Ranking · Hainaut · NACE 62
Computer programming, consultancy and related activities: the largest companies in Hainaut
As of 12 Nov 2026, 1,357 companies in Computer programming, consultancy and related activities (NACE 62) in Hainaut publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €3.83bn, out of €4.21bn for all of them; median total assets are 128,424 €. Societe Wallonne du Logement leads with €3.48bn (financial year 2025).
Top 50 · Computer programming, consultancy and related activities · Hainaut
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 | Societe Wallonne du Logement 6000 Charleroi | €3.48bn | €10.0m | €663.9m | 206.7 | 2025 |
| 2 | Lisam EHS Software 7190 Écaussinnes | €226.0m | €1.67m | €223.0m | 9.3 | 2025 |
| 3 | Wavenet 7900 Leuze-en-Hainaut | €31.3m | €34.1m | €19.3m | 171.3 | 2025 |
| 4 | Lisam Connect 7190 Écaussinnes | €24.3m | €1.95m | €14.9m | 1.0 | 2025 |
| 5 | Les Pres Colin Invest 6220 Fleurus | €22.7m | 152,878 € | €1.05m | — | 2025 |
| 6 | Societe Belge d'Informatique Medicale 6032 Charleroi | €11.3m | €13.5m | €8.50m | 45.4 | 2025 |
| 7 | Magrathea 7390 Quaregnon | €9.36m | — | €9.04m | — | 2025 |
| 8 | Custy Holding 6530 Thuin | €9.09m | 154,161 € | €8.99m | — | 2025 |
| 9 | Fishing Cactus 7000 Mons | €8.43m | — | €3.35m | 27.0 | 2025 |
| 10 | ACAPELA GROUP BABEL Technologies 7011 Mons | €8.29m | €4.60m | €5.45m | 28.9 | 2025 |
| 11 | WVN 7971 Beloeil | €6.61m | 153,550 € | €6.57m | 1.8 | 2025 |
| 12 | Wallez 7971 Beloeil | €5.98m | €1.49m | €5.16m | 11.3 | 2025 |
| 13 | Cyanview 7861 Lessines | €5.38m | — | €4.81m | 7.0 | 2025 |
| 14 | DataPartners 6000 Charleroi | €5.18m | — | 472,478 € | — | 2025 |
| 15 | Vicofi 7700 Mouscron | €5.00m | — | €4.63m | — | 2025 |
| 16 | Bizzdev 7503 Tournai | €4.26m | — | €2.43m | 48.2 | 2025 |
| 17 | Icare-Soft 6030 Charleroi | €4.09m | — | €3.75m | 3.2 | 2024 |
| 18 | MY Gallery 7090 Braine-le-Comte | €3.35m | — | €3.12m | 2.0 | 2025 |
| 19 | Mielabelo 7000 Mons | €3.19m | — | €1.21m | 12.0 | 2025 |
| 20 | Lisam.Cloud 7190 Écaussinnes | €3.12m | €3.72m | €2.38m | — | 2025 |
| 21 | Gunfire Games Europe 6000 Charleroi | €3.11m | €5.39m | €2.43m | 32.9 | 2026 |
| 22 | Eonix 7000 Mons | €2.85m | — | 774,052 € | 51.5 | 2025 |
| 23 | B-Side 7540 Tournai | €2.84m | — | €1.69m | 12.6 | 2025 |
| 24 | M3 Conseils et Gestion 6220 Fleurus | €2.75m | — | €2.35m | — | 2025 |
| 25 | Le Réseau 6031 Charleroi | €2.56m | 15,038 € | 960,903 € | 34.4 | 2025 |
| 26 | Custy Belgium 6530 Thuin | €2.56m | €2.18m | €1.02m | 17.4 | 2025 |
| 27 | ICT-Square 7711 Mouscron | €2.51m | — | 187,210 € | 2.0 | 2025 |
| 28 | Hexos IT 7000 Mons | €2.47m | — | €1.38m | — | 2025 |
| 29 | Phoenix A.I. 7600 Péruwelz | €2.43m | — | €1.25m | 8.6 | 2025 |
| 30 | Cover Group 7601 Péruwelz | €2.40m | — | €1.74m | 7.8 | 2025 |
| 31 | Kaizoku Holding 7601 Péruwelz | €2.36m | — | €1.51m | — | 2025 |
| 32 | Cohabsys 6041 Charleroi | €2.26m | €1.28m | €1.04m | 6.6 | 2025 |
| 33 | F.D.P. Production 6001 Charleroi | €2.15m | — | €1.74m | — | 2025 |
| 34 | Web Market Solutions 7812 Ath | €2.09m | — | 813,852 € | 9.8 | 2025 |
| 35 | Delcampe Management 7830 Silly | €2.04m | — | 340,771 € | — | 2025 |
| 36 | Dalle ASM 7781 Comines-Warneton | €2.00m | 190,234 € | €1.09m | — | 2025 |
| 37 | BE-Care 6001 Charleroi | €1.95m | — | 436,441 € | 2.8 | 2025 |
| 38 | Achille Deribreux 7781 Comines-Warneton | €1.94m | — | 17,778 € | — | 2025 |
| 39 | Antopolis 7000 Mons | €1.94m | — | €1.48m | 0.3 | 2025 |
| 40 | Fimoges 7000 Mons | €1.91m | — | €1.88m | — | 2025 |
| 41 | Nohema 7700 Mouscron | €1.89m | — | 404,395 € | — | 2025 |
| 42 | On-Hertz 7022 Mons | €1.88m | — | 561,259 € | 4.6 | 2025 |
| 43 | MyQM 7503 Tournai | €1.83m | — | €1.44m | 3.0 | 2025 |
| 44 | Comase Services 6032 Charleroi | €1.83m | 915,636 € | €1.24m | 9.6 | 2025 |
| 45 | WalWeb Home & Garden 7190 Écaussinnes | €1.68m | 85,051 € | 367,926 € | — | 2025 |
| 46 | Underside 6041 Charleroi | €1.66m | — | 403,598 € | 6.7 | 2025 |
| 47 | QbD Wallonia 6041 Charleroi | €1.65m | — | €1.31m | 15.2 | 2025 |
| 48 | Centre d'Informatique du Hainaut 7000 Mons | €1.64m | €3.42m | 989,574 € | 30.5 | 2025 |
| 49 | Dexteris 7090 Braine-le-Comte | €1.63m | — | €1.39m | — | 2025 |
| 50 | Mark & Sign 7503 Tournai | €1.63m | — | 634,622 € | — | 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.
