Ranking · Flanders · NACE 43
Specialised construction activities: the largest companies in Flanders
As of 12 Nov 2026, 35,294 companies in Specialised construction activities (NACE 43) in Flanders publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €1.94bn, out of €24.2bn for all of them; median total assets are 194,043 €. Sarens leads with €791.7m (financial year 2025).
Top 50 · Specialised construction activities · Flanders
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 | Sarens 1861 Meise | €791.7m | €352.0m | €112.6m | 372.3 | 2025 |
| 2 | EnergyVision 9051 Ghent | €205.6m | €151.9m | €134.8m | 162.7 | 2025 |
| 3 | Aertssen Infra 2940 Stabroek | €173.1m | €199.1m | €47.7m | 337.0 | 2025 |
| 4 | Altebra 9500 Geraardsbergen | €165.2m | €60.6m | €34.2m | 101.3 | 2025 |
| 5 | Jacops 8540 Deerlijk | €160.1m | €271.1m | €54.1m | 647.4 | 2025 |
| 6 | Altrad Services 9130 Beveren-Kruibeke-Zwijndrecht | €108.4m | €172.0m | €41.2m | 1,098.5 | 2025 |
| 7 | Renotec 2440 Geel | €89.6m | €241.0m | €25.2m | 844.5 | 2025 |
| 8 | EEG 8560 Wevelgem | €84.0m | €158.7m | €26.3m | 522.5 | 2025 |
| 9 | V.M.A. 9830 Sint-Martens-Latem | €83.7m | €106.8m | €24.6m | 324.0 | 2025 |
| 10 | Sarens be 1861 Meise | €77.3m | €49.7m | €8.69m | 188.7 | 2025 |
| 11 | Solutions 30 Belgium 2600 Antwerp | €76.6m | €98.8m | 309,381 € | 105.9 | 2025 |
| 12 | Monument - Vandekerckhove 8770 Ingelmunster | €70.9m | €119.4m | €32.4m | 217.3 | 2025 |
| 13 | Argona 9080 Lochristi | €68.3m | €3.31m | €34.9m | — | 2025 |
| 14 | Beddeleem 9810 Nazareth-De Pinte | €65.5m | €93.1m | €35.6m | 172.9 | 2025 |
| 15 | Dovy Construct 8800 Roeselare | €64.4m | €7.14m | €10.8m | 18.4 | 2025 |
| 16 | 2Fund 8500 Kortrijk | €60.7m | €3.80m | €24.8m | 2.1 | 2025 |
| 17 | IKO NV 2020 Antwerp | €56.5m | €133.0m | €42.5m | 139.7 | 2025 |
| 18 | Grond- en Afbraakwerken G. en A. De Meuter 1740 Ternat | €56.0m | €101.2m | €39.3m | 167.2 | 2025 |
| 19 | Imperbel 1654 Beersel | €55.6m | €72.5m | €31.5m | 151.2 | 2025 |
| 20 | Smet-F & C 2480 Dessel | €54.1m | €84.1m | €14.2m | 198.9 | 2025 |
| 21 | Wycor 9230 Wetteren | €53.3m | €124.3m | €17.4m | 170.5 | 2025 |
| 22 | Aertssen Lifting 2940 Stabroek | €51.2m | €66.7m | €9.41m | 340.1 | 2025 |
