Ranking · Wallonia · NACE 82
Office administrative, office support and other business support activities: highest revenue in Wallonia
As of 14 Nov 2026, 180 companies in Office administrative, office support and other business support activities (NACE 82) in Wallonia publish their revenue in recent accounts (financial years 2023 to 2026). The top 10 account for €328.8m, out of €426.3m for all of them; median revenue is 125,460 €. Secrétariat Social des Classes Moyennes leads with €57.9m (financial year 2025).
Top 50 · Office administrative, office support and other business support activities · Wallonia
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Secrétariat Social des Classes Moyennes 5100 Namur | €128.3m | €57.9m | €17.2m | 405.4 | 2025 |
| 2 | Conception, Etudes et Cooperation de Formation 4020 Liège | €35.9m | €46.6m | €5.01m | 43.1 | 2024 |
| 3 | Ikanbi Belgium 4000 Liège | €11.3m | €44.8m | −€2.75m | 393.6 | 2024 |
| 4 | N-Allo 6041 Charleroi | €16.9m | €44.8m | €10.3m | 474.7 | 2025 |
| 5 | Profirst International 1330 Rixensart | €22.4m | €44.2m | €11.6m | 56.3 | 2025 |
| 6 | Tarifica Soins 6150 Anderlues | €4.82m | €29.5m | €1.93m | 6.5 | 2025 |
| 7 | Wallonie Bruxelles Contact Center 4430 Ans | €11.0m | €29.0m | €6.43m | 360.4 | 2025 |
| 8 | Folks Events 4020 Liège | €3.97m | €11.5m | 140,126 € | 17.9 | 2024 |
| 9 | Baxter Services Europe 7860 Lessines | €20.5m | €10.7m | €2.66m | 40.3 | 2025 |
| 10 | Comnexio 6041 Charleroi | €2.76m | €9.93m | 25,000 € | 147.9 | 2025 |
| 11 | EOS CONTENTIA Belgium 7700 Mouscron | €8.35m | €9.10m | €3.17m | 53.8 | 2026 |
| 12 | ARTO 1300 Wavre | €6.57m | €7.32m | €5.41m | 9.8 | 2025 |
| 13 | Chateauform’ Belgique 1370 Jodoigne | €3.02m | €6.91m | 70,032 € | 46.8 | 2025 |
| 14 | Venturis 1480 Tubize | €15.4m | €6.63m | €8.94m | 2.9 | 2025 |
| 15 | JV Westinghouse Electric Belgium - Robatel Industries 1400 Nivelles | €1.43m | €4.58m | 3 € | — | 2025 |
| 16 | Ethias Solution 4000 Liège | €6.60m | €4.14m | €4.50m | — | 2025 |
| 17 | Cogenfin 4340 Awans | €14.8m | €4.13m | 216,175 € | — | 2025 |
| 18 | Icebox Belgium Holdings 7700 Mouscron | €263.1m | €3.82m | €100.8m | — | 2025 |
| 19 | SST Secretariat Social 7500 Tournai | €38.2m | €3.51m | €18.8m | 26.0 | 2025 |
| 20 | Leading 5030 Gembloux | 357,960 € | €2.56m | 175,146 € | — | 2025 |
| 21 | Deufol Waremme 4300 Waremme | €18.3m | €2.37m | €8.62m | — | 2025 |
| 22 | Enjeu 4031 Liège | 915,786 € | €2.31m | 153,292 € | 7.9 | 2025 |
| 23 | Constellation Holding Belgium 7700 Mouscron | €70.6m | €2.14m | €36.5m | — | 2024 |
| 24 | DPS International 4031 Liège | 863,055 € | €2.13m | 55,349 € | — | 2025 |
| 25 | Teriloto 7322 Bernissart | 981,088 € | €2.01m | 834,644 € | — | 2025 |
| 26 | Soleo Contact Tournai 7522 Tournai | 248,448 € | €1.76m | −203,103 € | 21.4 | 2023 |
| 27 | Procure1 4000 Liège | €1.09m | €1.62m | 432,485 € | — | 2025 |
| 28 | Réseau Solidaris 4100 Seraing | €4.28m | €1.38m | €4.17m | 3.8 | 2025 |
| 29 | Opus-Invest 5590 Ciney | €34.4m | €1.28m | €29.9m | — | 2025 |
| 30 | B-Entra 6220 Fleurus | 630,978 € | €1.26m | 415,585 € | 27.2 | 2025 |
| 31 | Pardis 5030 Gembloux | €116.7m | €1.14m | €65.4m | — | 2024 |
| 32 | Maison de la culture de Tournai - Centre culturel,centre scénique et centre d'expression et de créativité 7500 Tournai | €2.16m | €1.13m | €1.37m | 31.2 | 2025 |
| 33 | Eloy PPE Invest 4920 Aywaille | €11.0m | €1.00m | €8.13m | — | 2025 |
| 34 | VDH Groupe 4800 Verviers | €11.1m | 913,385 € | €7.69m | 8.5 | 2025 |
| 35 | Del Diffusion 1300 Wavre | €1.89m | 865,806 € | 665,238 € | — | 2025 |
| 36 | Piodis 1410 Waterloo | €4.69m | 863,383 € | 487,869 € | — | 2025 |
| 37 | Probalys 6030 Charleroi | 176,470 € | 809,584 € | −34,135 € | 14.2 | 2024 |
| 38 | Aquilaurus 5574 Beauraing | 436,809 € | 765,982 € | 236,869 € | — | 2025 |
| 39 | Formations Repere 1400 Nivelles | 277,829 € | 674,530 € | 75,312 € | 1.8 | 2025 |
| 40 | Services Management Formation 4430 Ans | 783,066 € | 666,911 € | 437,728 € | 8.9 | 2025 |
| 41 | Formanac 6530 Thuin | 421,214 € | 617,482 € | 306,592 € | 0.5 | 2025 |
| 42 | Night and DAY Admin 5000 Namur | 41,717 € | 609,897 € | −104,714 € | 13.3 | 2025 |
| 43 | Power Maker 1472 Genappe | 275,515 € | 559,535 € | 215,679 € | 5.4 | 2025 |
| 44 | Healthy Holding 5032 Gembloux | €14.0m | 528,559 € | €11.2m | — | 2025 |
| 45 | GADICé 6800 Libramont-Chevigny | 184,874 € | 512,521 € | 58,765 € | — | 2025 |
| 46 | DDS Retail 6041 Charleroi | 89,874 € | 470,766 € | 16,948 € | 10.4 | 2025 |
| 47 | LS Verhoeven Claudine 4280 Hannut | 511,075 € | 441,152 € | 321,437 € | 1.4 | 2025 |
