Ranking · Walloon Brabant · NACE 74
Other professional, scientific and technical activities: the largest companies in Walloon Brabant
As of 14 Nov 2026, 340 companies in Other professional, scientific and technical activities (NACE 74) in Walloon Brabant publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €69.5m, out of €135.1m for all of them; median total assets are 96,854 €. Acclaro Localization & Technology leads with €23.7m (financial year 2024).
Top 50 · Other professional, scientific and technical activities · Walloon Brabant
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 | Acclaro Localization & Technology 1300 Wavre | €23.7m | €22.3m | €5.89m | 2.3 | 2024 |
| 2 | Vertical Compute 1348 Ottignies-Louvain-la-Neuve | €18.1m | — | €14.5m | 3.5 | 2025 |
| 3 | Advento Management 1330 Rixensart | €7.59m | — | €6.00m | — | 2025 |
| 4 | B.O. House 1428 Braine-l'Alleud | €3.37m | — | €1.77m | — | 2025 |
| 5 | Optimade 1390 Grez-Doiceau | €3.13m | — | €2.04m | — | 2025 |
| 6 | 254Forest 1490 Court-Saint-Étienne | €3.08m | — | €2.02m | — | 2025 |
| 7 | S-Pace 1435 Mont-Saint-Guibert | €2.94m | — | €1.93m | 13.7 | 2025 |
| 8 | Dbdeco 1300 Wavre | €2.70m | — | €1.14m | 1.8 | 2025 |
| 9 | Deco-Tech 1461 Ittre | €2.52m | — | €2.03m | 1.0 | 2025 |
| 10 | Aquilius 1360 Perwez | €2.35m | — | €1.47m | 2.0 | 2025 |
| 11 | Equestrian Technology 1360 Perwez | €2.31m | — | 432,965 € | 5.4 | 2025 |
| 12 | Wind'O 1435 Mont-Saint-Guibert | €2.17m | — | €1.16m | 10.3 | 2025 |
| 13 | Brabant-Invest 1480 Tubize | €1.81m | — | €1.03m | — | 2025 |
| 14 | MOTH 1410 Waterloo | €1.66m | — | €1.21m | — | 2025 |
| 15 | Qualiacom 1410 Waterloo | €1.60m | — | 406,331 € | 2.0 | 2025 |
| 16 | Hangar Studio 1420 Braine-l'Alleud | €1.56m | — | 2,000 € | 4.4 | 2025 |
| 17 | Backstage Design & Print 1320 Beauvechain | €1.33m | — | 218,898 € | 3.2 | 2025 |
| 18 | New Radiosoc 1330 Rixensart | €1.28m | — | €1.02m | 3.9 | 2025 |
| 19 | BWAT 1370 Jodoigne | €1.21m | — | 833,658 € | — | 2025 |
| 20 | TTS 1380 Lasne | €1.06m | — | 772,191 € | 0.5 | 2025 |
| 21 | Bernard Henreaux, Photographe 1460 Ittre | 982,998 € | — | −256,217 € | 15.8 | 2023 |
| 22 | Analytical Sciences & Management 1325 Chaumont-Gistoux | 947,006 € | — | 138,322 € | — | 2025 |
| 23 | MeCADesign 1360 Perwez | 922,860 € | — | 103,617 € | — | 2025 |
| 24 | Melting Prod 1440 Braine-le-Château | 732,344 € | — | 259,930 € | — | 2025 |
| 25 | Business and Language Incorporated 1380 Lasne | 726,787 € | — | 635,262 € | — | 2025 |
| 26 | MT Construct 1420 Braine-l'Alleud | 716,687 € | — | 614,703 € | — | 2025 |
| 27 | Fire Management 1370 Jodoigne | 711,145 € | — | 555,068 € | — | 2025 |
| 28 | Clerfayt Expertises 1450 Chastre | 695,820 € | — | 532,823 € | — | 2025 |
| 29 | Wegreen 1400 Nivelles | 689,459 € | 38,986 € | −22,304 € | — | 2025 |
| 30 | Sama.BE 1315 Incourt | 687,062 € | — | 653,372 € | — | 2025 |
| 31 | Feeling Production 1457 Walhain | 685,935 € | — | 670,901 € | — | 2025 |
| 32 | Studio Vannuscorps 1400 Nivelles | 684,824 € | — | 344,298 € | — | 2026 |
| 33 | 23B Consulting 1310 La Hulpe | 674,271 € | — | 496,278 € | — | 2025 |
| 34 | Version5 1380 Lasne | 618,096 € | — | −698,714 € | — | 2025 |
| 35 | Creagency 1400 Nivelles | 604,496 € | — | 88,650 € | — | 2025 |
| 36 | Marée Haute Production 1300 Wavre | 597,286 € | — | −192,462 € | — | 2025 |
| 37 | Tame Light 1320 Beauvechain | 593,623 € | — | 284,831 € | — | 2025 |
| 38 | Hub & Spoke 1310 La Hulpe | 592,849 € | 143,280 € | 563,642 € | — | 2025 |
| 39 | Cbexco 1457 Walhain | 581,644 € | — | 477,762 € | — | 2025 |
| 40 | Production 1310 La Hulpe | 579,319 € | — | 490,281 € | 4.4 | 2025 |
| 41 | Sdev-Events Decoration 1370 Jodoigne | 568,226 € | — | 84,105 € | 3.0 | 2025 |
| 42 | Alphastyle 1435 Mont-Saint-Guibert | 567,467 € | — | 412,844 € | — | 2025 |
| 43 | Dream Family 1301 Wavre | 549,037 € | — | 104,945 € | — | 2025 |
| 44 | Celka 1410 Waterloo | 546,516 € | — | 532,080 € | — | 2025 |
| 45 | Nancy Matis 1380 Lasne | 526,938 € | — | 299,840 € | — | 2025 |
| 46 | Nuode New Materials EU 1435 Mont-Saint-Guibert | 499,605 € | — | 499,605 € | — | 2025 |
| 47 | APAI 1380 Lasne | 491,339 € | — | 133,205 € | — | 2025 |
| 48 | Telaxion Europe 1410 Waterloo | 450,997 € | — | 401,609 € | — | 2025 |
| 49 | Bench Marketing 1420 Braine-l'Alleud | 444,068 € | — | 188,874 € | — | 2025 |
| 50 | MadCom 1300 Wavre | 441,240 € | 58,933 € | 99,349 € | — | 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.
