Ranking · Walloon Brabant · NACE 82
Office administrative, office support and other business support activities: the largest companies in Walloon Brabant
As of 14 Nov 2026, 641 companies in Office administrative, office support and other business support activities (NACE 82) in Walloon Brabant publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €162.0m, out of €413.5m for all of them; median total assets are 123,473 €. SDI Real Estate leads with €37.1m (financial year 2025).
Top 50 · Office administrative, office support and other business support 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 | SDI Real Estate 1380 Lasne | €37.1m | — | €36.6m | — | 2025 |
| 2 | Upsilon Consult 1421 Braine-l'Alleud | €28.8m | — | €28.8m | — | 2025 |
| 3 | Profirst International 1330 Rixensart | €22.4m | €44.2m | €11.6m | 56.3 | 2025 |
| 4 | BVI.EU Greenpark ANS 1300 Wavre | €17.0m | — | −343,082 € | — | 2025 |
| 5 | Venturis 1480 Tubize | €15.4m | €6.63m | €8.94m | 2.9 | 2025 |
| 6 | Brio-Top 1300 Wavre | €10.2m | — | €6.39m | — | 2025 |
| 7 | Villers Gosselin Immobilière 1342 Ottignies-Louvain-la-Neuve | €8.61m | — | 407,656 € | — | 2025 |
| 8 | Notre Village Solutions 1421 Braine-l'Alleud | €8.55m | — | €7.19m | — | 2025 |
| 9 | NOW to NOW 1300 Wavre | €7.31m | — | €3.18m | — | 2025 |
| 10 | Prodel 1380 Lasne | €6.67m | — | €3.14m | — | 2025 |
| 11 | ARTO 1300 Wavre | €6.57m | €7.32m | €5.41m | 9.8 | 2025 |
| 12 | La Châtaigneraie 1460 Ittre | €6.06m | — | €1.88m | — | 2025 |
| 13 | Provego 1301 Wavre | €5.92m | — | €2.91m | — | 2025 |
| 14 | V.B.S.+ 1480 Tubize | €5.61m | — | €5.53m | — | 2025 |
| 15 | Sports Ventures 1410 Waterloo | €5.10m | — | −€3.12m | — | 2025 |
| 16 | LLN Services 1348 Ottignies-Louvain-la-Neuve | €4.81m | — | €1.51m | — | 2025 |
| 17 | B.W. Center 1435 Mont-Saint-Guibert | €4.72m | — | €4.72m | — | 2025 |
| 18 | Piodis 1410 Waterloo | €4.69m | 863,383 € | 487,869 € | — | 2025 |
| 19 | M2 Investments 1380 Lasne | €4.69m | — | €3.22m | — | 2025 |
| 20 | HBF Invest 1461 Ittre | €4.57m | — | €3.38m | — | 2026 |
| 21 | Radiateurs Electriques Rocourt 1470 Genappe | €4.35m | — | 913,339 € | — | 2025 |
| 22 | Immo Bustin 1300 Wavre | €4.24m | — | −362,179 € | — | 2025 |
| 23 | L'Immobiliere des Aclots 1400 Nivelles | €3.89m | — | €2.04m | — | 2025 |
| 24 | CAP Horn Invest 1330 Rixensart | €3.53m | — | 577,561 € | — | 2025 |
| 25 | FX3 1360 Perwez | €3.17m | — | 595,800 € | 5.0 | 2025 |
| 26 | Chateauform’ Belgique 1370 Jodoigne | €3.02m | €6.91m | 70,032 € | 46.8 | 2025 |
| 27 | Organisation of Functionnal Constructions 1370 Jodoigne | €2.98m | — | €2.56m | — | 2025 |
| 28 | Alpha Innovations Business Center 1348 Ottignies-Louvain-la-Neuve | €2.66m | — | 437,119 € | — | 2025 |
| 29 | Bois des Carmes 1300 Wavre | €2.64m | — | €1.46m | — | 2025 |
| 30 | Rosy Management 1325 Chaumont-Gistoux | €2.61m | — | 666,563 € | — | 2025 |
| 31 | ONE Services 1421 Braine-l'Alleud | €2.50m | — | 177,759 € | — | 2025 |
| 32 | Nolymmo 1440 Braine-le-Château | €2.35m | — | €1.21m | 5.1 | 2025 |
| 33 | Compagnie du LAC 1348 Ottignies-Louvain-la-Neuve | €2.26m | — | 2,870 € | 2.0 | 2025 |
| 34 | Alpha Investment 1420 Braine-l'Alleud | €2.17m | — | €1.29m | — | 2026 |
| 35 | Belart & Co 1301 Wavre | €2.13m | — | 921,943 € | — | 2025 |
| 36 | PB Management 1420 Braine-l'Alleud | €2.13m | — | €1.39m | — | 2025 |
| 37 | Trolak 1370 Jodoigne | €1.99m | — | 270,400 € | — | 2025 |
| 38 | Del Diffusion 1300 Wavre | €1.89m | 865,806 € | 665,238 € | — | 2025 |
| 39 | Merimmo 1400 Nivelles | €1.85m | — | −120,293 € | — | 2025 |
| 40 | Rights'Up 1460 Ittre | €1.79m | — | 26,606 € | 6.8 | 2025 |
| 41 | Pro-Vision Management 1400 Nivelles | €1.75m | — | 309,862 € | — | 2025 |
| 42 | Home & Co 1315 Incourt | €1.74m | 201,038 € | −31,808 € | — | 2025 |
| 43 | J.M.B. Holding 1320 Beauvechain | €1.64m | — | €1.12m | — | 2025 |
| 44 | Proteo 1348 Ottignies-Louvain-la-Neuve | €1.62m | — | 948,161 € | 2.4 | 2025 |
| 45 | Bedrijf Invest 1370 Jodoigne | €1.52m | — | €1.10m | — | 2025 |
| 46 | TREG 1332 Rixensart | €1.48m | — | €1.40m | — | 2026 |
| 47 | A.T.P. 1390 Grez-Doiceau | €1.46m | — | €1.36m | — | 2025 |
| 48 | Sebinox 1490 Court-Saint-Étienne | €1.44m | — | 171,660 € | — | 2024 |
| 49 | Adaequatio 1420 Braine-l'Alleud | €1.44m | — | 106,445 € | — | 2025 |
| 50 | JV Westinghouse Electric Belgium - Robatel Industries 1400 Nivelles | €1.43m | €4.58m | 3 € | — | 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.
Office administrative, office support and other business support 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
- 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
- 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 Waterloo69
- 1380 Lasne (Couture-Saint-Germain, Lasne-Chapelle-Saint-Lambert, Maransart, …)55
- 1300 Wavre (Limal)53
- 1420 Braine-l'Alleud47
- 1325 Chaumont-Gistoux (Bonlez, Corroy-Le-Grand, Dion-Valmont, …)35
- 1400 Nivelles (Monstreux)32
- 1370 Jodoigne (Dongelberg, Jauchelette, Jodoigne-Souveraine, …)24
- 1332 Rixensart (Genval)23
- 1390 Grez-Doiceau (Archennes, Biez, Bossut-Gottechain, …)23
- 1435 Mont-Saint-Guibert (Corbais, Hévillers)19
- 1480 Tubize (Clabecq, Oisquercq, Saintes)18
- 1330 Rixensart17
Frequently asked questions
Which is the largest company in Office administrative, office support and other business support activities in Walloon Brabant?
By total assets, it is SDI Real Estate (€37.1m, financial year 2025).
How many companies in Office administrative, office support and other business support activities in Walloon Brabant are ranked?
641 out of 654 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.