23.1 | 2025 |
| 19 | Mobix Engetec 7170 Manage | €22.8m | €25.8m | €1.57m | 162.5 | 2025 |
| 20 | T.R.T.C. - BONFOND Fils 4190 Ferrières | €13.2m | €24.2m | €3.10m | 92.1 | 2025 |
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.
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Frequently asked questions
Which company in Construction of utility projects for electricity and telecommunications has the highest revenue?
Spie Belgium, with €375.6m in revenue (financial year 2025).
How many Construction of utility projects for electricity and telecommunications companies publish their revenue?
102 out of 928, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
Analyse companies in Construction of utility projects for electricity and telecommunications
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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.