| 23 | CBRE GWS Belgium 1831 Machelen (Brab.) | €49.2m | €90.8m | €5.46m | 250.8 | 2025 |
| 24 | Aliv Group 9000 Ghent | €48.6m | €2.96m | €5.78m | 11.1 | 2025 |
| 25 | Vestra Real Estate Group 3500 Hasselt | €47.0m | 783,137 € | €39.0m | 2.8 | 2025 |
| 26 | Altrad Logistics Benelux 9130 Beveren-Kruibeke-Zwijndrecht | €47.0m | €17.0m | €32.6m | 61.2 | 2025 |
| 27 | Group Stas 3210 Lubbeek | €46.3m | — | €19.9m | 1.6 | 2025 |
| 28 | Jansen Building Projects 3670 Oudsbergen | €43.9m | €88.6m | €4.72m | 114.4 | 2025 |
| 29 | Ring Station II 2550 Kontich | €43.9m | — | €5.33m | — | 2025 |
| 30 | Bio - Dynamics 8710 Wielsbeke | €43.6m | €64.4m | €12.2m | 120.2 | 2025 |
| 31 | Siegers Technics 2300 Turnhout | €43.4m | €15.5m | €25.8m | 45.4 | 2025 |
| 32 | Aclagro 9032 Ghent | €42.6m | €94.1m | €11.3m | 285.3 | 2025 |
| 33 | Staalbeton 2310 Rijkevorsel | €40.1m | €60.5m | €13.4m | 90.8 | 2025 |
| 34 | Sparki Renewables 8530 Harelbeke | €39.2m | €45.4m | €2.45m | 57.4 | 2025 |
| 35 | Renewi Belgium 3920 Lommel | €38.9m | €68.0m | €8.22m | 74.6 | 2026 |
| 36 | De Witte-Vandecaveye 8750 Wingene | €38.1m | €42.9m | €19.0m | 122.6 | 2025 |
| 37 | Betonfabriek de Bonte 9250 Waasmunster | €37.1m | €3.09m | €36.5m | 14.4 | 2025 |
| 38 | Dubaere 9880 Aalter | €35.3m | €88.2m | €17.2m | 16.8 | 2025 |
| 39 | Immo R.D.K. 2310 Rijkevorsel | €34.7m | — | €6.51m | — | 2025 |
| 40 | Auctim Group 2630 Aartselaar | €34.2m | — | €30.3m | 0.8 | 2025 |
| 41 | Wetenschapspark Leuven Noord 3000 Leuven | €34.2m | — | −785,223 € | — | 2025 |
| 42 | Citynest 9000 Ghent | €33.8m | €28.7m | €4.39m | — | 2025 |
| 43 | P.V.S. 3512 Hasselt | €33.4m | €36.4m | €19.4m | 48.6 | 2025 |
| 44 | Bilfinger Industrial Services Belgiê 2070 Beveren-Kruibeke-Zwijndrecht | €33.1m | €118.8m | €5.49m | 328.4 | 2025 |
| 45 | R. Adams 2330 Merksplas | €33.1m | — | €29.8m | — | 2025 |
| 46 | Mammoet (Belgium) 9042 Ghent | €32.8m | €29.3m | €7.98m | 88.7 | 2025 |
| 47 | Circet Belgium 3583 Beringen | €32.7m | €60.2m | €19.9m | 365.9 | 2025 |
| 48 | Bumaco Koeltechniek 3110 Rotselaar | €31.8m | €95.4m | €18.5m | 269.3 | 2025 |
| 49 | SIX 8870 Izegem | €31.8m | €65.0m | €13.5m | 198.4 | 2025 |
| 50 | HENS 2990 Wuustwezel | €31.6m | €54.0m | €9.98m | 104.7 | 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.
