Computer programming, consultancy and related activities: largest employers
4,742 Belgian companies in the sector (NACE 62) report employees in recent accounts; here are the top 20. Mastercard Europe leads with 2,358.7 FTE (financial year 2025).
Top 20
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Mastercard Europe 1410 Waterloo | €6.08bn | €9.63bn | €657.8m | 2,358.7 | 2025 |
| 2 | Capgemini Belgium 1831 Machelen (Brab.) | €170.9m | €346.7m | €38.2m | 1,800.2 | 2025 |
| 3 | Sopra Steria Belgium 1050 Ixelles | €245.4m | €290.3m | €106.7m | 1,710.0 | 2025 |
| 4 | Delaware Consulting 8500 Kortrijk | €153.3m | €307.6m | €2.11m | 1,478.2 | 2025 |
| 5 | Inetum Belgium 2800 Mechelen | €133.0m | €239.7m | €58.9m | 1,074.5 | 2025 |
| 6 | Network Research Belgium 4040 Herstal | €306.6m | €356.7m | €206.2m | 915.0 | 2025 |
| 7 | ALTEN Belgium 1060 Saint-Gilles | €36.0m | €79.7m | €15.9m | 717.6 | 2025 |
| 8 | NSI IT Software & Services 4340 Awans | €122.3m | €153.9m | €35.5m | 685.0 | 2025 |
| 9 | OM Partners 2160 Wommelgem | €253.5m | €219.2m | €192.6m | 655.6 | 2025 |
| 10 | IRISteam 1210 Saint-Josse-ten-Noode | €35.0m | €86.7m | — | 619.3 | 2025 |
| 11 | Microsoft 1930 Zaventem | €1.28bn | €1.65bn | €143.8m | 528.4 | 2025 |
| 12 | EASI 1400 Nivelles | €86.6m | €123.4m | €1.94m | 478.8 | 2025 |
| 13 | YPTO 1070 Anderlecht | €40.0m | €140.2m | €12.7m | 445.0 | 2025 |
| 14 | iO Belgium 2200 Herentals | €109.2m | €78.9m | €20.0m | 428.6 | 2025 |
| 15 | Liantis corporate 8000 Bruges | €37.5m | €95.5m | €2.74m | 411.0 | 2025 |
| 16 | Cegeka Groep 3500 Hasselt | €307.7m | €117.6m | €59.7m | 403.0 | 2025 |
| 17 | Pauwels Consulting 1831 Machelen (Brab.) | €49.7m | €89.2m | €22.3m | 386.2 | 2025 |
| 18 | Cisco Systems Belgium 1831 Machelen (Brab.) | €66.4m | €177.9m | €9.26m | 383.9 | 2025 |
| 19 | Cipal Schaubroeck 2260 Westerlo | €53.4m | €95.7m | €14.4m | 375.9 | 2025 |
| 20 | Mutual IT 1070 Anderlecht | €29.0m | €85.7m | 424,765 € | 366.9 | 2025 |
Headcount reported by the company for all its sites: the jobs may be located elsewhere.
← The whole Computer programming, consultancy and related activities sector
Frequently asked questions
Who is the largest employer in Computer programming, consultancy and related activities?
Mastercard Europe, with 2,358.7 full-time equivalents reported (financial year 2025).
How many Computer programming, consultancy and related activities companies report employees?
4,742 out of 28,949, in accounts less than 3 years old.
Analyse companies in Computer programming, consultancy and related activities
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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 10 Nov 2026.