Sector · NACE 7112

Engineering activities and related technical consultancy

6,616 Belgian companies whose main activity falls under NACE code 7112 have filed annual accounts. Their median solvency is 55.0% for financial year 2025.

Companies6,616
Median solvency55.0%
Median equity88,543 €
Median headcount (FTE)3.3
Founded in the last 3 years982

Sector medians

Computed by Idonis

Distribution across the sector's companies for financial year 2025: a quarter of companies sit below the 1st quartile, half below the median, three quarters below the 3rd quartile.

Indicator1st quartileMedian3rd quartileCompanies
Solvency 25.9%55.0%77.8% 6,007
Current ratio 1.051.933.97 5,959
ROE 6.1%24.8%59.5% 5,555
Equity 27,680 €88,543 €253,672 € 6,078
Total assets 86,449 €190,319 €536,545 € 6,027
Net result 2,543 €24,208 €61,919 € 6,070
Headcount (avg FTE) 1.03.311.8 1,308

Medians computed by Idonis from annual accounts filed with the National Bank, all sizes combined. The same panel is the sector benchmark on every company page. Method

Largest companies: Engineering activities and related technical consultancy

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 Deme Offshore Holding 2070 Beveren-Kruibeke-Zwijndrecht €1.07bn €2.51m €949.1m — 2025
2 Nelson Labs 3001 Leuven €769.0m €41.3m €595.3m 202.5 2025
3 Intercommunale pour la Gestion et la Réalisation d'Etudes Techniques et Economiques 6000 Charleroi €692.3m €105.7m €127.2m 387.6 2025
4 CMB.TECH Enterprises 2000 Antwerp €682.6m €2.01m €640.8m 14.8 2024
5 Sterigenics 3018 Leuven €594.8m — €469.5m 38.1 2025
6 Tramardent 4020 Liège €502.8m €353.2m €2.18m — 2025
7 Societe Wallonne DES Aeroports 5020 Namur €491.7m €38.6m €366.9m 67.8 2025
8 Siemens Industry Software 3001 Leuven €482.8m €353.6m €205.5m 486.8 2025
9 Aukera 1000 Brussels €457.1m 271,987 € €456.2m — 2025
10 DEME Infra 2070 Beveren-Kruibeke-Zwijndrecht €402.5m €295.5m €6.53m 78.6 2025
11 Tractebel Engineering 1000 Brussels €350.5m €332.1m €176.4m 1,326.4 2025
12 Myrrha 1000 Brussels €316.4m — €301.1m 2.0 2025
13 Sweco 1000 Brussels €286.7m €315.2m €73.8m 1,951.9 2025
14 West-Vlaamse Intercommunale 8200 Bruges €241.0m €34.2m €133.5m 103.6 2025
15 Vyncke 8530 Harelbeke €205.6m €152.6m €15.3m 170.2 2025
16 Desmet Belgium 1831 Machelen (Brab.) €183.5m €126.8m €53.5m 129.0 2024
17 RELY 1210 Saint-Josse-ten-Noode €154.9m €8.89m €82.7m 18.3 2025
18 Finlab 3001 Leuven €147.8m €1.20m €147.4m — 2025
19 Arcadis Belgium 1000 Brussels €131.7m €140.1m €43.4m 774.8 2025
20 Aukera Romania Holding 1000 Brussels €128.6m — €99.0m — 2025

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Where are they based?

  • Antwerp1,301
  • East Flanders979
  • Flemish Brabant670
  • Liège653
  • West Flanders626
  • Brussels-Capital582
  • Limburg541
  • Hainaut460
  • Walloon Brabant430
  • Namur269
  • Luxembourg102

Municipalities with the most

Related sectors

← The whole Architectural and engineering activities; technical testing and analysis sector (NACE 71)

Frequently asked questions

How many Engineering activities and related technical consultancy companies are there in Belgium?

6,616 Belgian companies whose main activity falls under NACE code 7112 (Engineering activities and related technical consultancy) have filed annual accounts with the National Bank.

What is the median solvency in Engineering activities and related technical consultancy?

For financial year 2025, median solvency (equity over total assets) is 55.0%. The middle half of companies lies between 25.9% and 77.8% (6,007 companies).

What is the largest company in Engineering activities and related technical consultancy?

By total assets, it is Deme Offshore Holding (€1.07bn, financial year 2025).

Where are Engineering activities and related technical consultancy companies based?

The municipalities with the most: Ghent (89), Uccle (80), Antwerp (79).

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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 10 Oct 2026.