Scientific research and development: the largest companies in Walloon Brabant
As of 12 Nov 2026, 101 companies in Scientific research and development (NACE 72) in Walloon Brabant publish total assets in recent accounts (financial years 2023 to 2025). The top 10 account for €293.0m, out of €354.1m for all of them; median total assets are 415,816 €. Ncardia Holding leads with €108.4m (financial year 2025).
Top 50 · Scientific research and development · 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 | Ncardia Holding 1435 Mont-Saint-Guibert | €108.4m | — | €98.8m | — | 2025 |
| 2 | Novadip Biosciences 1435 Mont-Saint-Guibert | €85.3m | — | €50.0m | 39.3 | 2025 |
| 3 | Tools4Patient 1435 Mont-Saint-Guibert | €23.1m | — | €19.5m | 16.2 | 2025 |
| 4 | ViiV Healthcare 1300 Wavre | €17.0m | €63.3m | €6.53m | 21.8 | 2025 |
| 5 | The Akkermansia Company 1435 Mont-Saint-Guibert | €16.9m | — | −€3.44m | 3.0 | 2025 |
| 6 | EsoBiotec 1435 Mont-Saint-Guibert | €16.5m | — | €12.4m | 9.4 | 2025 |
| 7 | H2WIN 1400 Nivelles | €7.36m | — | €6.19m | 4.6 | 2025 |
| 8 | Parexel Belgium 1300 Wavre | €6.82m | €13.1m | €4.35m | 63.1 | 2025 |
| 9 | Academic Medical Interdisciplinary Research Foundation - Recherche Academique Medicale Interdisciplinaire Foundation 1380 Lasne | €5.87m | — | €5.87m | — | 2025 |
| 10 | BiocSol 1435 Mont-Saint-Guibert | €5.75m | — | €4.35m | 3.1 | 2025 |
| 11 | Celyad Oncology 1435 Mont-Saint-Guibert | €4.03m | 21,000 € | €2.24m | 10.5 | 2025 |
| 12 | HepaVue Dx 1410 Waterloo | €3.71m | — | 429,994 € | 1.0 | 2025 |
| 13 | WEL Research Institute 1300 Wavre | €3.61m | — | €3.13m | 3.0 | 2025 |
| 14 | BioSenic 1480 Tubize | €3.40m | — | −661,415 € | — | 2025 |
| 15 | Innovation Facilities 1400 Nivelles | €3.30m | — | €1.31m | — | 2025 |
| 16 | Incize 1348 Ottignies-Louvain-la-Neuve | €2.76m | — | 877,146 € | 3.0 | 2025 |
| 17 | Axis44 1370 Jodoigne | €2.45m | — | €2.24m | — | 2025 |
| 18 | Equaly 1348 Ottignies-Louvain-la-Neuve | €1.87m | — | −221,605 € | 8.9 | 2023 |
| 19 | Otorino 1410 Waterloo | €1.86m | — | €1.65m | — | 2025 |
| 20 | Olfadog Biotech 1410 Waterloo | €1.80m | — | €1.44m | — | 2024 |
| 21 | Novalix Belgium 1420 Braine-l'Alleud | €1.64m | — | 194,823 € | 36.3 | 2025 |
| 22 | ChemoSensoryX Biosciences SA 1348 Ottignies-Louvain-la-Neuve | €1.53m | — | −441,906 € | 5.1 | 2025 |
| 23 | European Future Innovation System Centre 1348 Ottignies-Louvain-la-Neuve | €1.42m | €1.26m | 284,426 € | 3.6 | 2025 |
| 24 | Arsalis 1473 Genappe | €1.31m | — | €1.13m | 4.1 | 2025 |
| 25 | Abaxys Therapeutics 1495 Villers-la-Ville | €1.31m | — | €1.04m | — | 2025 |
| 26 | Quantum BioVenture Studio 1300 Wavre | €1.18m | — | 93,107 € | — | 2025 |
| 27 | Viso Clinical 1400 Nivelles | €1.15m | — | 590,168 € | — | 2025 |
| 28 | MSI-Dfat EU 1370 Jodoigne | €1.08m | — | 9,104 € | — | 2025 |
| 29 | W 1410 Waterloo | €1.07m | — | €1.07m | — | 2025 |
| 30 | E-Vention 1341 Ottignies-Louvain-la-Neuve | 929,112 € | — | 881,890 € | — | 2025 |
| 31 | Wake Prediction Technologies 1348 Ottignies-Louvain-la-Neuve | 779,558 € | 492,809 € | 623,702 € | — | 2025 |
| 32 | ViaNova 1330 Rixensart | 768,240 € | — | 101,872 € | — | 2025 |
| 33 | Digital Dental Design Robotics 1410 Waterloo | 676,178 € | — | −264,597 € | — | 2025 |
| 34 | Rommel Consulting Partners 1370 Jodoigne | 670,764 € | — | 46,182 € | 0.5 | 2025 |
| 35 | JMJ Concept 1450 Chastre | 664,788 € | — | 552,219 € | — | 2025 |
| 36 | Alba3 1340 Ottignies-Louvain-la-Neuve | 660,076 € | — | 545,973 € | — | 2025 |
| 37 | Rhumat-OS 1410 Waterloo | 658,861 € | — | 599,124 € | — | 2025 |