Other professional, scientific and technical activities across Belgium → All sectors · Walloon Brabant →
Other sectors · Walloon Brabant
- 01 Crop and animal production, hunting and related service activities368
- 02 Forestry and logging50
- 08 Other mining and quarrying11
- 10 Manufacture of food products186
- 11 Manufacture of beverages42
- 13 Manufacture of textiles23
- 14 Manufacture of wearing apparel26
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials57
- 17 Manufacture of paper and paper products13
- 18 Printing and reproduction of recorded media152
- 20 Manufacture of chemicals and chemical products46
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations46
- 22 Manufacture of rubber and plastic products29
- 23 Manufacture of other non-metallic mineral products56
- 24 Manufacture of basic metals16
- 25 Manufacture of fabricated metal products, except machinery and equipment165
- 26 Manufacture of computer, electronic and optical products66
- 27 Manufacture of electrical equipment38
- 28 Manufacture of machinery and equipment n.e.c.67
- 29 Manufacture of motor vehicles, trailers and semi-trailers23
- 30 Manufacture of other transport equipment14
- 31 Manufacture of furniture80
- 32 Other manufacturing94
- 33 Repair, maintenance and installation of machinery and equipment87
- 35 Electricity, gas, steam and air conditioning supply42
- 37 Sewerage13
- 38 Waste collection, recovery and disposal activities21
- 41 Construction of residential and non-residential buildings593
- 42 Civil engineering71
- 43 Specialised construction activities1,986
- 46 Wholesale trade1,783
- 47 Retail trade2,143
- 49 Land transport and transport via pipelines250
- 51 Air transport15
- 52 Warehousing, storage and support activities for transportation80
- 53 Postal and courier activities11
- 55 Accommodation102
- 56 Food and beverage service activities1,007
- 58 Publishing activities166
- 59 Motion picture, video and television programme production, sound recording and music publishing activities234
- 60 Programming, broadcasting, news agency and other content distribution activities21
- 61 Telecommunication35
- 62 Computer programming, consultancy and related activities1,984
- 63 Computing infrastructure, data processing, hosting and other information service activities159
- 64 Financial service activities, except insurance and pension funding733
- 65 Insurance, reinsurance and pension funding, except compulsory social security24
- 66 Activities auxiliary to financial services and insurance activities412
- 68 Real estate activities2,735
- 69 Legal and accounting activities1,163
- 70 Activities of head offices and management consultancy4,026
- 71 Architectural and engineering activities; technical testing and analysis906
- 72 Scientific research and development101
- 73 Activities of advertising, market research and public relations1,026
- 75 Veterinary activities118
- 77 Rental and leasing activities136
- 78 Employment activities99
- 79 Travel agency, tour operator and other reservation service and related activities49
- 80 Investigation and security activities37
- 81 Services to buildings and landscape activities493
- 82 Office administrative, office support and other business support activities641
- 85 Education349
- 86 Human health activities2,543
- 87 Residential care activities75
- 88 Social work activities without accommodation85
- 90 Arts creation and performing arts activities186
- 91 Libraries, archives, museums and other cultural activities13
- 93 Sports activities and amusement and recreation activities295
- 94 Activities of membership organisations44
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles195
- 96 Personal service activities380
Municipalities with the most companies in the sector · Walloon Brabant
- 1410 Waterloo34
- 1300 Wavre (Limal)27
- 1380 Lasne (Couture-Saint-Germain, Lasne-Chapelle-Saint-Lambert, Maransart, …)25
- 1420 Braine-l'Alleud20
- 1325 Chaumont-Gistoux (Bonlez, Corroy-Le-Grand, Dion-Valmont, …)19
- 1390 Grez-Doiceau (Archennes, Biez, Bossut-Gottechain, …)13
- 1435 Mont-Saint-Guibert (Corbais, Hévillers)13
- 1310 La Hulpe12
- 1400 Nivelles (Monstreux)11
- 1440 Braine-le-Château (Wauthier-Braine)11
- 1348 Ottignies-Louvain-la-Neuve (Louvain-La-Neuve)10
- 1360 Perwez (Malèves-Sainte-Marie-Wastines, Orbais, Thorembais-Les-Béguines, …)10
Frequently asked questions
Which is the largest company in Other professional, scientific and technical activities in Walloon Brabant?
By total assets, it is Acclaro Localization & Technology (€23.7m, financial year 2024).
How many companies in Other professional, scientific and technical activities in Walloon Brabant are ranked?
340 out of 349 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 14 Nov 2026.