Ranking · Flemish Brabant · NACE 62
Computer programming, consultancy and related activities: the largest companies in Flemish Brabant
As of 12 Nov 2026, 4,615 companies in Computer programming, consultancy and related activities (NACE 62) in Flemish Brabant publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €2.88bn, out of €6.83bn for all of them; median total assets are 163,696 €. Microsoft leads with €1.28bn (financial year 2025).
Top 50 · Computer programming, consultancy and related activities · Flemish 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 | Microsoft 1930 Zaventem | €1.28bn | €1.65bn | €143.8m | 528.4 | 2025 |
| 2 | SAP Belgium - Systems Applications and Products 1831 Machelen (Brab.) | €286.1m | €536.0m | €22.3m | 300.7 | 2025 |
| 3 | Atos Belgium 1930 Zaventem | €203.9m | €197.1m | €101.1m | 228.2 | 2025 |
| 4 | Microsoft 2354 Belgium 1930 Zaventem | €187.5m | — | €19.0m | 18.8 | 2025 |
| 5 | Eviden Belgium 1930 Zaventem | €179.4m | €151.9m | €93.6m | 333.6 | 2025 |
| 6 | Interxion Belgium 1930 Zaventem | €173.8m | €48.9m | €44.1m | 41.5 | 2024 |
| 7 | Capgemini Belgium 1831 Machelen (Brab.) | €170.9m | €346.7m | €38.2m | 1,800.2 | 2025 |
| 8 | Kyndryl Belgium 1831 Machelen (Brab.) | €167.1m | €213.9m | €40.3m | 163.3 | 2026 |
| 9 | Tata Consultancy Services Belgium 1932 Zaventem | €121.1m | €275.8m | €45.7m | 186.0 | 2026 |
| 10 | Alpega 1930 Zaventem | €107.6m | €2.71m | €66.1m | 20.4 | 2025 |
| 11 | The Capital Markets Company 1831 Machelen (Brab.) | €106.1m | €8.57m | €67.6m | 46.0 | 2025 |
| 12 | EverESSt 3000 Leuven | €96.8m | 170,925 € | €67.2m | — | 2025 |
| 13 | Informex 1950 Kraainem | €94.0m | €94.1m | €19.2m | 11.5 | 2025 |
| 14 | Clear2PAY Belgium 1831 Machelen (Brab.) | €93.0m | €35.4m | €66.7m | 109.7 | 2025 |
| 15 | Pyramid 1831 Machelen (Brab.) | €88.3m | €6.11m | €20.2m | 9.2 | 2025 |
| 16 | HCL Technologies Belgium 1932 Zaventem | €82.3m | €113.9m | €16.9m | 179.3 | 2025 |
| 17 | Exact Software Belgium 1780 Wemmel | €77.0m | €75.7m | €39.1m | 130.5 | 2025 |
| 18 | Mediagenix 1702 Dilbeek | €72.4m | €44.1m | €41.7m | 138.8 | 2025 |
| 19 | Dstny Global Services BE 1930 Zaventem | €72.4m | €2.63m | €60.9m | 21.5 | 2025 |
| 20 | Clear2PAY 1831 Machelen (Brab.) | €69.9m | — | €63.9m | — | 2025 |
| 21 | Cisco Systems Belgium 1831 Machelen (Brab.) | €66.4m | €177.9m | €9.26m | 383.9 | 2025 |
| 22 | Computacenter 1930 Zaventem | €59.5m | €160.2m | €19.2m | 212.2 | 2025 |
| 23 | Etex New Ways 1930 Zaventem | €56.6m | 681,631 € | €49.4m | 4.5 | 2025 |
| 24 | Line - Management 3090 Overijse | €56.5m | — | €48.1m | — | 2025 |
| 25 | NV SAS Institute SA 3080 Tervuren | €56.4m | €47.2m | €8.29m | 97.4 | 2025 |
| 26 | Pauwels Consulting 1831 Machelen (Brab.) | €49.7m | €89.2m | €22.3m | 386.2 | 2025 |
| 27 | Randstad Digital Belgium 3012 Leuven | €40.0m | €55.8m | €22.1m | 345.7 | 2025 |
| 28 | Ilias Solutions 1831 Machelen (Brab.) | €39.8m | €43.7m | €5.36m | 30.6 | 2025 |
| 29 | Gartner Belgium 1930 Zaventem | €39.3m | €54.2m | €8.40m | 80.5 | 2025 |
| 30 | GuardSquare 3000 Leuven | €38.5m | €29.1m | €5.11m | 103.9 | 2025 |
| 31 | Computer Task Group Belgium 1831 Machelen (Brab.) | €36.1m | €53.3m | €20.9m | 300.3 | 2025 |
| 32 | Deparco 3001 Leuven | €34.4m | — | €18.9m | 6.0 | 2025 |
| 33 | TUI Technology 1930 Zaventem | €31.5m | €18.5m | €22.1m | 71.8 | 2025 |
| 34 | TRAX 1831 Machelen (Brab.) | €29.6m | €4.87m | €21.5m | 54.4 | 2025 |
| 35 | Merkator 1731 Asse | €28.3m | €13.3m | €2.91m | 56.4 | 2025 |
| 36 | AE 3001 Leuven | €27.3m | €64.8m | €9.10m | 336.0 | 2025 |
| 37 | Harvey Nash IT Consulting 1853 Grimbergen | €27.2m | €94.1m | €8.88m | 60.0 | 2026 |
| 38 | Monni 1930 Zaventem | €25.7m | €2.82m | €20.4m | — | 2025 |
| 39 | Nomios Belgium 1930 Zaventem | €25.0m | €20.3m | €6.30m | 18.0 | 2025 |
| 40 | Vhinvest 3000 Leuven | €24.3m | — | €24.3m | — | 2025 |
| 41 | Mphasis Belgium 1930 Zaventem | €21.4m | €20.0m | €13.6m | 44.6 | 2025 |
| 42 | Summit Ventures 1930 Zaventem | €19.9m | — | €4.19m | — | 2025 |
| 43 | ARHS Developments Belgium 1930 Zaventem | €18.0m | €33.1m | €4.28m | 244.0 | 2025 |
| 44 | Devoteam 1831 Machelen (Brab.) | €18.0m | €51.0m | €5.64m | 332.0 | 2025 |
| 45 | Project Engineering and Contracting 3001 Leuven | €18.0m | €14.6m | 261,585 € | 70.4 | 2025 |
| 46 | Luciad 3001 Leuven | €18.0m | €15.6m | €14.4m | 68.8 | 2024 |
| 47 | Oqton Belgium 3001 Leuven | €17.8m | 586,987 € | 186,638 € | 35.1 | 2023 |
| 48 | HertBelgium 1853 Grimbergen | €17.6m | €12.4m | €8.11m | 34.5 | 2025 |
| 49 | Amadeus Benelux 1831 Machelen (Brab.) | €17.2m | €38.3m | €9.05m | 98.8 | 2025 |
| 50 | Easics 3000 Leuven | €17.1m | — | €17.0m | — | 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 · Flemish Brabant →
