Architectural and engineering activities; technical testing and analysis: highest revenue in Hainaut
As of 12 Nov 2026, 92 companies in Architectural and engineering activities; technical testing and analysis (NACE 71) in Hainaut publish their revenue in recent accounts (financial years 2024 to 2026). The top 10 account for €209.9m, out of €219.1m for all of them; median revenue is 104,834 €. Intercommunale pour la Gestion et la Réalisation d'Etudes Techniques et Economiques leads with €105.7m (financial year 2025).
Top 50 · Architectural and engineering activities; technical testing and analysis · Hainaut
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Intercommunale pour la Gestion et la Réalisation d'Etudes Techniques et Economiques 6000 Charleroi | €692.3m | €105.7m | €127.2m | 387.6 | 2025 |
| 2 | Henogen 6041 Charleroi | €97.2m | €48.7m | −€4.55m | 244.5 | 2025 |
| 3 | Quality Assistance 6536 Thuin | €55.5m | €31.7m | €28.4m | 256.8 | 2025 |
| 4 | Compagnie Financiere de Travaux Publics et Agregats 7134 Binche | €90.9m | €8.87m | €28.5m | 72.3 | 2025 |
| 5 | Institut interuniversitaire des Silicates, Sols et Matériaux 7000 Mons | €4.69m | €6.73m | 220,255 € | 35.7 | 2025 |
| 6 | Reservoir A 6000 Charleroi | €2.90m | €2.32m | €1.74m | 2.9 | 2025 |
| 7 | Cadastre et Inspection Télévisuelle des réseaux 7503 Tournai | €2.78m | €2.24m | 926,541 € | 15.6 | 2025 |
| 8 | Société d’architectes AXI(h)ome 6000 Charleroi | €1.76m | €1.61m | €1.50m | 1.0 | 2025 |
| 9 | Van Royen & Associes 7011 Mons | €1.24m | €1.17m | 462,909 € | 6.3 | 2025 |
| 10 | E-Nova 7370 Dour | 662,390 € | 748,763 € | 195,218 € | 8.2 | 2025 |
| 11 | Delfipar 7181 Seneffe | €13.5m | 504,519 € | €13.4m | — | 2025 |
| 12 | Agence d'Architectes Olivier Russe 6500 Beaumont | 487,658 € | 464,109 € | 466,385 € | — | 2025 |
| 13 | Les Lacs de l'Eau d'Heure 6440 Froidchapelle | €23.0m | 392,071 € | €12.8m | 24.1 | 2025 |
| 14 | Groupe Gamma Architectes 7110 La Louvière | 340,350 € | 307,933 € | 229,806 € | — | 2025 |
| 15 | HYP-ARC 6032 Charleroi | 148,294 € | 276,492 € | 57,114 € | 2.8 | 2025 |
| 16 | Bureau d'Etudes Architecture Mobilité Environnement 7711 Mouscron | 552,047 € | 248,093 € | 314,677 € | 1.3 | 2025 |
| 17 | Hugo Bauwens//Architecture/Urbanisme 7022 Mons | 364,235 € | 237,183 € | 267,924 € | — | 2025 |
| 18 | Green City Wallonie 2 7330 Saint-Ghislain | €1.58m | 233,948 € | 369,429 € | 0.4 | 2025 |
| 19 | Bureau d'Architecte VANCRAENENBROECK 7387 Honnelles | 706,835 € | 209,680 € | 562,904 € | — | 2025 |
| 20 | Mazzeo Expertise 6110 Montigny-le-Tilleul | 369,975 € | 208,347 € | 77,675 € | — | 2025 |
| 21 | Bureau d'Etudes Stiévenart 7387 Honnelles | 204,811 € | 200,463 € | 192,998 € | — | 2025 |
| 22 | Societe d'Architecture Alternative 6500 Beaumont | 382,565 € | 198,408 € | 55,938 € | — | 2025 |
| 23 | GHEM Management & Consulting 7000 Mons | 396,577 € | 194,034 € | 343,888 € | — | 2025 |
| 24 | XPS Conseils & Services 6043 Charleroi | 177,516 € | 187,615 € | 161,023 € | — | 2025 |
| 25 | A + I, architectes et ingénieurs 6200 Châtelet | 259,533 € | 184,684 € | 132,436 € | 0.4 | 2025 |
| 26 | Bureau de Dessin Associes 7862 Lessines | 265,221 € | 178,766 € | 203,216 € | — | 2025 |
| 27 | W.B. Design Office 6141 Fontaine-l'Évêque | 329,897 € | 178,064 € | 279,510 € | — | 2024 |
| 28 | Danoti 6120 Ham-sur-Heure-Nalinnes | 134,565 € | 166,095 € | 119,110 € | — | 2025 |
| 29 | Auxiliaire Europeenne de Topographie - Mineur 6032 Charleroi | 264,078 € | 151,342 € | 252,624 € | — | 2025 |
| 30 | Sijema 6032 Charleroi | 427,764 € | 148,983 € | 81,780 € | — | 2025 |
| 31 | Grolaux & Associes 7370 Dour | 53,096 € | 143,758 € | 29,841 € | — | 2025 |
| 32 | Poly'Art 7000 Mons | 126,831 € | 143,175 € | 126,316 € | — | 2025 |
| 33 | JCP Engineering 7387 Honnelles | 163,565 € | 139,925 € | 83,049 € | — | 2025 |
| 34 | Studio Silo 6230 Pont-à-Celles | 172,671 € | 139,138 € | 108,859 € | — | 2025 |
| 35 | Integral Construct 7100 La Louvière | 86,980 € | 138,190 € | 66,796 € | — | 2025 |
| 36 | ATELIER DU PARC Société d’Architectes 7100 La Louvière | 263,728 € | 136,176 € | 235,691 € | — | 2025 |
| 37 | Power-Check 6200 Châtelet | 462,012 € | 133,615 € | 427,085 € | — | 2025 |
| 38 | PEB-Conseil 7090 Braine-le-Comte | 375,834 € | 132,127 € | 370,205 € | — | 2025 |
| 39 | Architecture Perspectives Nouvelles 7332 Saint-Ghislain | 233,141 € | 128,655 € | 220,389 € | — | 2025 |
| 40 | Ngenior 7100 La Louvière | 123,603 € | 127,296 € | 103,349 € | — | 2025 |
| 41 | MB Project Solutions 7130 Binche | 97,926 € | 123,277 € | 50,675 € | — | 2025 |
| 42 | EGU Project Management 6043 Charleroi | 188,285 € | 118,100 € | 135,990 € | — | 2025 |