| 38 | Ansers 1360 Perwez | 625,309 € | — | 411,722 € | 2.3 | 2025 |
| 39 | Sciempath Bio 1428 Braine-l'Alleud | 608,601 € | — | 286,424 € | — | 2024 |
| 40 | Syndesi Therapeutics 1300 Wavre | 607,532 € | — | −€129.9m | — | 2025 |
| 41 | BGTech project 1370 Jodoigne | 605,171 € | — | 293,746 € | — | 2025 |
| 42 | Stephane Delberghe (S.D.) 1490 Court-Saint-Étienne | 594,762 € | — | 438,554 € | — | 2025 |
| 43 | Semaphar 1370 Jodoigne | 579,404 € | — | 198,182 € | — | 2025 |
| 44 | Sintac 1400 Nivelles | 575,707 € | — | 557,380 € | — | 2025 |
| 45 | Des Grottes-Oleffe Comedic 1310 La Hulpe | 573,577 € | — | 528,308 € | — | 2025 |
| 46 | Medcot 1410 Waterloo | 542,923 € | — | 293,775 € | — | 2025 |
| 47 | MethodX 1410 Waterloo | 509,257 € | — | 294,164 € | — | 2025 |
| 48 | Crescendo 3 1348 Ottignies-Louvain-la-Neuve | 501,331 € | — | 269,844 € | 0.1 | 2025 |
| 49 | Ecsor 1450 Chastre | 456,113 € | — | 119,960 € | 0.8 | 2025 |
| 50 | Sanequine 1410 Waterloo | 450,764 € | — | 20,460 € | — | 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.
Scientific research and development 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 materials56
- 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 furniture81
- 32 Other manufacturing94
- 33 Repair, maintenance and installation of machinery and equipment87
- 35 Electricity, gas, steam and air conditioning supply41
- 37 Sewerage13
- 38 Waste collection, recovery and disposal activities21
- 41 Construction of residential and non-residential buildings593
- 42 Civil engineering71
- 43 Specialised construction activities1,985
- 46 Wholesale trade1,783
- 47 Retail trade2,144
- 49 Land transport and transport via pipelines250
- 51 Air transport15
- 52 Warehousing, storage and support activities for transportation80
- 53 Postal and courier activities11
- 55 Accommodation101
- 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 activities411
- 68 Real estate activities2,734
- 69 Legal and accounting activities1,163
- 70 Activities of head offices and management consultancy4,027
- 71 Architectural and engineering activities; technical testing and analysis907
- 73 Activities of advertising, market research and public relations1,027
- 74 Other professional, scientific and technical activities340
- 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 Education348
- 86 Human health activities2,542
- 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 motorcycles196
- 96 Personal service activities380
Municipalities with the most companies in the sector · Walloon Brabant
- 1410 Waterloo16
- 1300 Wavre (Limal)11
- 1348 Ottignies-Louvain-la-Neuve (Louvain-La-Neuve)9
- 1435 Mont-Saint-Guibert (Corbais, Hévillers)8
- 1380 Lasne (Couture-Saint-Germain, Lasne-Chapelle-Saint-Lambert, Maransart, …)7
- 1370 Jodoigne (Dongelberg, Jauchelette, Jodoigne-Souveraine, …)5
- 1400 Nivelles (Monstreux)5
- 1450 Chastre (Chastre-Villeroux-Blanmont, Cortil-Noirmont, Gentinnes, …)4
- 1330 Rixensart3
- 1402 Nivelles (Thines)3
- 1495 Villers-la-Ville (Marbais, Mellery, Sart-Dames-Avelines, …)3
- 1310 La Hulpe2
Frequently asked questions
Which is the largest company in Scientific research and development in Walloon Brabant?
By total assets, it is Ncardia Holding (€108.4m, financial year 2025).
How many companies in Scientific research and development in Walloon Brabant are ranked?
101 out of 105 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.
Analyse companies · Walloon Brabant
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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.