Other information technology and computer service activities: highest published revenue
93 Belgian companies in the sector (NACE 6290) publish their revenue in recent accounts; here are the top 20. Mastercard Europe leads with €9.63bn (financial year 2025).
Top 20
Ranked by revenue published 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 | Network Research Belgium 4040 Herstal | €306.6m | €356.7m | €206.2m | 915.0 | 2025 |
| 3 | Google Belgium 1040 Brussels | €104.6m | €95.8m | €77.8m | 143.6 | 2025 |
| 4 | Service Organisatie Nascholing Joint Venture en Administratie 2060 Antwerp | €36.5m | €74.3m | €7.46m | 31.2 | 2025 |
| 5 | Econocom Lease 1050 Ixelles | €68.8m | €68.8m | €16.3m | 24.3 | 2025 |
| 6 | Collaboration Betters The World 1060 Saint-Gilles | €58.8m | €62.8m | €11.7m | 319.1 | 2025 |
| 7 | Interxion Belgium 1930 Zaventem | €173.8m | €48.9m | €44.1m | 41.5 | 2024 |
| 8 | Ernst & Young Advisory Services 1831 Machelen (Brab.) | €16.5m | €36.6m | €5.03m | 114.2 | 2025 |
| 9 | Forvis Mazars Group Business Support 1210 Saint-Josse-ten-Noode | €54.1m | €36.4m | 116,942 € | — | 2025 |
| 10 | Bluecrux 9320 Aalst | €28.4m | €34.9m | €13.4m | 80.9 | 2025 |
| 11 | Fortinet Belgium BV 1831 Machelen (Brab.) | €11.6m | €27.2m | €3.87m | 86.1 | 2025 |
| 12 | Remmicom 2235 Hulshout | €6.74m | €18.7m | €3.61m | 104.6 | 2025 |
| 13 | Actito 1348 Ottignies-Louvain-la-Neuve | €64.7m | €17.1m | €26.8m | 55.6 | 2025 |
| 14 | Support Services 9200 Dendermonde | €11.4m | €15.6m | 518,423 € | 18.4 | 2025 |
| 15 | Interligo 2550 Kontich | €17.4m | €14.5m | €13.5m | 29.9 | 2025 |
| 16 | Effortel Technologies 1170 Watermael-Boitsfort | €5.13m | €13.6m | €2.48m | — | 2025 |
| 17 | Domo ICT 9052 Ghent | €24.1m | €12.7m | €1.81m | 10.0 | 2024 |
| 18 | Darts-IP 2600 Antwerp | €25.8m | €9.88m | €2.36m | 4.8 | 2025 |
| 19 | Hewlett Packard Enterprise CDS Belgium 1831 Machelen (Brab.) | €9.09m | €8.16m | €6.64m | 54.5 | 2025 |
| 20 | I.R.I.S. Solutions & Experts 1435 Mont-Saint-Guibert | €3.51m | €6.94m | 465,841 € | 26.1 | 2025 |
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.
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Frequently asked questions
Which company in Other information technology and computer service activities has the highest revenue?
Mastercard Europe, with €9.63bn in revenue (financial year 2025).
How many Other information technology and computer service activities companies publish their revenue?
93 out of 1,539, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
Analyse companies in Other information technology and computer service activities
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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 12 Nov 2026.