Computing infrastructure, data processing, hosting and other information service activities: largest employers
387 Belgian companies in the sector (NACE 63) report employees in recent accounts; here are the top 20. Smals leads with 2,222.6 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 | Smals 1060 Saint-Gilles | €288.2m | €578.9m | — | 2,222.6 | 2025 |
| 2 | Egov Select 1030 Schaerbeek | €37.7m | €122.2m | €9.21m | 998.7 | 2025 |
| 3 | Worldline 1130 Brussels | €3.74bn | €566.5m | €2.15bn | 544.0 | 2025 |
| 4 | Secrétariat Social Securex - Sociaal Sekretariaat Securex - Sozial Sekretariate für Arbeitgeber Securex 1040 Etterbeek | €269.3m | €103.5m | €70.1m | 440.6 | 2025 |
| 5 | crystal computing 7331 Saint-Ghislain | €5.33bn | €965.1m | €4.80bn | 155.5 | 2025 |
| 6 | Kpmg Central Services 1930 Zaventem | €31.9m | — | €1.12m | 145.9 | 2025 |
| 7 | Combell 9042 Ghent | €886.8m | €56.8m | €509.0m | 131.9 | 2025 |
| 8 | Clarivate Analytics (Belgium) 2600 Antwerp | €62.8m | €27.4m | €5.90m | 121.7 | 2025 |
| 9 | Ardena Gent 9030 Ghent | €58.8m | €26.7m | −502,518 € | 106.6 | 2025 |
| 10 | Service d'Information sur les Etudes et les Professions 4000 Liège | €3.24m | €1.60m | €1.97m | 67.4 | 2025 |
| 11 | Proximus Ada 1000 Brussels | €5.54m | €14.0m | €2.93m | 62.0 | 2023 |
| 12 | Deegital 4000 Liège | €3.26m | — | 111,320 € | 61.8 | 2025 |
| 13 | Bobex.COM 1080 Molenbeek-Saint-Jean | €6.47m | €8.43m | €4.75m | 59.5 | 2025 |
| 14 | GraydonCreditsafe Belgium 2600 Antwerp | €18.9m | €20.2m | €5.92m | 56.9 | 2025 |
| 15 | First Wave 1040 Etterbeek | €7.26m | €8.60m | €3.88m | 56.2 | 2025 |
| 16 | MyData-TRUST 1300 Wavre | €9.28m | €10.7m | €2.36m | 54.7 | 2025 |
| 17 | BUREAU D'EXPERTS Ph. DEPLASSE ET ASSOCIES 1170 Watermael-Boitsfort | €3.85m | — | 790,177 € | 52.9 | 2025 |
| 18 | Bancontact Company 1040 Brussels | €74.4m | €36.3m | €33.3m | 51.8 | 2025 |
| 19 | Salonkee 1421 Braine-l'Alleud | 554,969 € | €3.82m | −97,968 € | 50.0 | 2025 |
| 20 | IPEX 1480 Tubize | €44.5m | €31.7m | €23.1m | 49.1 | 2025 |
Headcount reported by the company for all its sites: the jobs may be located elsewhere.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Frequently asked questions
Who is the largest employer in Computing infrastructure, data processing, hosting and other information service activities?
Smals, with 2,222.6 full-time equivalents reported (financial year 2025).
How many Computing infrastructure, data processing, hosting and other information service activities companies report employees?
387 out of 3,671, in accounts less than 3 years old.
Analyse companies in Computing infrastructure, data processing, hosting and other information service 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 15 Oct 2026.