| 48 | Business Center Wierde 5100 Namur | €2.00m | 436,082 € | 659,336 € | 2.0 | 2025 |
| 49 | Auxisocial 4140 Sprimont | 289,497 € | 400,877 € | 119,763 € | — | 2025 |
| 50 | Mons.Expo 7000 Mons | €15.9m | 397,008 € | €6.45m | 1.0 | 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.
Office administrative, office support and other business support activities across Belgium → All sectors · Wallonia →
Other sectors · Wallonia
- 01 Crop and animal production, hunting and related service activities240
- 02 Forestry and logging49
- 08 Other mining and quarrying37
- 10 Manufacture of food products214
- 11 Manufacture of beverages37
- 13 Manufacture of textiles28
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials61
- 17 Manufacture of paper and paper products15
- 18 Printing and reproduction of recorded media47
- 20 Manufacture of chemicals and chemical products80
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations46
- 22 Manufacture of rubber and plastic products42
- 23 Manufacture of other non-metallic mineral products86
- 24 Manufacture of basic metals43
- 25 Manufacture of fabricated metal products, except machinery and equipment180
- 26 Manufacture of computer, electronic and optical products38
- 27 Manufacture of electrical equipment36
- 28 Manufacture of machinery and equipment n.e.c.71
- 29 Manufacture of motor vehicles, trailers and semi-trailers16
- 30 Manufacture of other transport equipment13
- 31 Manufacture of furniture26
- 32 Other manufacturing39
- 33 Repair, maintenance and installation of machinery and equipment53
- 35 Electricity, gas, steam and air conditioning supply64
- 37 Sewerage13
- 38 Waste collection, recovery and disposal activities64
- 41 Construction of residential and non-residential buildings401
- 42 Civil engineering77
- 43 Specialised construction activities959
- 46 Wholesale trade927
- 47 Retail trade1,359
- 49 Land transport and transport via pipelines246
- 52 Warehousing, storage and support activities for transportation104
- 53 Postal and courier activities19
- 55 Accommodation117
- 56 Food and beverage service activities565
- 58 Publishing activities38
- 59 Motion picture, video and television programme production, sound recording and music publishing activities53
- 61 Telecommunication18
- 62 Computer programming, consultancy and related activities309
- 63 Computing infrastructure, data processing, hosting and other information service activities31
- 64 Financial service activities, except insurance and pension funding321
- 66 Activities auxiliary to financial services and insurance activities127
- 68 Real estate activities852
- 69 Legal and accounting activities276
- 70 Activities of head offices and management consultancy642
- 71 Architectural and engineering activities; technical testing and analysis267
- 72 Scientific research and development36
- 73 Activities of advertising, market research and public relations111
- 74 Other professional, scientific and technical activities57
- 75 Veterinary activities39
- 77 Rental and leasing activities59
- 78 Employment activities39
- 79 Travel agency, tour operator and other reservation service and related activities32
- 80 Investigation and security activities15
- 81 Services to buildings and landscape activities144
- 84 Public administration and defence; compulsory social security13
- 85 Education314
- 86 Human health activities580
- 87 Residential care activities201
- 88 Social work activities without accommodation174
- 90 Arts creation and performing arts activities95
- 91 Libraries, archives, museums and other cultural activities20
- 92 Gambling and betting activities12
- 93 Sports activities and amusement and recreation activities118
- 94 Activities of membership organisations100
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles130
- 96 Personal service activities171
Municipalities with the most companies in the sector · Wallonia
- 4000 Liège (Glain, Rocourt)74
- 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
- 5100 Namur (Dave, Jambes, Naninne, …)29
- 4020 Liège (Bressoux, Jupille-Sur-Meuse, Wandre)28
- 7500 Tournai (Ere, Saint-Maur)28
- 7700 Mouscron (Luingne)28
- 7000 Mons26
Frequently asked questions
Which company in Office administrative, office support and other business support activities in Wallonia has the highest revenue?
Secrétariat Social des Classes Moyennes, with €57.9m 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 180 that publish it, out of 2,415 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.
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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.