| 43 | FasterCAD 7520 Tournai | 69,617 € | 115,211 € | 21,626 € | — | 2024 |
| 44 | Cloet Engenering 7850 Enghien | 164,184 € | 111,858 € | 128,113 € | 1.0 | 2025 |
| 45 | Badiali-Architecte 6001 Charleroi | 51,149 € | 108,869 € | 1,090 € | 1.0 | 2025 |
| 46 | Charlier Didier Bureau d'Architectes et d'Expertises 7130 Binche | 376,190 € | 104,895 € | 186,007 € | — | 2025 |
| 47 | Didier Pollart, Atelier d'Architecture 7070 Le Roeulx | 31,361 € | 104,774 € | 5,928 € | — | 2025 |
| 48 | Arddy 6120 Ham-sur-Heure-Nalinnes | 299,132 € | 96,917 € | 114,375 € | 1.0 | 2025 |
| 49 | progex 6542 Lobbes | 79,773 € | 96,858 € | 30,786 € | — | 2025 |
| 50 | Comaglo 6200 Châtelet | 603,395 € | 95,498 € | 466,635 € | — | 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.
Architectural and engineering activities; technical testing and analysis across Belgium → All sectors · Hainaut →
Other sectors · Hainaut
- 01 Crop and animal production, hunting and related service activities122
- 08 Other mining and quarrying15
- 10 Manufacture of food products76
- 11 Manufacture of beverages10
- 13 Manufacture of textiles14
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials14
- 18 Printing and reproduction of recorded media17
- 20 Manufacture of chemicals and chemical products37
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations11
- 22 Manufacture of rubber and plastic products20
- 23 Manufacture of other non-metallic mineral products37
- 24 Manufacture of basic metals19
- 25 Manufacture of fabricated metal products, except machinery and equipment66
- 27 Manufacture of electrical equipment10
- 28 Manufacture of machinery and equipment n.e.c.21
- 32 Other manufacturing10
- 33 Repair, maintenance and installation of machinery and equipment21
- 35 Electricity, gas, steam and air conditioning supply20
- 38 Waste collection, recovery and disposal activities29
- 41 Construction of residential and non-residential buildings153
- 42 Civil engineering24
- 43 Specialised construction activities358
- 46 Wholesale trade293
- 47 Retail trade544
- 49 Land transport and transport via pipelines100
- 52 Warehousing, storage and support activities for transportation36
- 55 Accommodation19
- 56 Food and beverage service activities190
- 59 Motion picture, video and television programme production, sound recording and music publishing activities14
- 62 Computer programming, consultancy and related activities88
- 63 Computing infrastructure, data processing, hosting and other information service activities10
- 64 Financial service activities, except insurance and pension funding99
- 66 Activities auxiliary to financial services and insurance activities54
- 68 Real estate activities281
- 69 Legal and accounting activities96
- 70 Activities of head offices and management consultancy186
- 73 Activities of advertising, market research and public relations34
- 74 Other professional, scientific and technical activities13
- 75 Veterinary activities14
- 77 Rental and leasing activities19
- 79 Travel agency, tour operator and other reservation service and related activities12
- 81 Services to buildings and landscape activities52
- 82 Office administrative, office support and other business support activities58
- 85 Education109
- 86 Human health activities232
- 87 Residential care activities81
- 88 Social work activities without accommodation55
- 90 Arts creation and performing arts activities23
- 93 Sports activities and amusement and recreation activities33
- 94 Activities of membership organisations22
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles47
- 96 Personal service activities66
Municipalities with the most companies in the sector · Hainaut
- 7000 Mons58
- 7500 Tournai (Ere, Saint-Maur)47
- 7100 La Louvière (Haine-Saint-Paul, Haine-Saint-Pierre, Saint-Vaast, …)25
- 6120 Ham-sur-Heure-Nalinnes (Cour-Sur-Heure, Ham-Sur-Heure, Jamioulx, …)24
- 6230 Pont-à-Celles (Buzet, Obaix, Thiméon, …)22
- 7700 Mouscron (Luingne)21
- 6000 Charleroi20
- 7850 Enghien (Marcq, Petit-Enghien)20
- 7181 Seneffe (Arquennes, Familleureux, Feluy, …)18
- 6001 Charleroi (Marcinelle)17
- 7090 Braine-le-Comte (Hennuyères, Henripont, Petit-Roeulx-Lez-Braine, …)17
- 7370 Dour (Blaugies, Elouges, Wihéries)17
Frequently asked questions
Which company in Architectural and engineering activities; technical testing and analysis in Hainaut has the highest revenue?
Intercommunale pour la Gestion et la Réalisation d'Etudes Techniques et Economiques, with €105.7m 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 92 that publish it, out of 1,027 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 · Hainaut
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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.