Computer programming, consultancy and related activities across Belgium → All sectors · Hainaut →
Other sectors · Hainaut
- 01 Crop and animal production, hunting and related service activities714
- 02 Forestry and logging56
- 08 Other mining and quarrying25
- 10 Manufacture of food products432
- 11 Manufacture of beverages73
- 13 Manufacture of textiles62
- 14 Manufacture of wearing apparel35
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials102
- 17 Manufacture of paper and paper products22
- 18 Printing and reproduction of recorded media147
- 20 Manufacture of chemicals and chemical products92
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations57
- 22 Manufacture of rubber and plastic products64
- 23 Manufacture of other non-metallic mineral products174
- 24 Manufacture of basic metals58
- 25 Manufacture of fabricated metal products, except machinery and equipment481
- 26 Manufacture of computer, electronic and optical products35
- 27 Manufacture of electrical equipment45
- 28 Manufacture of machinery and equipment n.e.c.99
- 29 Manufacture of motor vehicles, trailers and semi-trailers21
- 31 Manufacture of furniture64
- 32 Other manufacturing108
- 33 Repair, maintenance and installation of machinery and equipment199
- 35 Electricity, gas, steam and air conditioning supply78
- 37 Sewerage16
- 38 Waste collection, recovery and disposal activities117
- 39 Remediation activities and other waste management service activities10
- 41 Construction of residential and non-residential buildings1,392
- 42 Civil engineering146
- 43 Specialised construction activities3,558
- 46 Wholesale trade2,488
- 47 Retail trade4,229
- 49 Land transport and transport via pipelines675
- 50 Water transport17
- 51 Air transport12
- 52 Warehousing, storage and support activities for transportation161
- 53 Postal and courier activities56
- 55 Accommodation198
- 56 Food and beverage service activities2,152
- 58 Publishing activities71
- 59 Motion picture, video and television programme production, sound recording and music publishing activities115
- 60 Programming, broadcasting, news agency and other content distribution activities14
- 61 Telecommunication45
- 63 Computing infrastructure, data processing, hosting and other information service activities119
- 64 Financial service activities, except insurance and pension funding1,132
- 65 Insurance, reinsurance and pension funding, except compulsory social security29
- 66 Activities auxiliary to financial services and insurance activities788
- 68 Real estate activities3,552
- 69 Legal and accounting activities1,511
- 70 Activities of head offices and management consultancy2,584
- 71 Architectural and engineering activities; technical testing and analysis1,007
- 72 Scientific research and development89
- 73 Activities of advertising, market research and public relations543
- 74 Other professional, scientific and technical activities304
- 75 Veterinary activities179
- 77 Rental and leasing activities249
- 78 Employment activities62
- 79 Travel agency, tour operator and other reservation service and related activities93
- 80 Investigation and security activities44
- 81 Services to buildings and landscape activities525
- 82 Office administrative, office support and other business support activities651
- 85 Education436
- 86 Human health activities4,824
- 87 Residential care activities325
- 88 Social work activities without accommodation176
- 90 Arts creation and performing arts activities149
- 91 Libraries, archives, museums and other cultural activities21
- 92 Gambling and betting activities19
- 93 Sports activities and amusement and recreation activities349
- 94 Activities of membership organisations91
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles372
- 96 Personal service activities628
Municipalities with the most companies in the sector · Hainaut
- 7000 Mons84
- 7090 Braine-le-Comte (Hennuyères, Henripont, Petit-Roeulx-Lez-Braine, …)50
- 7850 Enghien (Marcq, Petit-Enghien)45
- 7500 Tournai (Ere, Saint-Maur)38
- 6230 Pont-à-Celles (Buzet, Obaix, Thiméon, …)35
- 7100 La Louvière (Haine-Saint-Paul, Haine-Saint-Pierre, Saint-Vaast, …)34
- 7060 Soignies (Horrues)33
- 7110 La Louvière (Boussoit, Houdeng-Aimeries, Houdeng-Goegnies, …)32
- 6000 Charleroi29
- 7830 Silly (Bassilly, Fouleng, Gondregnies, …)28
- 6001 Charleroi (Marcinelle)26
- 7011 Mons (Ghlin)22
Frequently asked questions
Which is the largest company in Computer programming, consultancy and related activities in Hainaut?
By total assets, it is Societe Wallonne du Logement (€3.48bn, financial year 2025).
How many companies in Computer programming, consultancy and related activities in Hainaut are ranked?
1,357 out of 1,378 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 12 Nov 2026.