Other sectors · Flemish Brabant
- 01 Crop and animal production, hunting and related service activities578
- 02 Forestry and logging32
- 08 Other mining and quarrying13
- 10 Manufacture of food products445
- 11 Manufacture of beverages78
- 13 Manufacture of textiles43
- 14 Manufacture of wearing apparel33
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials120
- 17 Manufacture of paper and paper products32
- 18 Printing and reproduction of recorded media210
- 20 Manufacture of chemicals and chemical products56
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations38
- 22 Manufacture of rubber and plastic products65
- 23 Manufacture of other non-metallic mineral products103
- 24 Manufacture of basic metals23
- 25 Manufacture of fabricated metal products, except machinery and equipment387
- 26 Manufacture of computer, electronic and optical products95
- 27 Manufacture of electrical equipment77
- 28 Manufacture of machinery and equipment n.e.c.150
- 29 Manufacture of motor vehicles, trailers and semi-trailers40
- 30 Manufacture of other transport equipment17
- 31 Manufacture of furniture116
- 32 Other manufacturing156
- 33 Repair, maintenance and installation of machinery and equipment333
- 35 Electricity, gas, steam and air conditioning supply74
- 37 Sewerage26
- 38 Waste collection, recovery and disposal activities75
- 39 Remediation activities and other waste management service activities22
- 41 Construction of residential and non-residential buildings3,658
- 42 Civil engineering294
- 43 Specialised construction activities6,322
- 46 Wholesale trade3,994
- 47 Retail trade4,704
- 49 Land transport and transport via pipelines1,858
- 50 Water transport11
- 51 Air transport33
- 52 Warehousing, storage and support activities for transportation305
- 53 Postal and courier activities135
- 55 Accommodation230
- 56 Food and beverage service activities2,726
- 58 Publishing activities167
- 59 Motion picture, video and television programme production, sound recording and music publishing activities359
- 60 Programming, broadcasting, news agency and other content distribution activities37
- 61 Telecommunication98
- 63 Computing infrastructure, data processing, hosting and other information service activities522
- 64 Financial service activities, except insurance and pension funding2,304
- 65 Insurance, reinsurance and pension funding, except compulsory social security22
- 66 Activities auxiliary to financial services and insurance activities812
- 68 Real estate activities4,994
- 69 Legal and accounting activities2,572
- 70 Activities of head offices and management consultancy7,646
- 71 Architectural and engineering activities; technical testing and analysis1,570
- 72 Scientific research and development142
- 73 Activities of advertising, market research and public relations1,741
- 74 Other professional, scientific and technical activities558
- 75 Veterinary activities194
- 77 Rental and leasing activities320
- 78 Employment activities236
- 79 Travel agency, tour operator and other reservation service and related activities123
- 80 Investigation and security activities62
- 81 Services to buildings and landscape activities1,143
- 82 Office administrative, office support and other business support activities1,796
- 84 Public administration and defence; compulsory social security16
- 85 Education544
- 86 Human health activities4,952
- 87 Residential care activities104
- 88 Social work activities without accommodation191
- 90 Arts creation and performing arts activities397
- 91 Libraries, archives, museums and other cultural activities27
- 92 Gambling and betting activities22
- 93 Sports activities and amusement and recreation activities481
- 94 Activities of membership organisations117
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles524
- 96 Personal service activities1,095
Municipalities with the most companies in the sector · Flemish Brabant
- 3001 Leuven (Heverlee)207
- 3000 Leuven196
- 1930 Zaventem (Nossegem)174
- 3090 Overijse155
- 3010 Leuven (Kessel Lo)144
- 1800 Vilvoorde (Peutie)133
- 3020 Herent (Veltem-Beisem, Winksele)123
- 3080 Tervuren (Duisburg, Vossem)97
- 3300 Tienen (Bost, Goetsenhoven, Hakendover, …)89
- 1831 Machelen (Brab.) (Diegem)86
- 3140 Keerbergen82
- 1730 Asse (Bekkerzeel, Kobbegem, Mollem)77
Frequently asked questions
Which is the largest company in Computer programming, consultancy and related activities in Flemish Brabant?
By total assets, it is Microsoft (€1.28bn, financial year 2025).
How many companies in Computer programming, consultancy and related activities in Flemish Brabant are ranked?
4,615 out of 4,665 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.