Specialised construction activities across Belgium → All sectors · Flanders →
Other sectors · Flanders
- 01 Crop and animal production, hunting and related service activities5,114
- 02 Forestry and logging186
- 03 Fishing and aquaculture102
- 08 Other mining and quarrying88
- 09 Mining support service activities32
- 10 Manufacture of food products3,220
- 11 Manufacture of beverages386
- 12 Manufacture of tobacco products16
- 13 Manufacture of textiles704
- 14 Manufacture of wearing apparel299
- 15 Manufacture of leather and related products of other materials50
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials1,102
- 17 Manufacture of paper and paper products196
- 18 Printing and reproduction of recorded media1,328
- 19 Manufacture of coke and refined petroleum products18
- 20 Manufacture of chemicals and chemical products539
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations281
- 22 Manufacture of rubber and plastic products561
- 23 Manufacture of other non-metallic mineral products952
- 24 Manufacture of basic metals244
- 25 Manufacture of fabricated metal products, except machinery and equipment4,115
- 26 Manufacture of computer, electronic and optical products460
- 27 Manufacture of electrical equipment489
- 28 Manufacture of machinery and equipment n.e.c.1,127
- 29 Manufacture of motor vehicles, trailers and semi-trailers307
- 30 Manufacture of other transport equipment132
- 31 Manufacture of furniture968
- 32 Other manufacturing960
- 33 Repair, maintenance and installation of machinery and equipment2,361
- 35 Electricity, gas, steam and air conditioning supply623
- 36 Water collection, treatment and supply41
- 37 Sewerage127
- 38 Waste collection, recovery and disposal activities664
- 39 Remediation activities and other waste management service activities112
- 41 Construction of residential and non-residential buildings12,390
- 42 Civil engineering2,400
- 46 Wholesale trade24,470
- 47 Retail trade26,224
- 49 Land transport and transport via pipelines7,319
- 50 Water transport339
- 51 Air transport173
- 52 Warehousing, storage and support activities for transportation2,364
- 53 Postal and courier activities573
- 55 Accommodation2,106
- 56 Food and beverage service activities16,014
- 58 Publishing activities768
- 59 Motion picture, video and television programme production, sound recording and music publishing activities1,456
- 60 Programming, broadcasting, news agency and other content distribution activities163
- 61 Telecommunication294
- 62 Computer programming, consultancy and related activities18,472
- 63 Computing infrastructure, data processing, hosting and other information service activities2,623
- 64 Financial service activities, except insurance and pension funding20,945
- 65 Insurance, reinsurance and pension funding, except compulsory social security152
- 66 Activities auxiliary to financial services and insurance activities5,256
- 68 Real estate activities32,646
- 69 Legal and accounting activities12,868
- 70 Activities of head offices and management consultancy35,926
- 71 Architectural and engineering activities; technical testing and analysis9,882
- 72 Scientific research and development599
- 73 Activities of advertising, market research and public relations6,897
- 74 Other professional, scientific and technical activities3,244
- 75 Veterinary activities1,234
- 77 Rental and leasing activities2,338
- 78 Employment activities1,219
- 79 Travel agency, tour operator and other reservation service and related activities644
- 80 Investigation and security activities301
- 81 Services to buildings and landscape activities5,098
- 82 Office administrative, office support and other business support activities9,438
- 84 Public administration and defence; compulsory social security98
- 85 Education2,506
- 86 Human health activities25,365
- 87 Residential care activities583
- 88 Social work activities without accommodation1,024
- 90 Arts creation and performing arts activities2,109
- 91 Libraries, archives, museums and other cultural activities129
- 92 Gambling and betting activities119
- 93 Sports activities and amusement and recreation activities2,717
- 94 Activities of membership organisations457
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles2,942
- 96 Personal service activities4,643
Municipalities with the most companies in the sector · Flanders
- 3600 Genk408
- 1600 Sint-Pieters-Leeuw (Oudenaken, Sint-Laureins-Berchem)347
- 3550 Heusden-Zolder (Heusden, Zolder)331
- 8800 Roeselare (Beveren, Oekene, Rumbeke)325
- 9000 Ghent320
- 9160 Lokeren (Daknam, Eksaarde)316
- 2960 Brecht (Sint-Job-In-'t-Goor, Sint-Lenaarts)270
- 3500 Hasselt (Sint-Lambrechts-Herk)270
- 3530 Houthalen-Helchteren (Helchteren, Houthalen)257
- 2100 Antwerp (Deurne)251
- 1930 Zaventem (Nossegem)250
- 9200 Dendermonde (Appels, Baasrode, Grembergen, …)246
Frequently asked questions
Which is the largest company in Specialised construction activities in Flanders?
By total assets, it is Sarens (€791.7m, financial year 2025).
How many companies in Specialised construction activities in Flanders are ranked?
35,294 out of 36,220 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.