Ranking · Antwerp province · NACE 71

Architectural and engineering activities; technical testing and analysis: the largest companies in Antwerp province

As of 12 Nov 2026, 3,132 companies in Architectural and engineering activities; technical testing and analysis (NACE 71) in Antwerp province publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €2.87bn, out of €5.03bn for all of them; median total assets are 160,185 €. Deme Offshore Holding leads with €1.07bn (financial year 2025).

Top 50 · Architectural and engineering activities; technical testing and analysis · Antwerp province

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 CMB.TECH Enterprises 2000 Antwerp €682.6m €2.01m €640.8m 14.8 2024
3 DEME Infra 2070 Beveren-Kruibeke-Zwijndrecht €402.5m €295.5m €6.53m 78.6 2025
4 AgomAb Therapeutics 2600 Antwerp €251.3m — €244.1m 52.0 2025
5 SGS Belgium 2030 Antwerp €159.0m €243.6m €41.2m 1,394.7 2025
6 Keppel Seghers Belgium 2830 Willebroek €103.1m €2.31m €79.7m 115.6 2025
7 Bureau Voor Technische Controle 2100 Antwerp €63.1m €28.6m €34.9m 204.3 2025
8 IQVIA MedTech NV 2600 Antwerp €52.2m €5.64m €34.2m 31.6 2023
9 Wimble Services Belgium 2800 Mechelen €46.9m €32.1m €33.4m 69.9 2025
10 Onafhankelijk Controle Bureel 2550 Kontich €38.5m €25.1m €23.1m 164.7 2025
11 Jeco Energies 2200 Herentals €35.9m €1.97m €21.6m 10.0 2025
12 Antea Belgium 2600 Antwerp €35.7m €39.1m €16.5m 233.1 2025
13 Allego België 2800 Mechelen €34.9m €36.2m €9.69m 6.8 2025
14 Worley Belgique 2030 Antwerp €34.4m €67.9m €16.0m 369.4 2025
15 CBS Energy Assets Belgium 2600 Antwerp €30.1m — €5.58m — 2025
16 Autoveiligheid 2800 Mechelen €29.4m €64.0m €7.69m 530.1 2025
17 STAR Group Belgium 2000 Antwerp €29.1m €95.3m €15.9m 273.0 2025
18 Power@Sea 2070 Beveren-Kruibeke-Zwijndrecht €25.2m — €22.2m — 2025
19 Rombouts-Heylen & Doms 2970 Schilde €20.7m — 153,767 € — 2025
20 Fluor Engineering 2030 Antwerp €20.7m €26.3m €13.5m 104.8 2025
21 Tormans BV 2440 Geel €20.6m €36.2m €16.5m 114.7 2025
22 AmSpec Belgium 2040 Antwerp €19.7m €34.6m −€5.45m 233.2 2025
23 Contec 2030 Antwerp €18.3m €23.1m €6.83m 141.1 2025
24 TripleW 2030 Antwerp €18.1m — €7.76m 13.0 2025
25 Storm Courrière 2600 Antwerp €17.8m — €2.80m — 2025
26 LRQA België 2600 Antwerp €16.1m — €1.54m 11.5 2025
27 Axel Vervoordt Interior & Design 2110 Wijnegem €15.8m — €6.92m 32.7 2025
28 Storm RETIE 2600 Antwerp €15.8m — €2.55m — 2025
29 H2 Infra 2000 Antwerp €15.7m 74,875 € €13.0m — 2025
30 Aellia Belgium 2490 Balen €15.6m €23.5m €5.74m 78.7 2025
31 Normec BTV 2600 Antwerp €15.0m €48.3m €6.04m 313.1 2025
32 Magics Technologies 2440 Geel €14.8m — €11.1m 38.8 2025
33 International Marine and Dredging Consultants 2018 Antwerp €14.1m €22.9m €3.05m 104.8 2025
34 Camin Cargo Control NW Europe 2030 Antwerp €13.6m €7.64m −€1.20m 32.6 2024
35 ARCHITECTUUR TROiA 2000 Antwerp €13.6m — 50,441 € — 2026
36 Witteveen+Bos Belgium 2600 Antwerp €13.0m €40.9m €5.92m 174.2 2025
37 LOW Architecten 2060 Antwerp €12.9m — €5.44m 1.3 2025
38 Promat Research and Technology Centre 2830 Willebroek €12.0m €27.3m €2.92m 33.8 2025
39 Vastgoedexperts 2430 Laakdal €11.5m €13.0m 571,561 € 73.6 2025
40 InOpSys 2800 Mechelen €11.0m — €3.14m 20.0 2025
41 Binst Architects 2000 Antwerp €10.9m — €6.53m 3.4 2025
42 Onafhankelijk Controle Bureel 2550 Kontich €10.3m — €8.56m 39.8 2025
43 Bouwmaes 2370 Arendonk €10.1m — €9.24m — 2025
44 International Gemmological Institute 2018 Antwerp €9.68m €4.35m €8.74m 25.1 2024
45 Talenco 2000 Antwerp €9.41m €14.9m 98,861 € 96.3 2025
46 Delta - EM 2500 Lier €9.32m — €1.23m 4.0 2026
47 TEC 2000 Antwerp €9.20m €38.6m €3.59m 221.1 2025
48 Stijn Mertens-Architecten 2940 Stabroek €8.98m — €8.65m — 2025
49 Design Express 2811 Mechelen €8.84m €14.7m €5.72m 24.5 2025
50 Caeleste 2800 Mechelen €8.52m — €5.67m 35.2 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.

Architectural and engineering activities; technical testing and analysis across Belgium → All sectors · Antwerp province →

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Municipalities with the most companies in the sector · Antwerp province

Frequently asked questions

Which is the largest company in Architectural and engineering activities; technical testing and analysis in Antwerp province?

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

How many companies in Architectural and engineering activities; technical testing and analysis in Antwerp province are ranked?

3,132 out of 3,160 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.

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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 12 Nov 2026.